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

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 4GAM entry

There are 5 chains in PDB entry 4GAM (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
B	SER 2	LYS 389
A	ALA 15	PHE 526
C	LYS 3	SER 168
D	SER 2	ASP 133
G	SER 2	ASN 32

There are249 helices in PDB entry 4GAM. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	B	13	24	Right-handed alpha
Helix 2	2	B	47	54	Right-handed alpha
Helix 3	3	B	84	88	Right-handed 310
Helix 4	4	B	105	131	Right-handed alpha
Helix 5	5	B	132	136	Right-handed 310
Helix 6	6	B	137	143	Right-handed alpha
Helix 7	7	B	151	162	Right-handed alpha
Helix 8	8	B	165	170	Right-handed alpha
Helix 9	9	B	172	204	Right-handed alpha
Helix 10	10	B	211	220	Right-handed alpha
Helix 11	11	B	224	237	Right-handed alpha
Helix 12	12	B	240	250	Right-handed alpha
Helix 13	13	B	255	263	Right-handed alpha
Helix 14	14	B	264	269	Right-handed alpha
Helix 15	15	B	270	273	Right-handed 310
Helix 16	16	B	275	301	Right-handed alpha
Helix 17	17	B	309	336	Right-handed alpha
Helix 18	18	B	337	339	Right-handed 310
Helix 19	19	B	348	367	Right-handed alpha
Helix 20	20	B	368	371	Right-handed 310
Helix 21	21	B	376	386	Right-handed alpha
Helix 22	22	A	24	29	Right-handed alpha
Helix 23	23	A	30	36	Right-handed 310
Helix 24	24	A	63	84	Right-handed alpha
Helix 25	25	A	84	89	Right-handed alpha
Helix 26	26	A	96	128	Right-handed alpha
Helix 27	27	A	130	162	Right-handed alpha
Helix 28	28	A	174	178	Right-handed 310
Helix 29	29	A	179	188	Right-handed alpha
Helix 30	30	A	189	194	Right-handed alpha
Helix 31	31	A	199	204	Right-handed alpha
Helix 32	32	A	207	212	Right-handed alpha
Helix 33	33	A	212	227	Right-handed alpha
Helix 34	34	A	231	241	Right-handed alpha
Helix 35	35	A	244	259	Right-handed alpha
Helix 36	36	A	266	292	Right-handed alpha
Helix 37	37	A	300	309	Right-handed alpha
Helix 38	38	A	311	317	Right-handed alpha
Helix 39	39	A	331	353	Right-handed alpha
Helix 40	40	A	354	357	Right-handed 310
Helix 41	41	A	365	376	Right-handed alpha
Helix 42	42	A	378	383	Right-handed alpha
Helix 43	43	A	383	394	Right-handed alpha
Helix 44	44	A	403	411	Right-handed alpha
Helix 45	45	A	450	460	Right-handed alpha
Helix 46	46	A	468	473	Right-handed alpha
Helix 47	47	A	477	485	Right-handed alpha
Helix 48	48	A	508	514	Right-handed alpha
Helix 49	49	A	521	526	Right-handed 310
Helix 50	50	C	9	20	Right-handed alpha
Helix 51	51	C	24	40	Right-handed alpha
Helix 52	52	C	52	70	Right-handed alpha
Helix 53	53	C	75	80	Right-handed alpha
Helix 54	54	C	86	100	Right-handed alpha
Helix 55	55	C	103	119	Right-handed alpha
Helix 56	56	C	124	144	Right-handed alpha
Helix 57	57	C	151	160	Right-handed alpha
Helix 58	58	D	17	26	Right-handed alpha
Helix 59	59	D	27	31	Right-handed 310
Helix 60	60	D	45	55	Right-handed alpha
Helix 61	61	D	58	64	Right-handed alpha
Helix 62	62	D	89	97	Right-handed alpha
Helix 63	63	D	101	106	Right-handed alpha
Helix 64	64	G	13	24	Right-handed alpha
Helix 65	65	G	47	52	Right-handed alpha
Helix 66	66	G	84	88	Right-handed 310
Helix 67	67	G	105	131	Right-handed alpha
Helix 68	68	G	132	136	Right-handed 310
Helix 69	69	G	137	143	Right-handed alpha
Helix 70	70	G	151	162	Right-handed alpha
Helix 71	71	G	165	170	Right-handed alpha
