Analysis of interatomic Contacts of Structural Units in PDB entry:
4KTR

Contacts of Structural Units (CSU) are derived with the CSU software (Sobolev V., Sorokine A., Prilusky J., Abola E.E. and Edelman M. (1999) Automated analysis of interatomic contacts in proteins. Bioinformatics, 15, 327-332).
This page provides analyses of contacts formed by:

chains
helices
sheets
residues

For analysis of ligand-protein contacts, use:

LPC software

3D structure can be seen in additional window with STING software for 4KTR entry

There are 8 chains in PDB entry 4KTR (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	MET 1	LEU 762
B	MET 1	ARG 761
C	MET 1	ARG 761
D	MET 1	ARG 761
E	MET 1	ARG 761
F	MET 1	ARG 761
G	MET 1	LEU 762
H	MET 1	ARG 761

There are203 helices in PDB entry 4KTR. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	22	24	Right-handed 310
Helix 2	2	A	25	33	Right-handed alpha
Helix 3	3	A	50	54	Right-handed 310
Helix 4	4	A	251	262	Right-handed alpha
Helix 5	5	A	265	285	Right-handed alpha
Helix 6	6	A	291	309	Right-handed alpha
Helix 7	7	A	325	330	Right-handed 310
Helix 8	8	A	333	338	Right-handed alpha
Helix 9	9	A	339	347	Right-handed alpha
Helix 10	10	A	347	361	Right-handed alpha
Helix 11	11	A	361	372	Right-handed alpha
Helix 12	12	A	415	432	Right-handed alpha
Helix 13	13	A	433	440	Right-handed alpha
Helix 14	14	A	440	456	Right-handed alpha
Helix 15	15	A	483	504	Right-handed alpha
Helix 16	16	A	505	517	Right-handed alpha
Helix 17	17	A	519	533	Right-handed alpha
Helix 18	18	A	549	553	Right-handed 310
Helix 19	19	A	558	566	Right-handed 310
Helix 20	20	A	590	598	Right-handed alpha
Helix 21	21	A	603	615	Right-handed alpha
Helix 22	22	A	616	618	Right-handed 310
Helix 23	23	A	624	636	Right-handed alpha
Helix 24	24	A	638	651	Right-handed alpha
Helix 25	25	A	671	684	Right-handed alpha
Helix 26	26	B	22	26	Right-handed 310
Helix 27	27	B	27	33	Right-handed alpha
Helix 28	28	B	50	54	Right-handed 310
Helix 29	29	B	251	262	Right-handed alpha
Helix 30	30	B	265	285	Right-handed alpha
Helix 31	31	B	291	308	Right-handed alpha
Helix 32	32	B	325	330	Right-handed 310
Helix 33	33	B	333	338	Right-handed alpha
Helix 34	34	B	339	347	Right-handed alpha
Helix 35	35	B	347	361	Right-handed alpha
Helix 36	36	B	361	372	Right-handed alpha
Helix 37	37	B	408	413	Right-handed alpha
Helix 38	38	B	415	432	Right-handed alpha
Helix 39	39	B	433	440	Right-handed alpha
Helix 40	40	B	440	456	Right-handed alpha
Helix 41	41	B	483	504	Right-handed alpha
Helix 42	42	B	505	517	Right-handed alpha
Helix 43	43	B	519	533	Right-handed alpha
Helix 44	44	B	549	553	Right-handed 310
Helix 45	45	B	558	566	Right-handed 310
Helix 46	46	B	590	598	Right-handed alpha
Helix 47	47	B	603	615	Right-handed alpha
Helix 48	48	B	616	618	Right-handed 310
Helix 49	49	B	624	636	Right-handed alpha
Helix 50	50	B	638	651	Right-handed alpha
Helix 51	51	B	671	684	Right-handed alpha
Helix 52	52	C	22	24	Right-handed 310
Helix 53	53	C	25	33	Right-handed alpha
Helix 54	54	C	50	54	Right-handed 310
Helix 55	55	C	251	262	Right-handed alpha
Helix 56	56	C	265	285	Right-handed alpha
