Analysis of interatomic Contacts of Structural Units in PDB entry:
1HT2

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 1HT2 entry

There are 12 chains in PDB entry 1HT2 (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	THR 1	LYS 174
B	THR 1	LYS 174
E	HIS 1	LEU 443
F	HIS 1	LEU 443
C	THR 1	LYS 174
D	THR 1	LYS 174
I	THR 1	LYS 174
J	THR 1	LYS 174
G	HIS 1	LEU 443
H	HIS 1	LEU 443
K	THR 1	LYS 174
L	THR 1	LYS 174

There are136 helices in PDB entry 1HT2. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	49	65	Right-handed alpha
Helix 2	2	A	70	85	Right-handed alpha
Helix 3	3	A	87	91	Right-handed 310
Helix 4	4	A	125	138	Right-handed alpha
Helix 5	5	A	143	159	Right-handed alpha
Helix 6	6	B	49	66	Right-handed alpha
Helix 7	7	B	70	85	Right-handed alpha
Helix 8	8	B	87	91	Right-handed 310
Helix 9	9	B	125	140	Right-handed alpha
Helix 10	10	B	143	159	Right-handed alpha
Helix 11	11	E	5	14	Right-handed alpha
Helix 12	12	E	20	39	Right-handed alpha
Helix 13	13	E	43	48	Right-handed alpha
Helix 14	14	E	62	72	Right-handed alpha
Helix 15	15	E	84	87	Right-handed 310
Helix 16	16	E	88	93	Right-handed alpha
Helix 17	17	E	97	112	Right-handed alpha
Helix 18	18	E	114	119	Right-handed alpha
Helix 19	19	E	121	126	Right-handed alpha
Helix 20	20	E	126	133	Right-handed alpha
Helix 21	21	E	154	162	Right-handed alpha
Helix 22	22	E	217	232	Right-handed alpha
Helix 23	23	E	235	251	Right-handed alpha
Helix 24	24	E	257	262	Right-handed 310
Helix 25	25	E	268	287	Right-handed alpha
Helix 26	26	E	314	318	Right-handed 310
Helix 27	27	E	319	326	Right-handed alpha
Helix 28	28	E	336	346	Right-handed alpha
Helix 29	29	E	350	362	Right-handed alpha
Helix 30	30	E	369	387	Right-handed alpha
Helix 31	31	E	392	410	Right-handed alpha
Helix 32	32	E	411	414	Right-handed 310
Helix 33	33	E	421	430	Right-handed alpha
Helix 34	34	E	429	435	Right-handed alpha
Helix 35	35	E	435	443	Right-handed alpha
Helix 36	36	F	5	14	Right-handed alpha
Helix 37	37	F	20	39	Right-handed alpha
Helix 38	38	F	41	48	Right-handed alpha
Helix 39	39	F	62	74	Right-handed alpha
Helix 40	40	F	84	87	Right-handed 310
Helix 41	41	F	97	106	Right-handed alpha
Helix 42	42	F	112	116	Right-handed 310
Helix 43	43	F	128	136	Right-handed alpha
Helix 44	44	F	154	162	Right-handed alpha
Helix 45	45	F	222	229	Right-handed alpha
Helix 46	46	F	238	251	Right-handed alpha
Helix 47	47	F	257	262	Right-handed 310
Helix 48	48	F	268	287	Right-handed alpha
Helix 49	49	F	314	318	Right-handed 310
Helix 50	50	F	319	326	Right-handed alpha
Helix 51	51	F	336	346	Right-handed alpha
Helix 52	52	F	350	361	Right-handed alpha
Helix 53	53	F	369	387	Right-handed alpha
Helix 54	54	F	392	410	Right-handed alpha
Helix 55	55	F	411	414	Right-handed 310
Helix 56	56	F	421	430	Right-handed alpha
Helix 57	57	F	429	435	Right-handed alpha
Helix 58	58	F	435	443	Right-handed alpha
Helix 59	59	C	49	67	Right-handed alpha
Helix 60	60	C	70	85	Right-handed alpha
Helix 61	61	C	85	91	Right-handed alpha
Helix 62	62	C	125	138	Right-handed alpha
Helix 63	63	C	143	159	Right-handed alpha
Helix 64	64	D	51	66	Right-handed alpha
Helix 65	65	D	70	85	Right-handed alpha
Helix 66	66	D	87	91	Right-handed 310
