Analysis of interatomic Contacts of Structural Units in PDB entry:
4G4S

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 4G4S entry

There are 16 chains in PDB entry 4G4S (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	TYR 12	ASP 252
B	TYR 5	LEU 250
C	TYR 6	THR 245
D	SER 9	GLU 237
E	MET 1	ALA 249
F	MET 1	ILE 234
G	MET 1	GLU 246
H	THR 1	LEU 196
I	THR 1	ILE 220
J	ASP 3	ASP 205
K	MET 0	PHE 194
L	THR 1	GLY 212
M	GLN -9	ASP 212
N	THR -7	ILE 225
O	LEU 28	ILE 276
P	MET 1	ASN 267

There are102 helices in PDB entry 4G4S. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	25	35	Right-handed alpha
Helix 2	2	A	65	69	Right-handed 310
Helix 3	3	A	86	109	Right-handed alpha
Helix 4	4	A	113	129	Right-handed alpha
Helix 5	5	A	174	190	Right-handed alpha
Helix 6	6	A	198	215	Right-handed alpha
Helix 7	7	A	237	248	Right-handed alpha
Helix 8	8	B	18	31	Right-handed alpha
Helix 9	9	B	58	61	Right-handed 310
Helix 10	10	B	78	96	Right-handed alpha
Helix 11	11	B	97	102	Right-handed alpha
Helix 12	12	B	106	122	Right-handed alpha
Helix 13	13	B	167	179	Right-handed alpha
Helix 14	14	B	184	200	Right-handed alpha
Helix 15	15	B	218	222	Right-handed 310
Helix 16	16	B	239	249	Right-handed alpha
Helix 17	17	C	19	30	Right-handed alpha
Helix 18	18	C	80	103	Right-handed alpha
Helix 19	19	C	107	125	Right-handed alpha
Helix 20	20	C	168	179	Right-handed alpha
Helix 21	21	C	185	199	Right-handed alpha
Helix 22	22	C	207	209	Right-handed 310
Helix 23	23	C	231	241	Right-handed alpha
Helix 24	24	D	17	30	Right-handed alpha
Helix 25	25	D	78	101	Right-handed alpha
Helix 26	26	D	105	120	Right-handed alpha
Helix 27	27	D	167	179	Right-handed alpha
Helix 28	28	D	187	201	Right-handed alpha
Helix 29	29	D	225	237	Right-handed alpha
Helix 30	30	E	21	30	Right-handed alpha
Helix 31	31	E	31	34	Right-handed 310
Helix 32	32	E	60	64	Right-handed 310
Helix 33	33	E	84	104	Right-handed alpha
Helix 34	34	E	108	121	Right-handed alpha
Helix 35	35	E	122	124	Right-handed 310
Helix 36	36	E	175	187	Right-handed alpha
Helix 37	37	E	192	208	Right-handed alpha
Helix 38	38	E	232	245	Right-handed alpha
Helix 39	39	F	2	6	Right-handed 310
Helix 40	40	F	19	31	Right-handed alpha
Helix 41	41	F	78	100	Right-handed alpha
Helix 42	42	F	104	119	Right-handed alpha
Helix 43	43	F	165	180	Right-handed alpha
Helix 44	44	F	185	199	Right-handed alpha
Helix 45	45	F	226	234	Right-handed 310
Helix 46	46	G	21	33	Right-handed alpha
Helix 47	47	G	81	104	Right-handed alpha
Helix 48	48	G	108	123	Right-handed alpha
Helix 49	49	G	168	183	Right-handed alpha
Helix 50	50	G	188	204	Right-handed alpha
Helix 51	51	G	205	207	Right-handed 310
Helix 52	52	G	232	246	Right-handed alpha
Helix 53	53	H	48	71	Right-handed alpha
Helix 54	54	H	74	89	Right-handed alpha
Helix 55	55	H	90	93	Right-handed 310
Helix 56	56	H	128	133	Right-handed 310
Helix 57	57	H	134	142	Right-handed alpha
Helix 58	58	H	147	166	Right-handed alpha
Helix 59	59	H	189	194	Right-handed alpha
Helix 60	60	I	48	71	Right-handed alpha
Helix 61	61	I	75	90	Right-handed alpha
Helix 62	62	I	130	142	Right-handed alpha
Helix 63	63	I	147	166	Right-handed alpha
Helix 64	64	J	3	7	Right-handed 310
Helix 65	65	J	56	79	Right-handed alpha
Helix 66	66	J	83	97	Right-handed alpha
Helix 67	67	J	142	154	Right-handed alpha
Helix 68	68	J	159	176	Right-handed alpha
Helix 69	69	K	50	71	Right-handed alpha
Helix 70	70	K	75	92	Right-handed alpha
Helix 71	71	K	135	147	Right-handed alpha
Helix 72	72	K	152	171	Right-handed alpha
Helix 73	73	L	48	71	Right-handed alpha
Helix 74	74	L	75	90	Right-handed alpha
Helix 75	75	L	132	144	Right-handed alpha
Helix 76	76	L	149	168	Right-handed alpha
Helix 77	77	L	193	205	Right-handed alpha
Helix 78	78	M	47	69	Right-handed alpha
Helix 79	79	M	75	90	Right-handed alpha
Helix 80	80	M	132	145	Right-handed alpha
Helix 81	81	M	166	185	Right-handed alpha
Helix 82	82	N	49	68	Right-handed alpha
Helix 83	83	N	80	98	Right-handed alpha
Helix 84	84	N	136	149	Right-handed alpha
Helix 85	85	N	153	157	Right-handed 310
Helix 86	86	N	161	180	Right-handed alpha
Helix 87	87	N	211	217	Right-handed 310
Helix 88	88	O	56	61	Right-handed 310
Helix 89	89	O	143	160	Right-handed alpha
Helix 90	90	O	195	206	Right-handed alpha
Helix 91	91	O	231	247	Right-handed alpha
Helix 92	92	O	251	264	Right-handed alpha
Helix 93	93	O	267	272	Right-handed alpha
Helix 94	94	P	10	12	Right-handed 310
Helix 95	95	P	13	26	Right-handed alpha
Helix 96	96	P	91	93	Right-handed 310
Helix 97	97	P	94	109	Right-handed alpha
Helix 98	98	P	110	112	Right-handed 310
Helix 99	99	P	182	189	Right-handed alpha
Helix 100	100	P	219	229	Right-handed alpha
Helix 101	101	P	246	252	Right-handed 310
Helix 102	102	P	257	267	Right-handed alpha