Helix 57	57	C	291	309	Right-handed alpha
Helix 58	58	C	325	330	Right-handed 310
Helix 59	59	C	333	338	Right-handed alpha
Helix 60	60	C	339	347	Right-handed alpha
Helix 61	61	C	347	361	Right-handed alpha
Helix 62	62	C	361	372	Right-handed alpha
Helix 63	63	C	415	432	Right-handed alpha
Helix 64	64	C	433	440	Right-handed alpha
Helix 65	65	C	440	456	Right-handed alpha
Helix 66	66	C	483	504	Right-handed alpha
Helix 67	67	C	505	517	Right-handed alpha
Helix 68	68	C	519	533	Right-handed alpha
Helix 69	69	C	549	553	Right-handed 310
Helix 70	70	C	558	566	Right-handed 310
Helix 71	71	C	590	598	Right-handed alpha
Helix 72	72	C	603	615	Right-handed alpha
Helix 73	73	C	616	618	Right-handed 310
Helix 74	74	C	624	635	Right-handed alpha
Helix 75	75	C	638	651	Right-handed alpha
Helix 76	76	C	671	684	Right-handed alpha
Helix 77	77	D	22	24	Right-handed 310
Helix 78	78	D	25	33	Right-handed alpha
Helix 79	79	D	50	54	Right-handed 310
Helix 80	80	D	251	262	Right-handed alpha
Helix 81	81	D	265	285	Right-handed alpha
Helix 82	82	D	291	309	Right-handed alpha
Helix 83	83	D	325	330	Right-handed 310
Helix 84	84	D	333	338	Right-handed alpha
Helix 85	85	D	339	347	Right-handed alpha
Helix 86	86	D	347	361	Right-handed alpha
Helix 87	87	D	361	372	Right-handed alpha
Helix 88	88	D	415	432	Right-handed alpha
Helix 89	89	D	433	440	Right-handed alpha
Helix 90	90	D	440	456	Right-handed alpha
Helix 91	91	D	483	502	Right-handed alpha
Helix 92	92	D	505	517	Right-handed alpha
Helix 93	93	D	519	533	Right-handed alpha
Helix 94	94	D	549	553	Right-handed 310
Helix 95	95	D	558	566	Right-handed 310
Helix 96	96	D	590	598	Right-handed alpha
Helix 97	97	D	603	615	Right-handed alpha
Helix 98	98	D	616	618	Right-handed 310
Helix 99	99	D	624	635	Right-handed alpha
Helix 100	100	D	638	651	Right-handed alpha
Helix 101	101	D	671	684	Right-handed alpha
Helix 102	102	E	22	24	Right-handed 310
Helix 103	103	E	25	33	Right-handed alpha
Helix 104	104	E	50	54	Right-handed 310
Helix 105	105	E	251	263	Right-handed alpha
Helix 106	106	E	265	285	Right-handed alpha
Helix 107	107	E	291	309	Right-handed alpha
Helix 108	108	E	325	330	Right-handed 310
Helix 109	109	E	333	338	Right-handed alpha
Helix 110	110	E	339	347	Right-handed alpha
Helix 111	111	E	347	361	Right-handed alpha
Helix 112	112	E	361	372	Right-handed alpha
Helix 113	113	E	415	432	Right-handed alpha
Helix 114	114	E	433	440	Right-handed alpha
Helix 115	115	E	440	456	Right-handed alpha
Helix 116	116	E	460	463	Right-handed 310
Helix 117	117	E	483	504	Right-handed alpha
Helix 118	118	E	505	517	Right-handed alpha
Helix 119	119	E	519	533	Right-handed alpha
Helix 120	120	E	549	553	Right-handed 310
Helix 121	121	E	558	566	Right-handed 310
Helix 122	122	E	590	598	Right-handed alpha
Helix 123	123	E	603	615	Right-handed alpha
Helix 124	124	E	616	618	Right-handed 310
Helix 125	125	E	624	636	Right-handed alpha
Helix 126	126	E	638	651	Right-handed alpha
Helix 127	127	E	671	684	Right-handed alpha
Helix 128	128	F	22	26	Right-handed 310
Helix 129	129	F	27	33	Right-handed alpha
Helix 130	130	F	50	54	Right-handed 310
Helix 131	131	F	251	262	Right-handed alpha
