Analysis of interatomic Contacts of Structural Units in PDB entry:
4D1I

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 4D1I entry

There are 8 chains in PDB entry 4D1I (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	ALA 37	GLN 575
B	ALA 37	GLN 575
C	ALA 37	GLN 575
D	ALA 37	GLN 575
E	ALA 37	GLN 575
F	ALA 37	GLN 575
G	ALA 36	GLN 575
H	ALA 37	GLN 575

There are160 helices in PDB entry 4D1I. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	71	77	Right-handed 310
Helix 2	2	A	78	86	Right-handed alpha
Helix 3	3	A	96	100	Right-handed alpha
Helix 4	4	A	108	121	Right-handed alpha
Helix 5	5	A	142	147	Right-handed alpha
Helix 6	6	A	170	192	Right-handed alpha
Helix 7	7	A	216	225	Right-handed alpha
Helix 8	8	A	228	235	Right-handed alpha
Helix 9	9	A	241	247	Right-handed alpha
Helix 10	10	A	249	274	Right-handed alpha
Helix 11	11	A	302	304	Right-handed 310
Helix 12	12	A	305	313	Right-handed alpha
Helix 13	13	A	327	339	Right-handed alpha
Helix 14	14	A	353	358	Right-handed 310
Helix 15	15	A	359	366	Right-handed alpha
Helix 16	16	A	392	407	Right-handed alpha
Helix 17	17	A	409	420	Right-handed alpha
Helix 18	18	A	433	442	Right-handed alpha
Helix 19	19	A	444	459	Right-handed alpha
Helix 20	20	A	549	554	Right-handed alpha
Helix 21	21	B	71	77	Right-handed 310
Helix 22	22	B	78	86	Right-handed alpha
Helix 23	23	B	96	100	Right-handed alpha
Helix 24	24	B	108	122	Right-handed alpha
Helix 25	25	B	142	147	Right-handed alpha
Helix 26	26	B	170	192	Right-handed alpha
Helix 27	27	B	216	225	Right-handed alpha
Helix 28	28	B	228	236	Right-handed alpha
Helix 29	29	B	241	247	Right-handed alpha
Helix 30	30	B	249	274	Right-handed alpha
Helix 31	31	B	302	304	Right-handed 310
Helix 32	32	B	305	313	Right-handed alpha
Helix 33	33	B	327	339	Right-handed alpha
Helix 34	34	B	353	358	Right-handed 310
Helix 35	35	B	359	366	Right-handed alpha
Helix 36	36	B	392	407	Right-handed alpha
Helix 37	37	B	409	420	Right-handed alpha
Helix 38	38	B	433	441	Right-handed alpha
Helix 39	39	B	444	459	Right-handed alpha
Helix 40	40	B	549	554	Right-handed alpha
Helix 41	41	C	71	77	Right-handed 310
Helix 42	42	C	78	86	Right-handed alpha
Helix 43	43	C	96	100	Right-handed alpha
Helix 44	44	C	108	122	Right-handed alpha
Helix 45	45	C	142	147	Right-handed alpha
Helix 46	46	C	170	192	Right-handed alpha
Helix 47	47	C	216	225	Right-handed alpha
Helix 48	48	C	228	235	Right-handed alpha
Helix 49	49	C	241	247	Right-handed alpha
Helix 50	50	C	249	274	Right-handed alpha
Helix 51	51	C	302	304	Right-handed 310
Helix 52	52	C	305	313	Right-handed alpha
Helix 53	53	C	327	339	Right-handed alpha
Helix 54	54	C	353	358	Right-handed 310
Helix 55	55	C	359	366	Right-handed alpha
Helix 56	56	C	392	407	Right-handed alpha
Helix 57	57	C	409	420	Right-handed alpha
Helix 58	58	C	433	442	Right-handed alpha
Helix 59	59	C	444	459	Right-handed alpha
Helix 60	60	C	549	554	Right-handed alpha
Helix 61	61	D	71	77	Right-handed 310
Helix 62	62	D	78	86	Right-handed alpha
Helix 63	63	D	96	100	Right-handed alpha
Helix 64	64	D	108	121	Right-handed alpha
Helix 65	65	D	142	147	Right-handed alpha
Helix 66	66	D	170	192	Right-handed alpha
Helix 67	67	D	216	225	Right-handed alpha
Helix 68	68	D	228	236	Right-handed alpha
Helix 69	69	D	241	247	Right-handed alpha
Helix 70	70	D	249	274	Right-handed alpha
Helix 71	71	D	302	304	Right-handed 310
Helix 72	72	D	305	313	Right-handed alpha
Helix 73	73	D	327	339	Right-handed alpha
Helix 74	74	D	353	358	Right-handed 310
Helix 75	75	D	359	366	Right-handed alpha
Helix 76	76	D	392	407	Right-handed alpha
