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

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 1XHX entry

There are 4 chains in PDB entry 1XHX (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	PRO 5	LYS 575
B	PRO 5	LYS 575
C	PRO 5	LYS 575
D	PRO 5	LYS 575

There are 67 helices in PDB entry 1XHX. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	43	55	Right-handed alpha
Helix 2	2	A	62	76	Right-handed alpha
Helix 3	3	A	123	125	Right-handed 310
Helix 4	4	A	129	138	Right-handed alpha
Helix 5	5	A	159	182	Right-handed alpha
Helix 6	6	A	189	203	Right-handed alpha
Helix 7	7	A	203	211	Right-handed alpha
Helix 8	8	A	215	224	Right-handed alpha
Helix 9	9	A	235	238	Right-handed 310
Helix 10	10	A	252	261	Right-handed alpha
Helix 11	11	A	330	339	Right-handed alpha
Helix 12	12	A	360	373	Right-handed alpha
Helix 13	13	A	375	388	Right-handed alpha
Helix 14	14	A	388	394	Right-handed alpha
Helix 15	15	A	426	448	Right-handed alpha
Helix 16	16	A	468	475	Right-handed 310
Helix 17	17	A	534	539	Right-handed alpha
Helix 18	18	B	43	55	Right-handed alpha
Helix 19	19	B	62	76	Right-handed alpha
Helix 20	20	B	123	125	Right-handed 310
Helix 21	21	B	129	138	Right-handed alpha
Helix 22	22	B	159	182	Right-handed alpha
Helix 23	23	B	189	203	Right-handed alpha
Helix 24	24	B	203	211	Right-handed alpha
Helix 25	25	B	215	224	Right-handed alpha
Helix 26	26	B	235	238	Right-handed 310
Helix 27	27	B	252	261	Right-handed alpha
Helix 28	28	B	330	339	Right-handed alpha
Helix 29	29	B	360	373	Right-handed alpha
Helix 30	30	B	375	395	Right-handed alpha
Helix 31	31	B	426	448	Right-handed alpha
Helix 32	32	B	468	475	Right-handed 310
Helix 33	33	B	534	539	Right-handed alpha
Helix 34	34	C	43	55	Right-handed alpha
Helix 35	35	C	62	75	Right-handed alpha
Helix 36	36	C	123	125	Right-handed 310
Helix 37	37	C	129	138	Right-handed alpha
Helix 38	38	C	159	182	Right-handed alpha
Helix 39	39	C	189	203	Right-handed alpha
Helix 40	40	C	203	211	Right-handed alpha
Helix 41	41	C	215	225	Right-handed alpha
Helix 42	42	C	235	238	Right-handed 310
Helix 43	43	C	252	261	Right-handed alpha
Helix 44	44	C	330	339	Right-handed alpha
Helix 45	45	C	360	373	Right-handed alpha
Helix 46	46	C	375	389	Right-handed alpha
Helix 47	47	C	390	394	Right-handed 310
Helix 48	48	C	426	448	Right-handed alpha
Helix 49	49	C	468	472	Right-handed 310
Helix 50	50	C	534	539	Right-handed alpha
Helix 51	51	D	43	55	Right-handed alpha
Helix 52	52	D	62	76	Right-handed alpha
Helix 53	53	D	122	126	Right-handed alpha
Helix 54	54	D	129	137	Right-handed alpha
Helix 55	55	D	159	183	Right-handed alpha
Helix 56	56	D	189	203	Right-handed alpha
Helix 57	57	D	203	211	Right-handed alpha
Helix 58	58	D	215	225	Right-handed alpha
Helix 59	59	D	235	238	Right-handed 310
Helix 60	60	D	252	261	Right-handed alpha
Helix 61	61	D	330	339	Right-handed alpha
Helix 62	62	D	360	373	Right-handed alpha
Helix 63	63	D	375	388	Right-handed alpha
Helix 64	64	D	388	394	Right-handed alpha
Helix 65	65	D	426	448	Right-handed alpha
Helix 66	66	D	468	475	Right-handed 310
Helix 67	67	D	534	539	Right-handed alpha

