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

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 4CQM entry

There are 7 chains in PDB entry 4CQM (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	GLN 6	MET 261
B	HIS -3	LEU 237
C	LYS 3	LEU 237
D	SER 3	SER 155
D	ILE 157	MET 261
E	SER 3	MET 261
F	HIS -3	VAL 175

There are182 helices in PDB entry 4CQM. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	21	33	Right-handed alpha
Helix 2	2	A	44	53	Right-handed alpha
Helix 3	3	A	78	94	Right-handed alpha
Helix 4	4	A	111	115	Right-handed 310
Helix 5	5	A	116	128	Right-handed alpha
Helix 6	6	A	128	144	Right-handed alpha
Helix 7	7	A	157	162	Right-handed alpha
Helix 8	8	A	166	188	Right-handed alpha
Helix 9	9	A	206	210	Right-handed 310
Helix 10	10	A	211	222	Right-handed alpha
Helix 11	11	A	229	242	Right-handed alpha
Helix 12	12	A	243	246	Right-handed 310
Helix 13	13	B	13	24	Right-handed alpha
Helix 14	14	B	35	46	Right-handed alpha
Helix 15	15	B	59	70	Right-handed alpha
Helix 16	16	B	96	108	Right-handed alpha
Helix 17	17	B	108	125	Right-handed alpha
Helix 18	18	B	135	139	Right-handed 310
Helix 19	19	B	145	166	Right-handed alpha
Helix 20	20	B	167	169	Right-handed 310
Helix 21	21	B	205	219	Right-handed alpha
Helix 22	22	B	232	236	Right-handed 310
Helix 23	23	C	12	26	Right-handed alpha
Helix 24	24	C	35	45	Right-handed alpha
Helix 25	25	C	59	74	Right-handed alpha
Helix 26	26	C	91	95	Right-handed 310
Helix 27	27	C	96	107	Right-handed alpha
Helix 28	28	C	108	118	Right-handed alpha
Helix 29	29	C	119	124	Right-handed alpha
Helix 30	30	C	136	141	Right-handed alpha
Helix 31	31	C	145	167	Right-handed alpha
Helix 32	32	C	190	196	Right-handed alpha
Helix 33	33	C	205	219	Right-handed alpha
Helix 34	34	C	232	236	Right-handed 310
Helix 35	35	D	21	33	Right-handed alpha
Helix 36	36	D	44	54	Right-handed alpha
Helix 37	37	D	78	93	Right-handed alpha
Helix 38	38	D	111	115	Right-handed 310
Helix 39	39	D	116	128	Right-handed alpha
Helix 40	40	D	128	146	Right-handed alpha
Helix 41	41	D	157	162	Right-handed alpha
Helix 42	42	D	166	187	Right-handed alpha
Helix 43	43	D	211	222	Right-handed alpha
Helix 44	44	D	229	242	Right-handed alpha
Helix 45	45	D	243	246	Right-handed 310
Helix 46	46	E	21	33	Right-handed alpha
Helix 47	47	E	44	55	Right-handed alpha
Helix 48	48	E	78	94	Right-handed alpha
Helix 49	49	E	116	128	Right-handed alpha
Helix 50	50	E	128	146	Right-handed alpha
Helix 51	51	E	157	162	Right-handed alpha
Helix 52	52	E	166	188	Right-handed alpha
Helix 53	53	E	206	210	Right-handed 310
Helix 54	54	E	211	222	Right-handed alpha
Helix 55	55	E	229	242	Right-handed alpha
Helix 56	56	E	243	246	Right-handed 310
Helix 57	57	F	12	25	Right-handed alpha
Helix 58	58	F	35	47	Right-handed alpha
Helix 59	59	F	59	74	Right-handed alpha
Helix 60	60	F	91	95	Right-handed 310
Helix 61	61	F	96	108	Right-handed alpha
Helix 62	62	F	108	126	Right-handed alpha
Helix 63	63	F	135	140	Right-handed alpha
Helix 64	64	F	145	167	Right-handed alpha
Helix 65	65	F	184	188	Right-handed 310
Helix 66	66	F	190	195	Right-handed alpha
Helix 67	67	F	205	219	Right-handed alpha
Helix 68	68	F	232	236	Right-handed 310
Helix 69	69	G	13	25	Right-handed alpha
Helix 70	70	G	35	41	Right-handed alpha
Helix 71	71	G	42	45	Right-handed 310
Helix 72	72	G	59	74	Right-handed alpha
Helix 73	73	G	96	107	Right-handed alpha
Helix 74	74	G	108	119	Right-handed alpha
Helix 75	75	G	120	125	Right-handed alpha
Helix 76	76	G	135	139	Right-handed 310
Helix 77	77	G	145	167	Right-handed alpha
Helix 78	78	G	193	198	Right-handed alpha
Helix 79	79	G	205	219	Right-handed alpha
Helix 80	80	G	232	236	Right-handed 310
Helix 81	81	H	21	33	Right-handed alpha
Helix 82	82	H	44	55	Right-handed alpha
Helix 83	83	H	78	94	Right-handed alpha
Helix 84	84	H	116	128	Right-handed alpha
Helix 85	85	H	128	145	Right-handed alpha
Helix 86	86	H	157	162	Right-handed alpha
Helix 87	87	H	166	187	Right-handed alpha
Helix 88	88	H	188	190	Right-handed 310
