Analysis of interatomic Contacts of Structural Units in PDB entry:
1M3D

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 1M3D entry

There are 12 chains in PDB entry 1M3D (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	GLY 5	ARG 227
B	PHE 6	THR 229
C	TYR 5	ASN 226
D	HIS 4	ARG 228
E	HIS 4	ARG 227
F	GLY 4	ASN 226
G	HIS 4	ARG 228
H	HIS 4	ARG 227
I	TYR 5	ASN 226
J	GLY 5	ARG 227
K	PHE 6	THR 229
L	TYR 5	ASN 226

There are 68 helices in PDB entry 1M3D. 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	51	Right-handed 310
Helix 2	2	A	99	105	Right-handed 310
Helix 3	3	A	149	151	Right-handed 310
Helix 4	4	A	160	162	Right-handed 310
Helix 5	5	A	197	201	Right-handed 310
Helix 6	6	A	215	219	Right-handed 310
Helix 7	7	B	49	51	Right-handed 310
Helix 8	8	B	99	105	Right-handed 310
Helix 9	9	B	149	151	Right-handed 310
Helix 10	10	B	160	162	Right-handed 310
Helix 11	11	B	197	201	Right-handed 310
Helix 12	12	B	215	219	Right-handed 310
Helix 13	13	C	48	50	Right-handed 310
Helix 14	14	C	96	102	Right-handed 310
Helix 15	15	C	157	159	Right-handed 310
Helix 16	16	C	175	177	Right-handed 310
Helix 17	17	C	213	217	Right-handed 310
Helix 18	18	D	49	51	Right-handed 310
Helix 19	19	D	99	105	Right-handed 310
Helix 20	20	D	149	151	Right-handed 310
Helix 21	21	D	160	162	Right-handed 310
Helix 22	22	D	197	201	Right-handed 310
Helix 23	23	D	215	219	Right-handed 310
Helix 24	24	E	49	51	Right-handed 310
Helix 25	25	E	99	105	Right-handed 310
Helix 26	26	E	149	151	Right-handed 310
Helix 27	27	E	160	162	Right-handed 310
Helix 28	28	E	197	201	Right-handed 310
Helix 29	29	E	215	219	Right-handed 310
Helix 30	30	F	48	50	Right-handed 310
Helix 31	31	F	96	102	Right-handed 310
Helix 32	32	F	157	159	Right-handed 310
Helix 33	33	F	175	177	Right-handed 310
Helix 34	34	F	213	217	Right-handed 310
Helix 35	35	G	49	51	Right-handed 310
Helix 36	36	G	99	105	Right-handed 310
Helix 37	37	G	149	151	Right-handed 310
Helix 38	38	G	160	162	Right-handed 310
Helix 39	39	G	197	201	Right-handed 310
Helix 40	40	G	215	219	Right-handed 310
Helix 41	41	H	49	51	Right-handed 310
Helix 42	42	H	99	105	Right-handed 310
Helix 43	43	H	149	151	Right-handed 310
Helix 44	44	H	160	162	Right-handed 310
Helix 45	45	H	197	201	Right-handed 310
Helix 46	46	H	215	219	Right-handed 310
Helix 47	47	I	48	50	Right-handed 310
Helix 48	48	I	96	102	Right-handed 310
Helix 49	49	I	157	159	Right-handed 310
Helix 50	50	I	175	177	Right-handed 310
Helix 51	51	I	212	217	Right-handed 310
Helix 52	52	J	49	51	Right-handed 310
Helix 53	53	J	99	105	Right-handed 310
Helix 54	54	J	149	151	Right-handed 310
Helix 55	55	J	160	162	Right-handed 310
Helix 56	56	J	197	201	Right-handed 310
Helix 57	57	J	215	219	Right-handed 310
Helix 58	58	K	49	51	Right-handed 310
Helix 59	59	K	99	105	Right-handed 310
Helix 60	60	K	149	151	Right-handed 310
Helix 61	61	K	160	162	Right-handed 310
Helix 62	62	K	197	201	Right-handed 310
Helix 63	63	K	215	219	Right-handed 310
Helix 64	64	L	48	50	Right-handed 310
Helix 65	65	L	96	102	Right-handed 310
Helix 66	66	L	157	159	Right-handed 310
Helix 67	67	L	175	177	Right-handed 310
Helix 68	68	L	213	217	Right-handed 310