Helix 67	67	D	125	140	Right-handed alpha
Helix 68	68	D	143	159	Right-handed alpha
Helix 69	69	I	49	66	Right-handed alpha
Helix 70	70	I	70	85	Right-handed alpha
Helix 71	71	I	87	91	Right-handed 310
Helix 72	72	I	125	138	Right-handed alpha
Helix 73	73	I	143	159	Right-handed alpha
Helix 74	74	J	49	65	Right-handed alpha
Helix 75	75	J	70	85	Right-handed alpha
Helix 76	76	J	85	90	Right-handed alpha
Helix 77	77	J	125	140	Right-handed alpha
Helix 78	78	J	143	159	Right-handed alpha
Helix 79	79	G	5	15	Right-handed alpha
Helix 80	80	G	20	39	Right-handed alpha
Helix 81	81	G	43	48	Right-handed alpha
Helix 82	82	G	62	74	Right-handed alpha
Helix 83	83	G	84	91	Right-handed 310
Helix 84	84	G	97	112	Right-handed alpha
Helix 85	85	G	114	119	Right-handed alpha
Helix 86	86	G	127	133	Right-handed alpha
Helix 87	87	G	154	163	Right-handed alpha
Helix 88	88	G	217	232	Right-handed alpha
Helix 89	89	G	235	251	Right-handed alpha
Helix 90	90	G	257	262	Right-handed 310
Helix 91	91	G	268	287	Right-handed alpha
Helix 92	92	G	314	318	Right-handed 310
Helix 93	93	G	319	326	Right-handed alpha
Helix 94	94	G	336	346	Right-handed alpha
Helix 95	95	G	350	361	Right-handed alpha
Helix 96	96	G	369	387	Right-handed alpha
Helix 97	97	G	392	410	Right-handed alpha
Helix 98	98	G	411	414	Right-handed 310
Helix 99	99	G	421	430	Right-handed alpha
Helix 100	100	G	429	435	Right-handed alpha
Helix 101	101	G	435	443	Right-handed alpha
Helix 102	102	H	5	14	Right-handed alpha
Helix 103	103	H	20	39	Right-handed alpha
Helix 104	104	H	41	48	Right-handed alpha
Helix 105	105	H	62	74	Right-handed alpha
Helix 106	106	H	84	87	Right-handed 310
Helix 107	107	H	96	106	Right-handed alpha
Helix 108	108	H	107	112	Right-handed alpha
Helix 109	109	H	113	116	Right-handed 310
Helix 110	110	H	117	121	Right-handed 310
Helix 111	111	H	128	136	Right-handed alpha
Helix 112	112	H	154	162	Right-handed alpha
Helix 113	113	H	217	222	Right-handed alpha
Helix 114	114	H	222	227	Right-handed alpha
Helix 115	115	H	238	251	Right-handed alpha
Helix 116	116	H	257	262	Right-handed 310
Helix 117	117	H	268	287	Right-handed alpha
Helix 118	118	H	314	318	Right-handed 310
Helix 119	119	H	319	325	Right-handed alpha
Helix 120	120	H	336	346	Right-handed alpha
Helix 121	121	H	350	362	Right-handed alpha
Helix 122	122	H	369	387	Right-handed alpha
Helix 123	123	H	392	410	Right-handed alpha
Helix 124	124	H	411	413	Right-handed 310
Helix 125	125	H	421	435	Right-handed alpha
Helix 126	126	H	435	440	Right-handed alpha
Helix 127	127	K	51	67	Right-handed alpha
Helix 128	128	K	70	85	Right-handed alpha
Helix 129	129	K	85	90	Right-handed alpha
Helix 130	130	K	125	138	Right-handed alpha
Helix 131	131	K	143	159	Right-handed alpha
Helix 132	132	L	49	67	Right-handed alpha
Helix 133	133	L	70	85	Right-handed alpha
Helix 134	134	L	87	91	Right-handed 310
Helix 135	135	L	125	140	Right-handed alpha
Helix 136	136	L	143	159	Right-handed alpha

There are 38 sheets in PDB entry 1HT2. 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,

There are 4 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	120	122	first strand
Strand 2	A	3	8	anti-parallel
Strand 3	A	11	16	anti-parallel
Strand 4	A	167	172	anti-parallel