Helix 89	89	H	204	209	Right-handed alpha
Helix 90	90	H	211	222	Right-handed alpha
Helix 91	91	H	229	242	Right-handed alpha
Helix 92	92	I	21	34	Right-handed alpha
Helix 93	93	I	44	54	Right-handed alpha
Helix 94	94	I	78	94	Right-handed alpha
Helix 95	95	I	111	115	Right-handed 310
Helix 96	96	I	116	128	Right-handed alpha
Helix 97	97	I	128	144	Right-handed alpha
Helix 98	98	I	157	162	Right-handed alpha
Helix 99	99	I	166	187	Right-handed alpha
Helix 100	100	I	188	190	Right-handed 310
Helix 101	101	I	206	210	Right-handed 310
Helix 102	102	I	211	220	Right-handed alpha
Helix 103	103	I	229	242	Right-handed alpha
Helix 104	104	I	243	246	Right-handed 310
Helix 105	105	J	13	25	Right-handed alpha
Helix 106	106	J	35	45	Right-handed alpha
Helix 107	107	J	59	75	Right-handed alpha
Helix 108	108	J	91	95	Right-handed 310
Helix 109	109	J	96	108	Right-handed alpha
Helix 110	110	J	108	124	Right-handed alpha
Helix 111	111	J	136	141	Right-handed alpha
Helix 112	112	J	145	167	Right-handed alpha
Helix 113	113	J	190	196	Right-handed alpha
Helix 114	114	J	205	218	Right-handed alpha
Helix 115	115	J	232	236	Right-handed 310
Helix 116	116	K	12	26	Right-handed alpha
Helix 117	117	K	35	45	Right-handed alpha
Helix 118	118	K	59	74	Right-handed alpha
Helix 119	119	K	96	108	Right-handed alpha
Helix 120	120	K	108	118	Right-handed alpha
Helix 121	121	K	118	125	Right-handed alpha
Helix 122	122	K	136	141	Right-handed alpha
Helix 123	123	K	145	167	Right-handed alpha
Helix 124	124	K	191	196	Right-handed alpha
Helix 125	125	K	205	219	Right-handed alpha
Helix 126	126	K	232	236	Right-handed 310
Helix 127	127	L	21	33	Right-handed alpha
Helix 128	128	L	44	55	Right-handed alpha
Helix 129	129	L	78	93	Right-handed alpha
Helix 130	130	L	111	115	Right-handed 310
Helix 131	131	L	116	128	Right-handed alpha
Helix 132	132	L	128	145	Right-handed alpha
Helix 133	133	L	157	162	Right-handed alpha
Helix 134	134	L	166	187	Right-handed alpha
Helix 135	135	L	188	190	Right-handed 310
Helix 136	136	L	211	222	Right-handed alpha
Helix 137	137	L	229	242	Right-handed alpha
Helix 138	138	L	243	246	Right-handed 310
Helix 139	139	M	21	34	Right-handed alpha
Helix 140	140	M	44	55	Right-handed alpha
Helix 141	141	M	78	94	Right-handed alpha
Helix 142	142	M	111	115	Right-handed 310
Helix 143	143	M	116	128	Right-handed alpha
Helix 144	144	M	128	146	Right-handed alpha
Helix 145	145	M	157	162	Right-handed alpha
Helix 146	146	M	166	188	Right-handed alpha
Helix 147	147	M	206	210	Right-handed 310
Helix 148	148	M	211	222	Right-handed alpha
Helix 149	149	M	229	242	Right-handed alpha
Helix 150	150	M	243	246	Right-handed 310
Helix 151	151	N	12	25	Right-handed alpha
Helix 152	152	N	35	45	Right-handed alpha
Helix 153	153	N	59	71	Right-handed alpha
Helix 154	154	N	96	108	Right-handed alpha
Helix 155	155	N	108	126	Right-handed alpha
Helix 156	156	N	136	141	Right-handed alpha
Helix 157	157	N	145	167	Right-handed alpha
Helix 158	158	N	193	198	Right-handed 310
Helix 159	159	N	205	219	Right-handed alpha
Helix 160	160	N	232	236	Right-handed 310
Helix 161	161	O	12	24	Right-handed alpha
Helix 162	162	O	35	44	Right-handed alpha
Helix 163	163	O	59	74	Right-handed alpha
Helix 164	164	O	91	95	Right-handed 310
Helix 165	165	O	96	107	Right-handed alpha
Helix 166	166	O	108	126	Right-handed alpha
Helix 167	167	O	136	141	Right-handed alpha
Helix 168	168	O	145	167	Right-handed alpha
Helix 169	169	O	190	196	Right-handed alpha
Helix 170	170	O	205	218	Right-handed alpha
Helix 171	171	O	232	236	Right-handed 310
Helix 172	172	P	21	34	Right-handed alpha
Helix 173	173	P	44	54	Right-handed alpha
Helix 174	174	P	78	94	Right-handed alpha
Helix 175	175	P	111	115	Right-handed 310
Helix 176	176	P	116	146	Right-handed alpha
Helix 177	177	P	157	162	Right-handed alpha
Helix 178	178	P	166	187	Right-handed alpha
Helix 179	179	P	188	190	Right-handed 310
Helix 180	180	P	206	210	Right-handed 310
Helix 181	181	P	211	222	Right-handed alpha
Helix 182	182	P	229	242	Right-handed alpha