Helix 72	72	G	172	204	Right-handed alpha
Helix 73	73	G	211	220	Right-handed alpha
Helix 74	74	G	224	237	Right-handed alpha
Helix 75	75	G	240	250	Right-handed alpha
Helix 76	76	G	251	263	Right-handed alpha
Helix 77	77	G	264	269	Right-handed alpha
Helix 78	78	G	270	273	Right-handed 310
Helix 79	79	G	276	300	Right-handed alpha
Helix 80	80	G	309	336	Right-handed alpha
Helix 81	81	G	337	339	Right-handed 310
Helix 82	82	G	348	367	Right-handed alpha
Helix 83	83	G	368	372	Right-handed 310
Helix 84	84	G	376	386	Right-handed alpha
Helix 85	85	F	24	29	Right-handed alpha
Helix 86	86	F	30	36	Right-handed 310
Helix 87	87	F	63	82	Right-handed alpha
Helix 88	88	F	84	89	Right-handed alpha
Helix 89	89	F	96	127	Right-handed alpha
Helix 90	90	F	130	162	Right-handed alpha
Helix 91	91	F	170	175	Right-handed alpha
Helix 92	92	F	178	188	Right-handed alpha
Helix 93	93	F	189	194	Right-handed alpha
Helix 94	94	F	199	204	Right-handed alpha
Helix 95	95	F	207	212	Right-handed alpha
Helix 96	96	F	212	218	Right-handed alpha
Helix 97	97	F	218	227	Right-handed alpha
Helix 98	98	F	230	240	Right-handed alpha
Helix 99	99	F	242	258	Right-handed alpha
Helix 100	100	F	260	265	Right-handed alpha
Helix 101	101	F	266	293	Right-handed alpha
Helix 102	102	F	300	309	Right-handed alpha
Helix 103	103	F	312	317	Right-handed alpha
Helix 104	104	F	331	353	Right-handed alpha
Helix 105	105	F	365	376	Right-handed alpha
Helix 106	106	F	378	394	Right-handed alpha
Helix 107	107	F	403	411	Right-handed alpha
Helix 108	108	F	450	460	Right-handed alpha
Helix 109	109	F	468	473	Right-handed alpha
Helix 110	110	F	477	485	Right-handed alpha
Helix 111	111	F	508	513	Right-handed alpha
Helix 112	112	F	521	526	Right-handed 310
Helix 113	113	H	9	20	Right-handed alpha
Helix 114	114	H	24	40	Right-handed alpha
Helix 115	115	H	52	72	Right-handed alpha
Helix 116	116	H	73	80	Right-handed alpha
Helix 117	117	H	86	99	Right-handed alpha
Helix 118	118	H	103	119	Right-handed alpha
Helix 119	119	H	124	144	Right-handed alpha
Helix 120	120	H	151	160	Right-handed alpha
Helix 121	121	I	17	25	Right-handed alpha
Helix 122	122	I	45	55	Right-handed alpha
Helix 123	123	I	59	64	Right-handed alpha
Helix 124	124	I	89	97	Right-handed alpha
Helix 125	125	I	101	106	Right-handed alpha
Helix 126	126	L	13	24	Right-handed alpha
Helix 127	127	L	47	54	Right-handed alpha
Helix 128	128	L	84	88	Right-handed 310
Helix 129	129	L	94	98	Right-handed 310
Helix 130	130	L	105	131	Right-handed alpha
Helix 131	131	L	132	136	Right-handed 310
Helix 132	132	L	137	142	Right-handed alpha
Helix 133	133	L	151	162	Right-handed alpha
Helix 134	134	L	163	170	Right-handed alpha
Helix 135	135	L	172	204	Right-handed alpha
Helix 136	136	L	211	220	Right-handed alpha
Helix 137	137	L	224	237	Right-handed alpha
Helix 138	138	L	240	251	Right-handed alpha
Helix 139	139	L	255	264	Right-handed alpha
Helix 140	140	L	264	269	Right-handed alpha
Helix 141	141	L	270	273	Right-handed 310
Helix 142	142	L	275	300	Right-handed alpha
Helix 143	143	L	309	335	Right-handed alpha
Helix 144	144	L	336	339	Right-handed 310
Helix 145	145	L	348	367	Right-handed alpha
Helix 146	146	L	368	372	Right-handed 310
Helix 147	147	L	376	386	Right-handed alpha
Helix 148	148	K	24	29	Right-handed alpha
Helix 149	149	K	31	36	Right-handed 310