Helix 77	77	D	409	420	Right-handed alpha
Helix 78	78	D	433	442	Right-handed alpha
Helix 79	79	D	444	459	Right-handed alpha
Helix 80	80	D	549	554	Right-handed alpha
Helix 81	81	E	71	77	Right-handed 310
Helix 82	82	E	78	86	Right-handed alpha
Helix 83	83	E	96	100	Right-handed alpha
Helix 84	84	E	108	122	Right-handed alpha
Helix 85	85	E	142	147	Right-handed alpha
Helix 86	86	E	170	192	Right-handed alpha
Helix 87	87	E	216	225	Right-handed alpha
Helix 88	88	E	228	235	Right-handed alpha
Helix 89	89	E	241	247	Right-handed alpha
Helix 90	90	E	249	274	Right-handed alpha
Helix 91	91	E	302	304	Right-handed 310
Helix 92	92	E	305	313	Right-handed alpha
Helix 93	93	E	327	339	Right-handed alpha
Helix 94	94	E	353	358	Right-handed 310
Helix 95	95	E	359	366	Right-handed alpha
Helix 96	96	E	392	407	Right-handed alpha
Helix 97	97	E	409	420	Right-handed alpha
Helix 98	98	E	433	442	Right-handed alpha
Helix 99	99	E	444	459	Right-handed alpha
Helix 100	100	E	549	554	Right-handed alpha
Helix 101	101	F	71	77	Right-handed 310
Helix 102	102	F	78	86	Right-handed alpha
Helix 103	103	F	96	100	Right-handed alpha
Helix 104	104	F	108	121	Right-handed alpha
Helix 105	105	F	142	147	Right-handed alpha
Helix 106	106	F	170	192	Right-handed alpha
Helix 107	107	F	216	225	Right-handed alpha
Helix 108	108	F	228	235	Right-handed alpha
Helix 109	109	F	241	247	Right-handed alpha
Helix 110	110	F	249	274	Right-handed alpha
Helix 111	111	F	302	304	Right-handed 310
Helix 112	112	F	305	313	Right-handed alpha
Helix 113	113	F	327	339	Right-handed alpha
Helix 114	114	F	353	358	Right-handed 310
Helix 115	115	F	359	366	Right-handed alpha
Helix 116	116	F	392	407	Right-handed alpha
Helix 117	117	F	409	420	Right-handed alpha
Helix 118	118	F	433	442	Right-handed alpha
Helix 119	119	F	446	459	Right-handed alpha
Helix 120	120	F	549	554	Right-handed alpha
Helix 121	121	G	71	77	Right-handed 310
Helix 122	122	G	78	86	Right-handed alpha
Helix 123	123	G	96	100	Right-handed alpha
Helix 124	124	G	108	122	Right-handed alpha
Helix 125	125	G	142	147	Right-handed alpha
Helix 126	126	G	170	192	Right-handed alpha
Helix 127	127	G	216	225	Right-handed alpha
Helix 128	128	G	228	235	Right-handed alpha
Helix 129	129	G	241	247	Right-handed alpha
Helix 130	130	G	249	274	Right-handed alpha
Helix 131	131	G	302	304	Right-handed 310
Helix 132	132	G	305	313	Right-handed alpha
Helix 133	133	G	327	339	Right-handed alpha
Helix 134	134	G	353	358	Right-handed 310
Helix 135	135	G	359	366	Right-handed alpha
Helix 136	136	G	392	407	Right-handed alpha
Helix 137	137	G	409	420	Right-handed alpha
Helix 138	138	G	433	441	Right-handed alpha
Helix 139	139	G	446	459	Right-handed alpha
Helix 140	140	G	549	554	Right-handed alpha
Helix 141	141	H	71	77	Right-handed 310
Helix 142	142	H	78	86	Right-handed alpha
Helix 143	143	H	96	100	Right-handed alpha
Helix 144	144	H	108	122	Right-handed alpha
Helix 145	145	H	142	147	Right-handed alpha
Helix 146	146	H	170	192	Right-handed alpha
Helix 147	147	H	216	225	Right-handed alpha
Helix 148	148	H	228	236	Right-handed alpha
Helix 149	149	H	241	247	Right-handed alpha
Helix 150	150	H	249	274	Right-handed alpha
Helix 151	151	H	302	304	Right-handed 310
Helix 152	152	H	305	313	Right-handed alpha
Helix 153	153	H	327	339	Right-handed alpha
Helix 154	154	H	353	358	Right-handed 310
Helix 155	155	H	359	366	Right-handed alpha
Helix 156	156	H	392	407	Right-handed alpha
Helix 157	157	H	409	420	Right-handed alpha
Helix 158	158	H	433	443	Right-handed alpha
Helix 159	159	H	445	459	Right-handed alpha
Helix 160	160	H	549	554	Right-handed alpha