There are 16 sheets in PDB entry 4CQM. Click on sheet of interest to get list of strands forming it: AA, BA, CA, A, EA, FA, GA, HA, IA, JA, KA, LA, MA, NA, OA, PA,

There are 7 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	70	73	first strand
Strand 2	A	37	42	parallel
Strand 3	A	13	17	parallel
Strand 4	A	99	102	parallel
Strand 5	A	149	154	parallel
Strand 6	A	192	199	parallel
Strand 7	A	252	255	parallel

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There are 7 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	51	54	first strand
Strand 2	B	28	33	parallel
Strand 3	B	4	8	parallel
Strand 4	B	77	82	parallel
Strand 5	B	128	133	parallel
Strand 6	B	171	178	parallel
Strand 7	B	226	229	parallel

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There are 7 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	51	54	first strand
Strand 2	C	28	33	parallel
Strand 3	C	4	8	parallel
Strand 4	C	77	82	parallel
Strand 5	C	128	133	parallel
Strand 6	C	171	178	parallel
Strand 7	C	226	229	parallel

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There are 7 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	70	73	first strand
Strand 2	D	36	42	parallel
Strand 3	D	12	17	parallel
Strand 4	D	99	102	parallel
Strand 5	D	149	154	parallel
Strand 6	D	192	199	parallel
Strand 7	D	252	255	parallel

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There are 7 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	70	73	first strand
Strand 2	E	37	42	parallel
Strand 3	E	13	17	parallel
Strand 4	E	99	102	parallel
Strand 5	E	149	154	parallel
Strand 6	E	192	199	parallel
Strand 7	E	252	255	parallel

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There are 7 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	51	54	first strand
Strand 2	F	28	33	parallel
Strand 3	F	4	8	parallel
Strand 4	F	79	82	parallel
Strand 5	F	128	133	parallel
Strand 6	F	171	178	parallel
Strand 7	F	226	229	parallel

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There are 7 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	51	54	first strand
Strand 2	G	30	33	parallel
Strand 3	G	6	8	parallel
Strand 4	G	79	82	parallel
Strand 5	G	128	133	parallel
Strand 6	G	171	178	parallel
Strand 7	G	226	229	parallel

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There are 7 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	70	73	first strand
Strand 2	H	37	42	parallel
Strand 3	H	13	17	parallel
Strand 4	H	99	102	parallel
Strand 5	H	149	154	parallel
Strand 6	H	192	199	parallel
Strand 7	H	252	255	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	70	73	first strand
Strand 2	I	37	42	parallel
Strand 3	I	13	17	parallel
Strand 4	I	99	102	parallel
Strand 5	I	149	154	parallel
Strand 6	I	192	199	parallel
Strand 7	I	251	255	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	J	51	54	first strand
Strand 2	J	28	33	parallel
Strand 3	J	4	8	parallel
Strand 4	J	79	82	parallel
Strand 5	J	128	133	parallel
Strand 6	J	171	178	parallel
Strand 7	J	226	229	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	K	51	54	first strand
Strand 2	K	28	33	parallel
Strand 3	K	4	8	parallel
Strand 4	K	79	82	parallel
Strand 5	K	128	133	parallel
Strand 6	K	171	178	parallel
Strand 7	K	226	229	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	L	70	73	first strand
Strand 2	L	37	42	parallel
Strand 3	L	13	17	parallel
Strand 4	L	99	102	parallel
Strand 5	L	149	154	parallel
Strand 6	L	192	199	parallel
Strand 7	L	252	255	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	M	70	73	first strand
Strand 2	M	37	42	parallel
Strand 3	M	13	17	parallel
Strand 4	M	99	102	parallel
Strand 5	M	149	154	parallel
Strand 6	M	192	199	parallel
Strand 7	M	252	255	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	N	51	54	first strand
Strand 2	N	28	33	parallel
Strand 3	N	4	8	parallel
Strand 4	N	79	82	parallel
Strand 5	N	128	133	parallel
Strand 6	N	171	178	parallel
Strand 7	N	226	229	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	O	51	54	first strand
Strand 2	O	28	33	parallel
Strand 3	O	4	8	parallel
Strand 4	O	79	82	parallel
Strand 5	O	128	133	parallel
Strand 6	O	171	178	parallel
Strand 7	O	226	229	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	P	70	73	first strand
Strand 2	P	37	42	parallel
Strand 3	P	13	17	parallel
Strand 4	P	99	102	parallel
Strand 5	P	149	154	parallel
Strand 6	P	192	199	parallel
Strand 7	P	252	255	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: 4CQM

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