There are 27 sheets in PDB entry 1M3D. 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,

There are 11 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	6	11	first strand
Strand 2	A	107	113	anti-parallel
Strand 3	A	25	38	anti-parallel
Strand 4	A	53	54	anti-parallel
Strand 5	A	25	38	anti-parallel
Strand 6	A	41	44	anti-parallel
Strand 7	A	25	38	anti-parallel
Strand 8	A	79	83	anti-parallel
Strand 9	A	173	177	anti-parallel
Strand 10	A	181	183	anti-parallel
Strand 11	A	96	97	anti-parallel

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There are 11 strands in B sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	208	211	first strand
Strand 2	A	70	73	anti-parallel
Strand 3	A	62	65	anti-parallel
Strand 4	B	189	193	anti-parallel
Strand 5	B	135	147	anti-parallel
Strand 6	B	153	155	anti-parallel
Strand 7	B	135	147	anti-parallel
Strand 8	B	164	165	anti-parallel
Strand 9	B	135	147	anti-parallel
Strand 10	B	221	226	anti-parallel
Strand 11	B	117	121	anti-parallel

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There are 11 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	208	211	first strand
Strand 2	C	69	72	anti-parallel
Strand 3	C	61	65	anti-parallel
Strand 4	A	189	193	anti-parallel
Strand 5	A	135	147	anti-parallel
Strand 6	A	164	165	anti-parallel
Strand 7	A	135	147	anti-parallel
Strand 8	A	153	155	anti-parallel
Strand 9	A	135	147	anti-parallel
Strand 10	A	221	226	anti-parallel
Strand 11	A	117	121	anti-parallel

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There are 12 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	96	97	first strand
Strand 2	B	181	183	anti-parallel
Strand 3	B	173	177	anti-parallel
Strand 4	B	79	83	anti-parallel
Strand 5	B	25	38	anti-parallel
Strand 6	B	53	54	anti-parallel
Strand 7	B	25	38	anti-parallel
Strand 8	B	41	44	anti-parallel
Strand 9	B	25	38	anti-parallel
Strand 10	B	107	112	anti-parallel
Strand 11	B	7	11	anti-parallel
Strand 12	B	107	112	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	57	58	first strand
Strand 2	C	199	200	parallel

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There are 11 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	206	208	first strand
Strand 2	B	71	73	anti-parallel
Strand 3	B	62	65	anti-parallel
Strand 4	C	187	191	anti-parallel
Strand 5	C	131	144	anti-parallel
Strand 6	C	150	152	anti-parallel
Strand 7	C	131	144	anti-parallel
Strand 8	C	161	162	anti-parallel
Strand 9	C	131	144	anti-parallel
Strand 10	C	219	225	anti-parallel
Strand 11	C	114	118	anti-parallel

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There are 11 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	93	94	first strand
Strand 2	C	179	181	anti-parallel
Strand 3	C	170	173	anti-parallel
Strand 4	C	78	82	anti-parallel
Strand 5	C	24	37	anti-parallel
Strand 6	C	52	53	anti-parallel
Strand 7	C	24	37	anti-parallel
Strand 8	C	40	43	anti-parallel
Strand 9	C	24	37	anti-parallel
Strand 10	C	104	109	anti-parallel
Strand 11	C	6	10	anti-parallel

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There are 11 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	6	11	first strand
Strand 2	D	107	113	anti-parallel
Strand 3	D	25	38	anti-parallel
Strand 4	D	53	54	anti-parallel
Strand 5	D	25	38	anti-parallel
Strand 6	D	41	44	anti-parallel
Strand 7	D	25	38	anti-parallel
Strand 8	D	79	83	anti-parallel
Strand 9	D	173	177	anti-parallel
Strand 10	D	181	183	anti-parallel
Strand 11	D	96	97	anti-parallel