There are 40 sheets in PDB entry 4G4S. 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,

There are 5 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	168	171	first strand
Strand 2	A	42	46	anti-parallel
Strand 3	A	51	56	anti-parallel
Strand 4	A	223	228	anti-parallel
Strand 5	A	233	235	anti-parallel

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There are 6 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	72	74	first strand
Strand 2	A	80	84	anti-parallel
Strand 3	A	140	147	anti-parallel
Strand 4	A	151	157	anti-parallel
Strand 5	A	163	166	anti-parallel
Strand 6	B	56	57	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	B	161	164	first strand
Strand 2	B	34	38	anti-parallel
Strand 3	B	43	48	anti-parallel
Strand 4	B	209	214	anti-parallel
Strand 5	B	235	237	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	B	65	68	first strand
Strand 2	B	71	77	anti-parallel
Strand 3	B	132	140	anti-parallel
Strand 4	B	144	150	anti-parallel
Strand 5	B	156	158	anti-parallel

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There are 6 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	224	225	first strand
Strand 2	I	184	191	parallel
Strand 3	I	173	179	anti-parallel
Strand 4	I	11	16	anti-parallel
Strand 5	I	3	8	anti-parallel
Strand 6	I	124	127	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	C	162	165	first strand
Strand 2	C	35	40	anti-parallel
Strand 3	C	43	49	anti-parallel
Strand 4	C	211	218	anti-parallel
Strand 5	C	225	229	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	C	66	68	first strand
Strand 2	C	73	79	anti-parallel
Strand 3	C	133	141	anti-parallel
Strand 4	C	145	151	anti-parallel
Strand 5	C	157	159	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	161	164	first strand
Strand 2	D	33	37	anti-parallel
Strand 3	D	42	47	anti-parallel
Strand 4	D	210	216	anti-parallel
Strand 5	D	220	223	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	64	68	first strand
Strand 2	D	71	77	anti-parallel
Strand 3	D	131	137	anti-parallel
Strand 4	D	146	150	anti-parallel
Strand 5	D	156	158	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	E	169	172	first strand
Strand 2	E	37	42	anti-parallel
Strand 3	E	45	51	anti-parallel
Strand 4	E	217	223	anti-parallel
Strand 5	E	227	230	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	E	67	71	first strand
Strand 2	E	74	80	anti-parallel
Strand 3	E	140	148	anti-parallel
Strand 4	E	152	159	anti-parallel
Strand 5	E	163	166	anti-parallel

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There are 5 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	158	161	first strand
Strand 2	F	35	39	anti-parallel
Strand 3	F	43	49	anti-parallel
Strand 4	F	211	217	anti-parallel
Strand 5	F	220	225	anti-parallel