Helix 132	132	F	265	285	Right-handed alpha
Helix 133	133	F	291	308	Right-handed alpha
Helix 134	134	F	325	330	Right-handed 310
Helix 135	135	F	333	338	Right-handed alpha
Helix 136	136	F	339	347	Right-handed alpha
Helix 137	137	F	347	361	Right-handed alpha
Helix 138	138	F	361	372	Right-handed alpha
Helix 139	139	F	415	432	Right-handed alpha
Helix 140	140	F	433	440	Right-handed alpha
Helix 141	141	F	440	456	Right-handed alpha
Helix 142	142	F	483	504	Right-handed alpha
Helix 143	143	F	505	517	Right-handed alpha
Helix 144	144	F	519	533	Right-handed alpha
Helix 145	145	F	549	553	Right-handed 310
Helix 146	146	F	558	566	Right-handed 310
Helix 147	147	F	590	598	Right-handed alpha
Helix 148	148	F	603	615	Right-handed alpha
Helix 149	149	F	616	618	Right-handed 310
Helix 150	150	F	624	636	Right-handed alpha
Helix 151	151	F	638	651	Right-handed alpha
Helix 152	152	F	671	684	Right-handed alpha
Helix 153	153	G	22	24	Right-handed 310
Helix 154	154	G	25	33	Right-handed alpha
Helix 155	155	G	50	54	Right-handed 310
Helix 156	156	G	251	263	Right-handed alpha
Helix 157	157	G	265	285	Right-handed alpha
Helix 158	158	G	291	309	Right-handed alpha
Helix 159	159	G	325	330	Right-handed 310
Helix 160	160	G	333	338	Right-handed alpha
Helix 161	161	G	339	347	Right-handed alpha
Helix 162	162	G	347	361	Right-handed alpha
Helix 163	163	G	361	372	Right-handed alpha
Helix 164	164	G	408	413	Right-handed alpha
Helix 165	165	G	415	432	Right-handed alpha
Helix 166	166	G	433	440	Right-handed alpha
Helix 167	167	G	440	456	Right-handed alpha
Helix 168	168	G	483	504	Right-handed alpha
Helix 169	169	G	505	516	Right-handed alpha
Helix 170	170	G	519	533	Right-handed alpha
Helix 171	171	G	549	553	Right-handed 310
Helix 172	172	G	558	566	Right-handed 310
Helix 173	173	G	590	598	Right-handed alpha
Helix 174	174	G	603	615	Right-handed alpha
Helix 175	175	G	624	635	Right-handed alpha
Helix 176	176	G	638	652	Right-handed alpha
Helix 177	177	G	671	684	Right-handed alpha
Helix 178	178	H	22	26	Right-handed 310
Helix 179	179	H	27	33	Right-handed alpha
Helix 180	180	H	50	54	Right-handed 310
Helix 181	181	H	251	262	Right-handed alpha
Helix 182	182	H	265	285	Right-handed alpha
Helix 183	183	H	291	309	Right-handed alpha
Helix 184	184	H	325	330	Right-handed 310
Helix 185	185	H	333	338	Right-handed alpha
Helix 186	186	H	339	347	Right-handed alpha
Helix 187	187	H	347	361	Right-handed alpha
Helix 188	188	H	361	372	Right-handed alpha
Helix 189	189	H	407	411	Right-handed 310
Helix 190	190	H	415	432	Right-handed alpha
Helix 191	191	H	433	440	Right-handed alpha
Helix 192	192	H	440	456	Right-handed alpha
Helix 193	193	H	483	504	Right-handed alpha
Helix 194	194	H	505	517	Right-handed alpha
Helix 195	195	H	519	533	Right-handed alpha
Helix 196	196	H	549	553	Right-handed 310
Helix 197	197	H	558	566	Right-handed 310
Helix 198	198	H	590	598	Right-handed alpha
Helix 199	199	H	603	615	Right-handed alpha
Helix 200	200	H	616	618	Right-handed 310
Helix 201	201	H	624	635	Right-handed alpha
Helix 202	202	H	638	651	Right-handed alpha
Helix 203	203	H	671	684	Right-handed alpha

