Analysis of interatomic Contacts of Structural Units in PDB entry:
4X9B

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 4X9B entry

There are 2 chains in PDB entry 4X9B (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	GLN 1	GLY 392
B	PRO 4	LEU 391

There are 10 helices in PDB entry 4X9B. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	AA1	A	67	71	Right-handed 310
Helix 2	AA2	A	72	76	Right-handed alpha
Helix 3	AA3	A	175	181	Right-handed 310
Helix 4	AA4	A	282	286	Right-handed 310
Helix 5	AA5	A	365	369	Right-handed 310
Helix 6	AA6	B	67	71	Right-handed 310
Helix 7	AA7	B	72	76	Right-handed alpha
Helix 8	AA8	B	175	180	Right-handed 310
Helix 9	AA9	B	282	286	Right-handed 310
Helix 10	AB1	B	365	369	Right-handed 310

There are 25 sheets in PDB entry 4X9B. Click on sheet of interest to get list of strands forming it: AA1, AA2, AA3, AA4, AA5, AA6, AA7, AA8, AA9, AB1, AB2, AB3, AB4, AB5, AB6, AB7, AB8, AB9, AC1, AC2, AC3, AC4, AC5, AC6, AC7,

There are 2 strands in AA1 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	2	8	first strand
Strand 2	A	27	31	anti-parallel

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There are 4 strands in AA2 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	13	17	first strand
Strand 2	A	96	101	parallel
Strand 3	A	77	86	anti-parallel
Strand 4	A	35	39	anti-parallel

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There are 4 strands in AA3 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	13	17	first strand
Strand 2	A	96	101	parallel
Strand 3	A	77	86	anti-parallel
Strand 4	A	89	92	anti-parallel

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There are 3 strands in AA4 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	22	24	first strand
Strand 2	A	61	63	anti-parallel
Strand 3	A	54	55	anti-parallel

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There are 2 strands in AA5 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	109	110	first strand
Strand 2	A	125	126	anti-parallel

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There are 2 strands in AA6 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	113	116	first strand
Strand 2	A	204	207	parallel

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There are 3 strands in AA7 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	121	123	first strand
Strand 2	A	169	171	anti-parallel
Strand 3	A	161	163	anti-parallel

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There are 4 strands in AA8 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	147	148	first strand
Strand 2	A	135	142	anti-parallel
Strand 3	A	183	189	anti-parallel
Strand 4	A	195	197	anti-parallel

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There are 2 strands in AA9 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	213	217	first strand
Strand 2	A	240	243	anti-parallel

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There are 5 strands in AB1 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	223	229	first strand
Strand 2	A	299	317	parallel
Strand 3	A	287	294	anti-parallel
Strand 4	A	247	253	anti-parallel
Strand 5	A	260	262	anti-parallel

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There are 4 strands in AB2 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	223	229	first strand
Strand 2	A	299	317	parallel
Strand 3	A	329	338	anti-parallel
Strand 4	A	358	361	anti-parallel

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There are 3 strands in AB3 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	234	236	first strand
Strand 2	A	275	278	anti-parallel
Strand 3	A	269	272	anti-parallel

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There are 5 strands in AB4 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	320	324	first strand
Strand 2	A	382	392	parallel
Strand 3	A	370	377	anti-parallel
Strand 4	A	342	347	anti-parallel
Strand 5	A	350	352	anti-parallel

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There are 2 strands in AB5 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	5	8	first strand
Strand 2	B	27	29	anti-parallel

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There are 3 strands in AB6 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	13	17	first strand
Strand 2	B	96	101	parallel
Strand 3	B	77	80	anti-parallel

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There are 3 strands in AB7 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	22	24	first strand
Strand 2	B	61	63	anti-parallel
Strand 3	B	54	55	anti-parallel

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There are 2 strands in AB8 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	83	85	first strand
Strand 2	B	90	92	anti-parallel

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There are 5 strands in AB9 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	113	116	first strand
Strand 2	B	202	207	parallel
Strand 3	B	182	189	anti-parallel
Strand 4	B	135	141	anti-parallel
Strand 5	B	147	150	anti-parallel

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There are 4 strands in AC1 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	113	116	first strand
Strand 2	B	202	207	parallel
Strand 3	B	182	189	anti-parallel
Strand 4	B	195	197	anti-parallel

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There are 3 strands in AC2 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	121	123	first strand
Strand 2	B	169	171	anti-parallel
Strand 3	B	161	163	anti-parallel

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There are 2 strands in AC3 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	213	217	first strand
Strand 2	B	240	243	anti-parallel

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There are 5 strands in AC4 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	223	229	first strand
Strand 2	B	299	317	parallel
Strand 3	B	287	294	anti-parallel
Strand 4	B	247	253	anti-parallel
Strand 5	B	260	262	anti-parallel

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There are 3 strands in AC5 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	223	229	first strand
Strand 2	B	299	317	parallel
Strand 3	B	332	338	anti-parallel

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There are 3 strands in AC6 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	234	236	first strand
Strand 2	B	275	278	anti-parallel
Strand 3	B	269	272	anti-parallel

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There are 5 strands in AC7 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	320	322	first strand
Strand 2	B	382	390	parallel
Strand 3	B	371	377	anti-parallel
Strand 4	B	342	347	anti-parallel
Strand 5	B	350	351	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: 4X9B

Analysis of interatomic Contacts of Structural Units in PDB entry:
4X9B