There are 24 sheets in PDB entry 1XHX. 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 8 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	34	41	first strand
Strand 2	A	24	31	anti-parallel
Strand 3	A	8	15	anti-parallel
Strand 4	A	57	60	parallel
Strand 5	A	113	121	parallel
Strand 6	A	100	110	anti-parallel
Strand 7	A	89	94	anti-parallel
Strand 8	A	80	81	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	231	233	first strand
Strand 2	A	452	456	anti-parallel
Strand 3	A	459	463	anti-parallel
Strand 4	A	245	250	anti-parallel
Strand 5	A	483	496	anti-parallel
Strand 6	A	499	509	anti-parallel
Strand 7	A	512	515	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	241	242	first strand
Strand 2	A	483	496	anti-parallel
Strand 3	A	499	509	anti-parallel
Strand 4	A	523	530	anti-parallel

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There are 4 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	263	272	first strand
Strand 2	A	340	356	anti-parallel
Strand 3	A	283	294	anti-parallel
Strand 4	A	324	329	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	A	402	406	first strand
Strand 2	A	412	416	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	551	559	first strand
Strand 2	A	566	573	anti-parallel

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There are 7 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	38	39	first strand
Strand 2	B	24	30	anti-parallel
Strand 3	B	8	15	anti-parallel
Strand 4	B	57	60	parallel
Strand 5	B	113	121	parallel
Strand 6	B	100	110	anti-parallel
Strand 7	B	91	94	anti-parallel

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There are 7 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	231	233	first strand
Strand 2	B	452	456	anti-parallel
Strand 3	B	459	463	anti-parallel
Strand 4	B	245	250	anti-parallel
Strand 5	B	483	496	anti-parallel
Strand 6	B	499	509	anti-parallel
Strand 7	B	512	515	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	241	242	first strand
Strand 2	B	483	496	anti-parallel
Strand 3	B	499	509	anti-parallel
Strand 4	B	523	530	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	263	272	first strand
Strand 2	B	340	356	anti-parallel
Strand 3	B	283	294	anti-parallel
Strand 4	B	324	329	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	402	406	first strand
Strand 2	B	412	416	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	B	551	561	first strand
Strand 2	B	564	573	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	C	34	41	first strand
Strand 2	C	24	31	anti-parallel
Strand 3	C	7	15	anti-parallel
Strand 4	C	56	60	parallel
Strand 5	C	114	121	parallel
Strand 6	C	100	109	anti-parallel
Strand 7	C	89	94	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	C	231	233	first strand
Strand 2	C	452	456	anti-parallel
Strand 3	C	459	463	anti-parallel
Strand 4	C	245	250	anti-parallel
Strand 5	C	483	496	anti-parallel
Strand 6	C	499	509	anti-parallel
Strand 7	C	512	515	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	C	240	242	first strand
Strand 2	C	483	496	anti-parallel
Strand 3	C	499	509	anti-parallel
Strand 4	C	523	530	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	263	272	first strand
Strand 2	C	340	356	anti-parallel
Strand 3	C	283	294	anti-parallel
Strand 4	C	324	329	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	403	406	first strand
Strand 2	C	412	415	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	C	551	561	first strand
Strand 2	C	564	573	anti-parallel

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There are 8 strands in S sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	34	41	first strand
Strand 2	D	24	31	anti-parallel
Strand 3	D	8	15	anti-parallel
Strand 4	D	57	60	parallel
Strand 5	D	113	121	parallel
Strand 6	D	100	110	anti-parallel
Strand 7	D	89	94	anti-parallel
Strand 8	D	80	81	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	231	233	first strand
Strand 2	D	452	456	anti-parallel
Strand 3	D	459	463	anti-parallel
Strand 4	D	245	250	anti-parallel
Strand 5	D	483	496	anti-parallel
Strand 6	D	499	509	anti-parallel
Strand 7	D	512	515	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	240	242	first strand
Strand 2	D	483	496	anti-parallel
Strand 3	D	499	509	anti-parallel
Strand 4	D	523	530	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	263	272	first strand
Strand 2	D	340	356	anti-parallel
Strand 3	D	283	294	anti-parallel
Strand 4	D	324	329	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	D	402	406	first strand
Strand 2	D	412	416	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	551	561	first strand
Strand 2	D	564	573	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: 1XHX

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