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There are 11 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	117	121	first strand
Strand 2	E	221	226	anti-parallel
Strand 3	E	135	147	anti-parallel
Strand 4	E	153	155	anti-parallel
Strand 5	E	135	147	anti-parallel
Strand 6	E	164	165	anti-parallel
Strand 7	E	135	147	anti-parallel
Strand 8	E	189	193	anti-parallel
Strand 9	D	62	65	anti-parallel
Strand 10	D	71	73	anti-parallel
Strand 11	E	208	210	anti-parallel

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There are 11 strands in J sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	117	121	first strand
Strand 2	D	221	227	anti-parallel
Strand 3	D	134	147	anti-parallel
Strand 4	D	153	155	anti-parallel
Strand 5	D	134	147	anti-parallel
Strand 6	D	164	165	anti-parallel
Strand 7	D	134	147	anti-parallel
Strand 8	D	189	193	anti-parallel
Strand 9	F	61	65	anti-parallel
Strand 10	F	69	72	anti-parallel
Strand 11	D	208	210	anti-parallel

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There are 11 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	6	11	first strand
Strand 2	E	107	113	anti-parallel
Strand 3	E	25	38	anti-parallel
Strand 4	E	41	44	anti-parallel
Strand 5	E	25	38	anti-parallel
Strand 6	E	53	54	anti-parallel
Strand 7	E	25	38	anti-parallel
Strand 8	E	79	83	anti-parallel
Strand 9	E	173	177	anti-parallel
Strand 10	E	181	183	anti-parallel
Strand 11	E	96	97	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	E	57	58	first strand
Strand 2	F	199	200	parallel

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There are 11 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	206	208	first strand
Strand 2	E	71	73	anti-parallel
Strand 3	E	62	65	anti-parallel
Strand 4	F	187	191	anti-parallel
Strand 5	F	131	144	anti-parallel
Strand 6	F	161	162	anti-parallel
Strand 7	F	131	144	anti-parallel
Strand 8	F	150	152	anti-parallel
Strand 9	F	131	144	anti-parallel
Strand 10	F	219	225	anti-parallel
Strand 11	F	114	118	anti-parallel

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There are 11 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	5	10	first strand
Strand 2	F	104	110	anti-parallel
Strand 3	F	25	37	anti-parallel
Strand 4	F	40	43	anti-parallel
Strand 5	F	25	37	anti-parallel
Strand 6	F	52	53	anti-parallel
Strand 7	F	25	37	anti-parallel
Strand 8	F	78	82	anti-parallel
Strand 9	F	170	173	anti-parallel
Strand 10	F	179	181	anti-parallel
Strand 11	F	93	94	anti-parallel

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There are 11 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	6	11	first strand
Strand 2	G	107	113	anti-parallel
Strand 3	G	25	38	anti-parallel
Strand 4	G	41	44	anti-parallel
Strand 5	G	25	38	anti-parallel
Strand 6	G	53	54	anti-parallel
Strand 7	G	25	38	anti-parallel
Strand 8	G	79	83	anti-parallel
Strand 9	G	173	177	anti-parallel
Strand 10	G	181	183	anti-parallel
Strand 11	G	96	97	anti-parallel

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There are 11 strands in P sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	208	211	first strand
Strand 2	G	70	73	anti-parallel
Strand 3	G	62	65	anti-parallel
Strand 4	H	189	193	anti-parallel
Strand 5	H	135	147	anti-parallel
Strand 6	H	153	155	anti-parallel
Strand 7	H	135	147	anti-parallel
Strand 8	H	164	165	anti-parallel
Strand 9	H	135	147	anti-parallel
Strand 10	H	221	226	anti-parallel
Strand 11	H	117	121	anti-parallel

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There are 11 strands in Q sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	117	121	first strand
Strand 2	G	221	227	anti-parallel
Strand 3	G	134	147	anti-parallel
Strand 4	G	164	165	anti-parallel
Strand 5	G	134	147	anti-parallel
Strand 6	G	153	155	anti-parallel
Strand 7	G	134	147	anti-parallel
Strand 8	G	189	193	anti-parallel
Strand 9	I	61	65	anti-parallel
Strand 10	I	69	72	anti-parallel
Strand 11	G	208	211	anti-parallel