There are 40 sheets in PDB entry 4D1I. Click on sheet of interest to get list of strands forming it: AA, AB, AC, AD, AE, BA, BB, BC, BD, BE, CA, CB, CC, CD, CE, A, DB, C, DD, DE, EA, EB, EC, ED, EE, FA, FB, FC, FD, FE, GA, GB, GC, GD, GE, HA, HB, HC, HD, HE,

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	41	45	first strand
Strand 2	A	48	53	anti-parallel
Strand 3	A	56	58	anti-parallel

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There are 9 strands in AB sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	60	64	first strand
Strand 2	A	370	373	parallel
Strand 3	A	346	350	parallel
Strand 4	A	318	323	parallel
Strand 5	A	278	283	parallel
Strand 6	A	197	204	parallel
Strand 7	A	124	134	parallel
Strand 8	A	89	95	parallel
Strand 9	A	60	64	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	A	154	156	first strand
Strand 2	A	162	166	anti-parallel

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There are 6 strands in AD sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	422	426	first strand
Strand 2	A	493	500	anti-parallel
Strand 3	A	503	509	anti-parallel
Strand 4	A	565	573	anti-parallel
Strand 5	A	524	537	anti-parallel
Strand 6	A	540	547	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	460	464	first strand
Strand 2	A	468	473	anti-parallel
Strand 3	A	511	517	anti-parallel
Strand 4	A	556	558	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	41	45	first strand
Strand 2	B	48	53	anti-parallel
Strand 3	B	56	58	anti-parallel

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There are 9 strands in BB sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	60	64	first strand
Strand 2	B	370	373	parallel
Strand 3	B	346	350	parallel
Strand 4	B	318	323	parallel
Strand 5	B	278	283	parallel
Strand 6	B	197	204	parallel
Strand 7	B	124	134	parallel
Strand 8	B	89	95	parallel
Strand 9	B	60	64	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	B	154	156	first strand
Strand 2	B	162	166	anti-parallel

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There are 6 strands in BD sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	422	426	first strand
Strand 2	B	493	500	anti-parallel
Strand 3	B	503	509	anti-parallel
Strand 4	B	565	572	anti-parallel
Strand 5	B	525	537	anti-parallel
Strand 6	B	540	547	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	460	464	first strand
Strand 2	B	468	473	anti-parallel
Strand 3	B	511	517	anti-parallel
Strand 4	B	556	558	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	41	45	first strand
Strand 2	C	48	53	anti-parallel
Strand 3	C	56	58	anti-parallel

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There are 9 strands in CB sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	60	64	first strand
Strand 2	C	370	373	parallel
Strand 3	C	346	350	parallel
Strand 4	C	318	323	parallel
Strand 5	C	278	283	parallel
Strand 6	C	197	204	parallel
Strand 7	C	124	134	parallel
Strand 8	C	89	95	parallel
Strand 9	C	60	64	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	154	156	first strand
Strand 2	C	162	166	anti-parallel

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There are 6 strands in CD sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	422	426	first strand
Strand 2	C	493	500	anti-parallel
Strand 3	C	503	509	anti-parallel
Strand 4	C	565	573	anti-parallel
Strand 5	C	524	537	anti-parallel
Strand 6	C	540	547	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	460	464	first strand
Strand 2	C	468	473	anti-parallel
Strand 3	C	511	517	anti-parallel
Strand 4	C	556	558	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	41	45	first strand
Strand 2	D	48	53	anti-parallel
Strand 3	D	56	58	anti-parallel

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There are 9 strands in DB sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	60	64	first strand
Strand 2	D	370	373	parallel
Strand 3	D	346	350	parallel
Strand 4	D	318	323	parallel
Strand 5	D	278	283	parallel
Strand 6	D	197	204	parallel
Strand 7	D	124	134	parallel
Strand 8	D	89	95	parallel
Strand 9	D	60	64	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	154	156	first strand
Strand 2	D	162	166	anti-parallel