There are 63 sheets in PDB entry 4KTR. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z, AA, AB, AC, AD, AE, AF, AG, AH, AI, AJ, AK, AL, AM, AN, AO, AP, AQ, AR, AS, AT, AU, AV, AW, AX, AY, AZ, BA, BB, BC, BD, BE, BF, BG, BH, BI, BJ, BK,

There are 10 strands in A sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	8	9	first strand
Strand 2	A	15	18	anti-parallel
Strand 3	A	99	105	anti-parallel
Strand 4	A	110	118	anti-parallel
Strand 5	A	124	133	anti-parallel
Strand 6	A	140	149	anti-parallel
Strand 7	A	235	245	anti-parallel
Strand 8	A	197	206	anti-parallel
Strand 9	A	184	191	anti-parallel
Strand 10	A	173	181	anti-parallel

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There are 3 strands in B sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	35	36	first strand
Strand 2	A	40	42	anti-parallel
Strand 3	A	57	59	anti-parallel

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There are 5 strands in C sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	89	90	first strand
Strand 2	A	82	86	anti-parallel
Strand 3	A	153	162	anti-parallel
Strand 4	A	220	229	anti-parallel
Strand 5	A	211	217	anti-parallel

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There are 5 strands in D sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	287	289	first strand
Strand 2	A	708	715	anti-parallel
Strand 3	A	718	725	anti-parallel
Strand 4	A	728	733	anti-parallel
Strand 5	A	756	760	anti-parallel

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There are 2 strands in E sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	457	459	first strand
Strand 2	A	464	466	anti-parallel

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There are 2 strands in F sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	661	662	first strand
Strand 2	A	665	666	anti-parallel

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There are 3 strands in G sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	690	692	first strand
Strand 2	A	695	698	anti-parallel
Strand 3	A	744	745	parallel

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There are 11 strands in H sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	3	5	first strand
Strand 2	B	8	9	anti-parallel
Strand 3	B	15	18	anti-parallel
Strand 4	B	99	105	anti-parallel
Strand 5	B	110	118	anti-parallel
Strand 6	B	124	133	anti-parallel
Strand 7	B	140	149	anti-parallel
Strand 8	B	235	245	anti-parallel
Strand 9	B	197	206	anti-parallel
Strand 10	B	184	191	anti-parallel
Strand 11	B	173	181	anti-parallel

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There are 4 strands in I sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	35	36	first strand
Strand 2	B	40	42	anti-parallel
Strand 3	B	57	64	anti-parallel
Strand 4	B	72	75	anti-parallel

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There are 5 strands in J sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	89	90	first strand
Strand 2	B	78	86	anti-parallel
Strand 3	B	153	162	anti-parallel
Strand 4	B	220	229	anti-parallel
Strand 5	B	211	217	anti-parallel

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There are 5 strands in K sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	287	289	first strand
Strand 2	B	708	715	anti-parallel
Strand 3	B	718	725	anti-parallel
Strand 4	B	728	733	anti-parallel
Strand 5	B	756	760	anti-parallel

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There are 2 strands in L sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	396	397	first strand
Strand 2	B	404	405	anti-parallel

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There are 2 strands in M sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	457	459	first strand
Strand 2	B	464	466	anti-parallel

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There are 2 strands in N sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	470	471	first strand
Strand 2	B	478	480	anti-parallel

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There are 2 strands in O sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	661	662	first strand
Strand 2	B	665	666	anti-parallel

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There are 4 strands in P sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	690	691	first strand
Strand 2	B	696	698	anti-parallel
Strand 3	B	741	745	parallel
Strand 4	B	748	752	anti-parallel

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There are 11 strands in Q sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	3	5	first strand
Strand 2	C	8	9	anti-parallel
Strand 3	C	15	18	anti-parallel
Strand 4	C	99	105	anti-parallel
Strand 5	C	110	118	anti-parallel
Strand 6	C	124	133	anti-parallel
Strand 7	C	140	149	anti-parallel
Strand 8	C	235	245	anti-parallel
Strand 9	C	197	206	anti-parallel
Strand 10	C	184	191	anti-parallel
Strand 11	C	173	181	anti-parallel

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There are 3 strands in R sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	35	36	first strand
Strand 2	C	40	42	anti-parallel
Strand 3	C	57	59	anti-parallel

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There are 5 strands in S sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	89	90	first strand
Strand 2	C	78	86	anti-parallel
Strand 3	C	153	162	anti-parallel
Strand 4	C	220	229	anti-parallel
Strand 5	C	211	217	anti-parallel

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There are 5 strands in T sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	287	289	first strand
Strand 2	C	708	715	anti-parallel
Strand 3	C	718	725	anti-parallel
Strand 4	C	728	733	anti-parallel
Strand 5	C	756	760	anti-parallel

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There are 2 strands in U sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	457	459	first strand
Strand 2	C	464	466	anti-parallel