Helix 150	150	K	63	82	Right-handed alpha
Helix 151	151	K	84	90	Right-handed alpha
Helix 152	152	K	96	128	Right-handed alpha
Helix 153	153	K	130	161	Right-handed alpha
Helix 154	154	K	170	175	Right-handed alpha
Helix 155	155	K	178	188	Right-handed alpha
Helix 156	156	K	189	194	Right-handed alpha
Helix 157	157	K	199	204	Right-handed alpha
Helix 158	158	K	212	217	Right-handed alpha
Helix 159	159	K	219	227	Right-handed alpha
Helix 160	160	K	230	243	Right-handed alpha
Helix 161	161	K	244	259	Right-handed alpha
Helix 162	162	K	263	265	Right-handed 310
Helix 163	163	K	266	291	Right-handed alpha
Helix 164	164	K	300	309	Right-handed alpha
Helix 165	165	K	310	317	Right-handed alpha
Helix 166	166	K	331	353	Right-handed alpha
Helix 167	167	K	354	357	Right-handed 310
Helix 168	168	K	365	376	Right-handed alpha
Helix 169	169	K	378	394	Right-handed alpha
Helix 170	170	K	405	411	Right-handed alpha
Helix 171	171	K	450	460	Right-handed alpha
Helix 172	172	K	468	474	Right-handed alpha
Helix 173	173	K	477	485	Right-handed alpha
Helix 174	174	K	508	514	Right-handed alpha
Helix 175	175	K	521	526	Right-handed 310
Helix 176	176	M	9	22	Right-handed alpha
Helix 177	177	M	24	39	Right-handed alpha
Helix 178	178	M	52	72	Right-handed alpha
Helix 179	179	M	75	80	Right-handed alpha
Helix 180	180	M	86	101	Right-handed alpha
Helix 181	181	M	103	119	Right-handed alpha
Helix 182	182	M	124	144	Right-handed alpha
Helix 183	183	M	151	160	Right-handed alpha
Helix 184	184	N	16	25	Right-handed alpha
Helix 185	185	N	45	55	Right-handed alpha
Helix 186	186	N	58	64	Right-handed alpha
Helix 187	187	N	89	97	Right-handed alpha
Helix 188	188	N	101	107	Right-handed alpha
Helix 189	189	Q	13	23	Right-handed alpha
Helix 190	190	Q	47	54	Right-handed alpha
Helix 191	191	Q	84	88	Right-handed 310
Helix 192	192	Q	105	131	Right-handed alpha
Helix 193	193	Q	137	143	Right-handed alpha
Helix 194	194	Q	143	162	Right-handed alpha
Helix 195	195	Q	163	170	Right-handed alpha
Helix 196	196	Q	172	204	Right-handed alpha
Helix 197	197	Q	211	220	Right-handed alpha
Helix 198	198	Q	225	236	Right-handed alpha
Helix 199	199	Q	240	250	Right-handed alpha
Helix 200	200	Q	256	261	Right-handed alpha
Helix 201	201	Q	264	269	Right-handed alpha
Helix 202	202	Q	270	273	Right-handed 310
Helix 203	203	Q	276	300	Right-handed alpha
Helix 204	204	Q	309	334	Right-handed alpha
Helix 205	205	Q	335	339	Right-handed 310
Helix 206	206	Q	348	367	Right-handed alpha
Helix 207	207	Q	376	386	Right-handed alpha
Helix 208	208	Q	387	389	Right-handed 310
Helix 209	209	P	24	29	Right-handed alpha
Helix 210	210	P	30	32	Right-handed 310
Helix 211	211	P	63	83	Right-handed alpha
Helix 212	212	P	84	89	Right-handed alpha
Helix 213	213	P	96	128	Right-handed alpha
Helix 214	214	P	130	161	Right-handed alpha
Helix 215	215	P	165	170	Right-handed alpha
Helix 216	216	P	170	175	Right-handed alpha
Helix 217	217	P	178	188	Right-handed alpha
Helix 218	218	P	189	194	Right-handed alpha
Helix 219	219	P	199	204	Right-handed alpha
Helix 220	220	P	212	218	Right-handed alpha
Helix 221	221	P	219	227	Right-handed alpha
Helix 222	222	P	230	252	Right-handed alpha
Helix 223	223	P	254	259	Right-handed alpha
Helix 224	224	P	260	292	Right-handed alpha
Helix 225	225	P	300	309	Right-handed alpha