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There are 11 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	6	11	first strand
Strand 2	H	107	113	anti-parallel
Strand 3	H	25	38	anti-parallel
Strand 4	H	53	54	anti-parallel
Strand 5	H	25	38	anti-parallel
Strand 6	H	41	44	anti-parallel
Strand 7	H	25	38	anti-parallel
Strand 8	H	79	83	anti-parallel
Strand 9	H	173	177	anti-parallel
Strand 10	H	181	183	anti-parallel
Strand 11	H	96	97	anti-parallel

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There are 2 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	57	58	first strand
Strand 2	I	199	200	parallel

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There are 11 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	114	118	first strand
Strand 2	I	219	225	anti-parallel
Strand 3	I	131	144	anti-parallel
Strand 4	I	150	152	anti-parallel
Strand 5	I	131	144	anti-parallel
Strand 6	I	161	162	anti-parallel
Strand 7	I	131	144	anti-parallel
Strand 8	I	187	191	anti-parallel
Strand 9	H	62	65	anti-parallel
Strand 10	H	71	73	anti-parallel
Strand 11	I	206	208	anti-parallel

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There are 11 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	6	10	first strand
Strand 2	I	104	109	anti-parallel
Strand 3	I	25	37	anti-parallel
Strand 4	I	40	43	anti-parallel
Strand 5	I	25	37	anti-parallel
Strand 6	I	52	53	anti-parallel
Strand 7	I	25	37	anti-parallel
Strand 8	I	78	82	anti-parallel
Strand 9	I	170	173	anti-parallel
Strand 10	I	179	181	anti-parallel
Strand 11	I	93	94	anti-parallel

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There are 11 strands in V sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	J	6	11	first strand
Strand 2	J	107	113	anti-parallel
Strand 3	J	25	38	anti-parallel
Strand 4	J	41	44	anti-parallel
Strand 5	J	25	38	anti-parallel
Strand 6	J	53	54	anti-parallel
Strand 7	J	25	38	anti-parallel
Strand 8	J	79	83	anti-parallel
Strand 9	J	173	177	anti-parallel
Strand 10	J	181	183	anti-parallel
Strand 11	J	96	97	anti-parallel

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There are 11 strands in W sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	K	208	210	first strand
Strand 2	J	71	73	anti-parallel
Strand 3	J	62	65	anti-parallel
Strand 4	K	189	193	anti-parallel
Strand 5	K	135	147	anti-parallel
Strand 6	K	153	155	anti-parallel
Strand 7	K	135	147	anti-parallel
Strand 8	K	164	165	anti-parallel
Strand 9	K	135	147	anti-parallel
Strand 10	K	221	226	anti-parallel
Strand 11	K	117	121	anti-parallel

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There are 11 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	117	121	first strand
Strand 2	J	221	226	anti-parallel
Strand 3	J	135	147	anti-parallel
Strand 4	J	153	155	anti-parallel
Strand 5	J	135	147	anti-parallel
Strand 6	J	164	165	anti-parallel
Strand 7	J	135	147	anti-parallel
Strand 8	J	189	193	anti-parallel
Strand 9	L	61	65	anti-parallel
Strand 10	L	69	72	anti-parallel
Strand 11	J	208	211	anti-parallel

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There are 11 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	7	11	first strand
Strand 2	K	107	112	anti-parallel
Strand 3	K	25	38	anti-parallel
Strand 4	K	41	44	anti-parallel
Strand 5	K	25	38	anti-parallel
Strand 6	K	53	54	anti-parallel
Strand 7	K	25	38	anti-parallel
Strand 8	K	79	83	anti-parallel
Strand 9	K	173	177	anti-parallel
Strand 10	K	181	183	anti-parallel
Strand 11	K	96	97	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	57	58	first strand
Strand 2	L	199	200	parallel

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There are 11 strands in AA sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	L	114	118	first strand
Strand 2	L	219	225	anti-parallel
Strand 3	L	131	144	anti-parallel
Strand 4	L	150	152	anti-parallel
Strand 5	L	131	144	anti-parallel
Strand 6	L	161	162	anti-parallel
Strand 7	L	131	144	anti-parallel
Strand 8	L	187	191	anti-parallel
Strand 9	K	62	65	anti-parallel
Strand 10	K	71	73	anti-parallel
Strand 11	L	206	208	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: 1M3D

Analysis of interatomic Contacts of Structural Units in PDB entry:
1M3D