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There are 2 strands in V sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	470	471	first strand
Strand 2	C	478	480	anti-parallel

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There are 2 strands in W sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	661	662	first strand
Strand 2	C	665	666	anti-parallel

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There are 4 strands in X sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	690	692	first strand
Strand 2	C	695	698	anti-parallel
Strand 3	C	741	745	parallel
Strand 4	C	748	752	anti-parallel

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There are 11 strands in Y sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	2	3	first strand
Strand 2	D	8	10	anti-parallel
Strand 3	D	15	18	anti-parallel
Strand 4	D	99	105	anti-parallel
Strand 5	D	110	118	anti-parallel
Strand 6	D	124	133	anti-parallel
Strand 7	D	140	149	anti-parallel
Strand 8	D	235	245	anti-parallel
Strand 9	D	197	206	anti-parallel
Strand 10	D	184	191	anti-parallel
Strand 11	D	173	181	anti-parallel

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There are 4 strands in Z sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	35	36	first strand
Strand 2	D	40	42	anti-parallel
Strand 3	D	57	64	anti-parallel
Strand 4	D	72	75	anti-parallel

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There are 5 strands in AA sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	89	90	first strand
Strand 2	D	82	86	anti-parallel
Strand 3	D	153	162	anti-parallel
Strand 4	D	220	229	anti-parallel
Strand 5	D	211	217	anti-parallel

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There are 5 strands in AB sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	287	289	first strand
Strand 2	D	708	715	anti-parallel
Strand 3	D	718	725	anti-parallel
Strand 4	D	728	733	anti-parallel
Strand 5	D	756	760	anti-parallel

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There are 2 strands in AC sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	396	397	first strand
Strand 2	D	404	405	anti-parallel

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There are 2 strands in AD sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	457	459	first strand
Strand 2	D	464	466	anti-parallel

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There are 2 strands in AE sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	661	662	first strand
Strand 2	D	665	666	anti-parallel

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There are 4 strands in AF sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	690	692	first strand
Strand 2	D	695	698	anti-parallel
Strand 3	D	743	745	parallel
Strand 4	D	748	750	anti-parallel

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There are 11 strands in AG sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	3	5	first strand
Strand 2	E	8	9	anti-parallel
Strand 3	E	15	18	anti-parallel
Strand 4	E	99	105	anti-parallel
Strand 5	E	110	118	anti-parallel
Strand 6	E	124	133	anti-parallel
Strand 7	E	140	147	anti-parallel
Strand 8	E	235	245	anti-parallel
Strand 9	E	197	203	anti-parallel
Strand 10	E	184	191	anti-parallel
Strand 11	E	173	181	anti-parallel

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There are 4 strands in AH sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	35	36	first strand
Strand 2	E	40	42	anti-parallel
Strand 3	E	57	64	anti-parallel
Strand 4	E	72	75	anti-parallel

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There are 5 strands in AI sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	89	90	first strand
Strand 2	E	82	86	anti-parallel
Strand 3	E	153	162	anti-parallel
Strand 4	E	220	229	anti-parallel
Strand 5	E	211	217	anti-parallel

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There are 5 strands in AJ sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	287	289	first strand
Strand 2	E	708	715	anti-parallel
Strand 3	E	718	725	anti-parallel
Strand 4	E	728	733	anti-parallel
Strand 5	E	758	760	anti-parallel

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There are 2 strands in AK sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	396	397	first strand
Strand 2	E	404	405	anti-parallel

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There are 2 strands in AL sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	457	459	first strand
Strand 2	E	464	466	anti-parallel

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There are 2 strands in AM sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	661	662	first strand
Strand 2	E	665	666	anti-parallel

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There are 3 strands in AN sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	690	691	first strand
Strand 2	E	696	698	anti-parallel
Strand 3	E	744	745	parallel

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There are 10 strands in AO sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	8	9	first strand
Strand 2	F	15	18	anti-parallel
Strand 3	F	100	105	anti-parallel
Strand 4	F	110	118	anti-parallel
Strand 5	F	124	133	anti-parallel
Strand 6	F	140	149	anti-parallel
Strand 7	F	235	245	anti-parallel
Strand 8	F	197	206	anti-parallel
Strand 9	F	184	191	anti-parallel
Strand 10	F	173	181	anti-parallel

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There are 3 strands in AP sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	35	36	first strand
Strand 2	F	40	42	anti-parallel
Strand 3	F	57	59	anti-parallel