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There are 2 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	20	22	first strand
Strand 2	A	25	28	anti-parallel

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There are 4 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	34	37	first strand
Strand 2	A	42	48	anti-parallel
Strand 3	A	93	98	anti-parallel
Strand 4	A	103	107	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	12	16	first strand
Strand 2	B	3	7	anti-parallel
Strand 3	B	120	122	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	B	20	22	first strand
Strand 2	B	25	28	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	34	37	first strand
Strand 2	B	42	48	anti-parallel
Strand 3	B	93	98	anti-parallel
Strand 4	B	103	107	anti-parallel
Strand 5	B	112	113	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	78	82	first strand
Strand 2	E	252	256	parallel
Strand 3	E	303	308	parallel
Strand 4	E	53	56	parallel
Strand 5	E	328	331	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	289	292	first strand
Strand 2	E	295	298	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	365	368	first strand
Strand 2	E	417	420	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	F	78	82	first strand
Strand 2	F	252	256	parallel
Strand 3	F	303	308	parallel
Strand 4	F	53	56	parallel
Strand 5	F	328	331	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	171	172	first strand
Strand 2	F	215	216	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	F	289	292	first strand
Strand 2	F	295	298	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	F	364	368	first strand
Strand 2	F	416	420	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	120	122	first strand
Strand 2	C	3	5	anti-parallel
Strand 3	C	11	16	anti-parallel
Strand 4	C	167	172	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	C	20	22	first strand
Strand 2	C	25	28	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	C	34	37	first strand
Strand 2	C	42	48	anti-parallel
Strand 3	C	93	98	anti-parallel
Strand 4	C	104	106	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	12	16	first strand
Strand 2	D	3	7	anti-parallel
Strand 3	D	120	122	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	20	22	first strand
Strand 2	D	25	28	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	34	37	first strand
Strand 2	D	42	45	anti-parallel
Strand 3	D	96	98	anti-parallel
Strand 4	D	104	105	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	120	122	first strand
Strand 2	I	3	5	anti-parallel
Strand 3	I	11	16	anti-parallel
Strand 4	I	167	172	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	I	20	22	first strand
Strand 2	I	25	28	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	34	37	first strand
Strand 2	I	42	48	anti-parallel
Strand 3	I	93	98	anti-parallel
Strand 4	I	103	107	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	J	120	122	first strand
Strand 2	J	3	8	anti-parallel
Strand 3	J	11	16	anti-parallel
Strand 4	J	167	169	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	J	20	22	first strand
Strand 2	J	25	28	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	J	34	37	first strand
Strand 2	J	42	48	anti-parallel
Strand 3	J	93	98	anti-parallel
Strand 4	J	103	107	anti-parallel
Strand 5	J	112	113	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	78	82	first strand
Strand 2	G	252	256	parallel
Strand 3	G	303	308	parallel
Strand 4	G	53	56	parallel
Strand 5	G	328	331	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	289	292	first strand
Strand 2	G	295	298	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	365	368	first strand
Strand 2	G	417	420	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	78	82	first strand
Strand 2	H	252	256	parallel
Strand 3	H	303	308	parallel
Strand 4	H	53	56	parallel
Strand 5	H	328	331	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	H	171	172	first strand
Strand 2	H	215	216	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	H	289	292	first strand
Strand 2	H	295	298	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	365	368	first strand
Strand 2	H	417	420	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	K	120	122	first strand
Strand 2	K	3	8	anti-parallel
Strand 3	K	11	16	anti-parallel
Strand 4	K	167	169	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	K	20	22	first strand
Strand 2	K	25	28	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	K	34	37	first strand
Strand 2	K	42	45	anti-parallel
Strand 3	K	95	98	anti-parallel
Strand 4	K	104	106	anti-parallel
Strand 5	K	112	113	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	L	120	122	first strand
Strand 2	L	3	5	anti-parallel
Strand 3	L	15	16	anti-parallel
Strand 4	L	167	168	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	L	20	22	first strand
Strand 2	L	25	28	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	L	34	37	first strand
Strand 2	L	42	48	anti-parallel
Strand 3	L	93	98	anti-parallel
Strand 4	L	104	106	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: 1HT2

Analysis of interatomic Contacts of Structural Units in PDB entry:
1HT2