Analysis of interatomic Contacts of Structural Units in PDB entry:
1X8M

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 1X8M entry

There are 6 chains in PDB entry 1X8M (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	SER 1002	PHE 1268
B	SER 2002	PHE 2268
C	SER 3002	PHE 3268
D	SER 4002	PHE 4268
E	SER 5002	PHE 5268
F	SER 6002	PHE 6268

There are 24 helices in PDB entry 1X8M. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	1010	1016	Right-handed alpha
Helix 2	2	A	1018	1026	Right-handed alpha
Helix 3	3	A	1062	1070	Right-handed alpha
Helix 4	4	A	1073	1076	Right-handed 310
Helix 5	5	B	2010	2016	Right-handed alpha
Helix 6	6	B	2018	2026	Right-handed alpha
Helix 7	7	B	2062	2070	Right-handed alpha
Helix 8	8	B	2073	2076	Right-handed 310
Helix 9	9	C	3010	3016	Right-handed alpha
Helix 10	10	C	3018	3026	Right-handed alpha
Helix 11	11	C	3062	3070	Right-handed alpha
Helix 12	12	C	3073	3076	Right-handed 310
Helix 13	13	D	4010	4016	Right-handed alpha
Helix 14	14	D	4018	4026	Right-handed alpha
Helix 15	15	D	4062	4070	Right-handed alpha
Helix 16	16	D	4073	4076	Right-handed 310
Helix 17	17	E	5010	5016	Right-handed alpha
Helix 18	18	E	5018	5026	Right-handed alpha
Helix 19	19	E	5062	5070	Right-handed alpha
Helix 20	20	E	5073	5076	Right-handed 310
Helix 21	21	F	6010	6016	Right-handed alpha
Helix 22	22	F	6018	6026	Right-handed alpha
Helix 23	23	F	6062	6070	Right-handed alpha
Helix 24	24	F	6073	6076	Right-handed 310

There are 24 sheets in PDB entry 1X8M. 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,

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	A	1004	1006	first strand
Strand 2	A	1040	1042	parallel
Strand 3	A	1047	1052	anti-parallel
Strand 4	A	1128	1134	anti-parallel
Strand 5	A	1078	1084	anti-parallel
Strand 6	A	1105	1108	anti-parallel
Strand 7	A	1142	1144	anti-parallel

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There are 7 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	1027	1028	first strand
Strand 2	A	1237	1241	anti-parallel
Strand 3	A	1204	1210	anti-parallel
Strand 4	A	1256	1262	anti-parallel
Strand 5	A	1180	1186	anti-parallel
Strand 6	A	1163	1169	anti-parallel
Strand 7	A	1152	1154	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	1059	1061	first strand
Strand 2	A	1115	1119	anti-parallel
Strand 3	A	1089	1093	anti-parallel
Strand 4	A	1096	1100	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	A	1229	1233	first strand
Strand 2	A	1218	1222	anti-parallel
Strand 3	A	1249	1251	anti-parallel

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There are 7 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	2004	2006	first strand
Strand 2	B	2040	2042	parallel
Strand 3	B	2047	2052	anti-parallel
Strand 4	B	2128	2134	anti-parallel
Strand 5	B	2078	2084	anti-parallel
Strand 6	B	2105	2108	anti-parallel
Strand 7	B	2142	2144	anti-parallel