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There are 5 strands in AQ sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	89	90	first strand
Strand 2	F	78	86	anti-parallel
Strand 3	F	153	162	anti-parallel
Strand 4	F	220	229	anti-parallel
Strand 5	F	211	217	anti-parallel

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There are 5 strands in AR sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	287	288	first strand
Strand 2	F	708	715	anti-parallel
Strand 3	F	718	725	anti-parallel
Strand 4	F	729	733	anti-parallel
Strand 5	F	758	759	anti-parallel

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There are 2 strands in AS sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	396	397	first strand
Strand 2	F	404	405	anti-parallel

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There are 2 strands in AT sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	457	459	first strand
Strand 2	F	464	466	anti-parallel

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There are 2 strands in AU sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	470	471	first strand
Strand 2	F	478	480	anti-parallel

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There are 2 strands in AV sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	661	662	first strand
Strand 2	F	665	666	anti-parallel

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There are 2 strands in AW sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	690	691	first strand
Strand 2	F	696	697	anti-parallel

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There are 11 strands in AX sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	3	5	first strand
Strand 2	G	8	9	anti-parallel
Strand 3	G	15	18	anti-parallel
Strand 4	G	99	105	anti-parallel
Strand 5	G	110	118	anti-parallel
Strand 6	G	124	133	anti-parallel
Strand 7	G	140	149	anti-parallel
Strand 8	G	235	245	anti-parallel
Strand 9	G	197	206	anti-parallel
Strand 10	G	184	191	anti-parallel
Strand 11	G	173	181	anti-parallel

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There are 3 strands in AY sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	35	36	first strand
Strand 2	G	40	42	anti-parallel
Strand 3	G	57	59	anti-parallel

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There are 5 strands in AZ sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	89	90	first strand
Strand 2	G	78	86	anti-parallel
Strand 3	G	153	162	anti-parallel
Strand 4	G	220	229	anti-parallel
Strand 5	G	214	217	anti-parallel

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There are 5 strands in BA sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	287	289	first strand
Strand 2	G	708	715	anti-parallel
Strand 3	G	718	725	anti-parallel
Strand 4	G	728	733	anti-parallel
Strand 5	G	756	760	anti-parallel

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There are 2 strands in BB sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	457	459	first strand
Strand 2	G	464	466	anti-parallel

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There are 2 strands in BC sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	661	662	first strand
Strand 2	G	665	666	anti-parallel

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There are 4 strands in BD sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	690	692	first strand
Strand 2	G	695	698	anti-parallel
Strand 3	G	741	745	parallel
Strand 4	G	749	752	anti-parallel

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There are 10 strands in BE sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	8	9	first strand
Strand 2	H	15	18	anti-parallel
Strand 3	H	100	105	anti-parallel
Strand 4	H	110	118	anti-parallel
Strand 5	H	124	133	anti-parallel
Strand 6	H	140	149	anti-parallel
Strand 7	H	235	245	anti-parallel
Strand 8	H	197	206	anti-parallel
Strand 9	H	184	191	anti-parallel
Strand 10	H	173	181	anti-parallel

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There are 3 strands in BF sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	35	36	first strand
Strand 2	H	40	42	anti-parallel
Strand 3	H	57	59	anti-parallel

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There are 5 strands in BG sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	89	90	first strand
Strand 2	H	82	86	anti-parallel
Strand 3	H	153	162	anti-parallel
Strand 4	H	220	229	anti-parallel
Strand 5	H	211	217	anti-parallel

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There are 5 strands in BH sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	287	289	first strand
Strand 2	H	708	715	anti-parallel
Strand 3	H	718	725	anti-parallel
Strand 4	H	729	734	anti-parallel
Strand 5	H	758	759	anti-parallel

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There are 2 strands in BI sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	457	458	first strand
Strand 2	H	465	466	anti-parallel

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There are 2 strands in BJ sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	661	662	first strand
Strand 2	H	665	666	anti-parallel

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There are 4 strands in BK sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	690	691	first strand
Strand 2	H	696	698	anti-parallel
Strand 3	H	743	745	parallel
Strand 4	H	748	750	anti-parallel

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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il

Analysis of interatomic Contacts of Structural Units in PDB entry: 4KTR

Analysis of interatomic Contacts of Structural Units in PDB entry:
4KTR