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There are 6 strands in DD sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	422	426	first strand
Strand 2	D	493	500	anti-parallel
Strand 3	D	503	509	anti-parallel
Strand 4	D	565	572	anti-parallel
Strand 5	D	525	537	anti-parallel
Strand 6	D	540	547	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	460	464	first strand
Strand 2	D	468	473	anti-parallel
Strand 3	D	511	517	anti-parallel
Strand 4	D	556	558	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	41	45	first strand
Strand 2	E	48	53	anti-parallel
Strand 3	E	56	58	anti-parallel

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There are 9 strands in EB sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	60	64	first strand
Strand 2	E	370	373	parallel
Strand 3	E	346	350	parallel
Strand 4	E	318	323	parallel
Strand 5	E	278	283	parallel
Strand 6	E	197	204	parallel
Strand 7	E	124	134	parallel
Strand 8	E	89	95	parallel
Strand 9	E	60	64	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	154	156	first strand
Strand 2	E	162	166	anti-parallel

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There are 6 strands in ED sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	422	426	first strand
Strand 2	E	493	500	anti-parallel
Strand 3	E	503	509	anti-parallel
Strand 4	E	565	572	anti-parallel
Strand 5	E	525	537	anti-parallel
Strand 6	E	540	547	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	460	464	first strand
Strand 2	E	468	473	anti-parallel
Strand 3	E	511	517	anti-parallel
Strand 4	E	556	558	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	41	45	first strand
Strand 2	F	48	53	anti-parallel
Strand 3	F	56	58	anti-parallel

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There are 9 strands in FB sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	60	64	first strand
Strand 2	F	370	373	parallel
Strand 3	F	346	350	parallel
Strand 4	F	318	323	parallel
Strand 5	F	278	283	parallel
Strand 6	F	197	204	parallel
Strand 7	F	124	134	parallel
Strand 8	F	89	95	parallel
Strand 9	F	60	64	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	154	156	first strand
Strand 2	F	162	166	anti-parallel

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There are 6 strands in FD sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	422	426	first strand
Strand 2	F	493	500	anti-parallel
Strand 3	F	503	509	anti-parallel
Strand 4	F	565	572	anti-parallel
Strand 5	F	525	537	anti-parallel
Strand 6	F	540	547	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	460	464	first strand
Strand 2	F	468	473	anti-parallel
Strand 3	F	511	517	anti-parallel
Strand 4	F	556	558	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	41	45	first strand
Strand 2	G	48	53	anti-parallel
Strand 3	G	56	58	anti-parallel

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There are 9 strands in GB sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	60	64	first strand
Strand 2	G	370	373	parallel
Strand 3	G	346	350	parallel
Strand 4	G	318	323	parallel
Strand 5	G	278	283	parallel
Strand 6	G	197	204	parallel
Strand 7	G	124	134	parallel
Strand 8	G	89	95	parallel
Strand 9	G	60	64	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	154	156	first strand
Strand 2	G	162	166	anti-parallel

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There are 6 strands in GD sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	422	426	first strand
Strand 2	G	493	500	anti-parallel
Strand 3	G	503	509	anti-parallel
Strand 4	G	565	572	anti-parallel
Strand 5	G	525	537	anti-parallel
Strand 6	G	540	547	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	460	464	first strand
Strand 2	G	468	473	anti-parallel
Strand 3	G	511	517	anti-parallel
Strand 4	G	556	558	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	41	45	first strand
Strand 2	H	48	53	anti-parallel
Strand 3	H	56	58	anti-parallel

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There are 9 strands in HB sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	60	64	first strand
Strand 2	H	370	373	parallel
Strand 3	H	346	350	parallel
Strand 4	H	318	323	parallel
Strand 5	H	278	283	parallel
Strand 6	H	197	204	parallel
Strand 7	H	124	134	parallel
Strand 8	H	89	95	parallel
Strand 9	H	60	64	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	154	156	first strand
Strand 2	H	162	166	anti-parallel

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There are 6 strands in HD sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	422	426	first strand
Strand 2	H	493	500	anti-parallel
Strand 3	H	503	509	anti-parallel
Strand 4	H	565	573	anti-parallel
Strand 5	H	524	537	anti-parallel
Strand 6	H	540	547	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	460	464	first strand
Strand 2	H	468	473	anti-parallel
Strand 3	H	511	517	anti-parallel
Strand 4	H	556	558	anti-parallel

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Analysis of interatomic Contacts of Structural Units in PDB entry: 4D1I

Analysis of interatomic Contacts of Structural Units in PDB entry:
4D1I