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There are 5 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	63	67	first strand
Strand 2	F	70	77	anti-parallel
Strand 3	F	130	138	anti-parallel
Strand 4	F	141	147	anti-parallel
Strand 5	F	153	155	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	63	67	first strand
Strand 2	F	70	77	anti-parallel
Strand 3	O	275	276	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	162	165	first strand
Strand 2	G	37	41	anti-parallel
Strand 3	G	45	54	anti-parallel
Strand 4	G	211	220	anti-parallel
Strand 5	G	228	230	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	68	70	first strand
Strand 2	G	74	80	anti-parallel
Strand 3	G	134	142	anti-parallel
Strand 4	G	145	151	anti-parallel
Strand 5	G	157	159	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	124	127	first strand
Strand 2	H	3	8	anti-parallel
Strand 3	H	11	16	anti-parallel
Strand 4	H	173	179	anti-parallel
Strand 5	H	182	188	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	H	20	22	first strand
Strand 2	H	25	28	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	H	34	38	first strand
Strand 2	H	41	47	anti-parallel
Strand 3	H	95	103	anti-parallel
Strand 4	H	107	113	anti-parallel
Strand 5	H	120	121	anti-parallel

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

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There are 5 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	34	38	first strand
Strand 2	I	41	47	anti-parallel
Strand 3	I	96	104	anti-parallel
Strand 4	I	107	113	anti-parallel
Strand 5	I	119	121	anti-parallel

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There are 6 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	212	218	first strand
Strand 2	J	195	200	anti-parallel
Strand 3	J	185	190	anti-parallel
Strand 4	J	20	26	anti-parallel
Strand 5	J	11	17	anti-parallel
Strand 6	J	136	140	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	J	29	31	first strand
Strand 2	J	34	37	anti-parallel

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There are 5 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	43	46	first strand
Strand 2	J	49	55	anti-parallel
Strand 3	J	105	112	anti-parallel
Strand 4	J	119	124	anti-parallel
Strand 5	J	130	131	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	K	129	132	first strand
Strand 2	K	3	7	anti-parallel
Strand 3	K	11	17	anti-parallel
Strand 4	K	178	184	anti-parallel
Strand 5	K	187	190	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	K	34	38	first strand
Strand 2	K	41	47	anti-parallel
Strand 3	K	99	107	anti-parallel
Strand 4	K	112	118	anti-parallel
Strand 5	K	124	126	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	L	126	129	first strand
Strand 2	L	3	8	anti-parallel
Strand 3	L	11	16	anti-parallel
Strand 4	L	174	181	anti-parallel
Strand 5	L	184	192	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	L	20	22	first strand
Strand 2	L	25	28	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	L	34	38	first strand
Strand 2	L	41	44	anti-parallel
Strand 3	L	98	103	anti-parallel
Strand 4	L	111	116	anti-parallel
Strand 5	L	121	123	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	M	126	130	first strand
Strand 2	M	1	6	anti-parallel
Strand 3	M	11	16	anti-parallel
Strand 4	M	191	198	anti-parallel
Strand 5	M	201	208	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	M	19	21	first strand
Strand 2	M	24	27	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	M	34	35	first strand
Strand 2	M	41	46	anti-parallel
Strand 3	M	97	104	anti-parallel
Strand 4	M	110	115	anti-parallel
Strand 5	M	121	124	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	N	25	28	first strand
Strand 2	N	20	22	anti-parallel
Strand 3	N	-2	0	anti-parallel
Strand 4	N	41	48	anti-parallel
Strand 5	N	34	37	anti-parallel

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There are 7 strands in AI sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	N	25	28	first strand
Strand 2	N	20	22	anti-parallel
Strand 3	N	-2	0	anti-parallel
Strand 4	N	41	48	anti-parallel
Strand 5	N	104	111	anti-parallel
Strand 6	N	117	123	anti-parallel
Strand 7	N	128	129	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	N	133	135	first strand
Strand 2	N	3	8	anti-parallel
Strand 3	N	11	17	anti-parallel
Strand 4	N	186	193	anti-parallel
Strand 5	N	197	205	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	O	35	37	first strand
Strand 2	O	74	76	anti-parallel

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There are 7 strands in AL sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	O	69	71	first strand
Strand 2	O	124	126	anti-parallel
Strand 3	O	130	135	anti-parallel
Strand 4	O	49	54	parallel
Strand 5	O	164	171	parallel
Strand 6	O	214	220	parallel
Strand 7	O	178	181	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	P	30	35	first strand
Strand 2	P	70	75	anti-parallel
Strand 3	P	80	85	anti-parallel
Strand 4	P	3	7	parallel
Strand 5	P	114	118	parallel
Strand 6	P	205	206	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	P	45	46	first strand
Strand 2	P	67	68	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: 4G4S

Analysis of interatomic Contacts of Structural Units in PDB entry:
4G4S