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There are 7 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	2027	2028	first strand
Strand 2	B	2237	2241	anti-parallel
Strand 3	B	2204	2210	anti-parallel
Strand 4	B	2256	2262	anti-parallel
Strand 5	B	2180	2186	anti-parallel
Strand 6	B	2163	2169	anti-parallel
Strand 7	B	2152	2154	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	B	2059	2061	first strand
Strand 2	B	2115	2119	anti-parallel
Strand 3	B	2089	2093	anti-parallel
Strand 4	B	2096	2100	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	B	2229	2234	first strand
Strand 2	B	2217	2222	anti-parallel
Strand 3	B	2249	2251	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	3004	3006	first strand
Strand 2	C	3040	3042	parallel
Strand 3	C	3047	3052	anti-parallel
Strand 4	C	3128	3134	anti-parallel
Strand 5	C	3078	3084	anti-parallel
Strand 6	C	3105	3108	anti-parallel
Strand 7	C	3142	3144	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	3027	3028	first strand
Strand 2	C	3237	3241	anti-parallel
Strand 3	C	3204	3210	anti-parallel
Strand 4	C	3256	3262	anti-parallel
Strand 5	C	3180	3186	anti-parallel
Strand 6	C	3163	3169	anti-parallel
Strand 7	C	3152	3154	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	C	3059	3061	first strand
Strand 2	C	3115	3119	anti-parallel
Strand 3	C	3089	3093	anti-parallel
Strand 4	C	3096	3100	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	C	3229	3233	first strand
Strand 2	C	3218	3222	anti-parallel
Strand 3	C	3249	3251	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	4004	4006	first strand
Strand 2	D	4040	4042	parallel
Strand 3	D	4047	4052	anti-parallel
Strand 4	D	4128	4134	anti-parallel
Strand 5	D	4078	4084	anti-parallel
Strand 6	D	4105	4108	anti-parallel
Strand 7	D	4142	4144	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	4027	4028	first strand
Strand 2	D	4237	4241	anti-parallel
Strand 3	D	4204	4210	anti-parallel
Strand 4	D	4256	4262	anti-parallel
Strand 5	D	4180	4186	anti-parallel
Strand 6	D	4163	4169	anti-parallel
Strand 7	D	4152	4154	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	D	4059	4061	first strand
Strand 2	D	4115	4119	anti-parallel
Strand 3	D	4089	4093	anti-parallel
Strand 4	D	4096	4100	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	D	4229	4233	first strand
Strand 2	D	4218	4222	anti-parallel
Strand 3	D	4249	4251	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	5004	5006	first strand
Strand 2	E	5040	5042	parallel
Strand 3	E	5047	5052	anti-parallel
Strand 4	E	5128	5134	anti-parallel
Strand 5	E	5078	5084	anti-parallel
Strand 6	E	5105	5108	anti-parallel
Strand 7	E	5142	5144	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	5027	5028	first strand
Strand 2	E	5237	5241	anti-parallel
Strand 3	E	5204	5210	anti-parallel
Strand 4	E	5256	5262	anti-parallel
Strand 5	E	5180	5186	anti-parallel
Strand 6	E	5163	5169	anti-parallel
Strand 7	E	5152	5154	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	E	5059	5061	first strand
Strand 2	E	5115	5119	anti-parallel
Strand 3	E	5089	5093	anti-parallel
Strand 4	E	5096	5100	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	5229	5233	first strand
Strand 2	E	5218	5222	anti-parallel
Strand 3	E	5249	5251	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	6004	6006	first strand
Strand 2	F	6040	6042	parallel
Strand 3	F	6047	6052	anti-parallel
Strand 4	F	6128	6134	anti-parallel
Strand 5	F	6078	6084	anti-parallel
Strand 6	F	6105	6108	anti-parallel
Strand 7	F	6142	6144	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	6027	6028	first strand
Strand 2	F	6237	6241	anti-parallel
Strand 3	F	6204	6210	anti-parallel
Strand 4	F	6256	6262	anti-parallel
Strand 5	F	6180	6186	anti-parallel
Strand 6	F	6163	6169	anti-parallel
Strand 7	F	6152	6154	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	F	6059	6061	first strand
Strand 2	F	6115	6119	anti-parallel
Strand 3	F	6089	6093	anti-parallel
Strand 4	F	6096	6100	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	6229	6233	first strand
Strand 2	F	6218	6222	anti-parallel
Strand 3	F	6249	6251	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: 1X8M

Analysis of interatomic Contacts of Structural Units in PDB entry:
1X8M