Helix 226	226	P	311	317	Right-handed alpha
Helix 227	227	P	331	353	Right-handed alpha
Helix 228	228	P	354	357	Right-handed 310
Helix 229	229	P	365	376	Right-handed alpha
Helix 230	230	P	383	394	Right-handed alpha
Helix 231	231	P	405	411	Right-handed alpha
Helix 232	232	P	450	460	Right-handed alpha
Helix 233	233	P	468	473	Right-handed alpha
Helix 234	234	P	478	483	Right-handed alpha
Helix 235	235	P	509	514	Right-handed alpha
Helix 236	236	P	521	526	Right-handed 310
Helix 237	237	R	9	22	Right-handed alpha
Helix 238	238	R	24	40	Right-handed alpha
Helix 239	239	R	53	72	Right-handed alpha
Helix 240	240	R	74	79	Right-handed alpha
Helix 241	241	R	86	99	Right-handed alpha
Helix 242	242	R	103	119	Right-handed alpha
Helix 243	243	R	124	144	Right-handed alpha
Helix 244	244	R	151	160	Right-handed alpha
Helix 245	245	S	17	25	Right-handed alpha
Helix 246	246	S	45	55	Right-handed alpha
Helix 247	247	S	59	64	Right-handed alpha
Helix 248	248	S	89	96	Right-handed alpha
Helix 249	249	S	101	106	Right-handed alpha

There are 16 sheets in PDB entry 4GAM. 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,

There are 2 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	416	417	first strand
Strand 2	A	424	425	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	445	448	first strand
Strand 2	A	437	440	anti-parallel
Strand 3	C	162	166	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	D	69	72	first strand
Strand 2	D	76	82	anti-parallel
Strand 3	D	37	43	anti-parallel
Strand 4	D	109	113	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	D	84	88	first strand
Strand 2	D	122	126	anti-parallel
Strand 3	D	115	118	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	F	416	417	first strand
Strand 2	F	424	425	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	444	448	first strand
Strand 2	F	437	441	anti-parallel
Strand 3	H	162	166	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	69	72	first strand
Strand 2	I	76	82	anti-parallel
Strand 3	I	37	43	anti-parallel
Strand 4	I	109	113	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	84	88	first strand
Strand 2	I	122	126	anti-parallel
Strand 3	I	115	119	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	K	416	417	first strand
Strand 2	K	424	425	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	K	437	441	first strand
Strand 2	K	444	448	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	N	69	72	first strand
Strand 2	N	76	82	anti-parallel
Strand 3	N	37	43	anti-parallel
Strand 4	N	109	113	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	N	84	88	first strand
Strand 2	N	122	126	anti-parallel
Strand 3	N	115	118	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	P	416	417	first strand
Strand 2	P	424	425	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	P	444	446	first strand
Strand 2	P	437	441	anti-parallel
Strand 3	R	162	166	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	S	69	72	first strand
Strand 2	S	76	82	anti-parallel
Strand 3	S	37	43	anti-parallel
Strand 4	S	109	113	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	S	84	88	first strand
Strand 2	S	122	126	anti-parallel
Strand 3	S	115	118	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: 4GAM

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