Analysis of interatomic Contacts of Structural Units in PDB entry:
21VM

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 21VM entry

There are 4 chains in PDB entry 21VM (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
B	THR 3	SER 458
C	MET 1	GLY 138
D	ASN 3	ASN 215
A	MET 1	GLN 159

There are 19 helices in PDB entry 21VM. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	AA1	B	46	54	Right-handed alpha
Helix 2	AA2	B	59	70	Right-handed alpha
Helix 3	AA3	B	122	136	Right-handed alpha
Helix 4	AA4	B	179	191	Right-handed alpha
Helix 5	AA5	B	203	217	Right-handed alpha
Helix 6	AA6	B	237	244	Right-handed alpha
Helix 7	AA7	B	258	263	Right-handed alpha
Helix 8	AA8	B	264	273	Right-handed alpha
Helix 9	AA9	B	296	306	Right-handed alpha
Helix 10	AB1	B	330	358	Right-handed alpha
Helix 11	AB2	B	365	379	Right-handed alpha
Helix 12	AB3	B	379	388	Right-handed alpha
Helix 13	AB4	B	420	426	Right-handed alpha
Helix 14	AB5	C	2	6	Right-handed 310
Helix 15	AB6	D	4	27	Right-handed alpha
Helix 16	AB7	D	91	103	Right-handed alpha
Helix 17	AB8	D	105	111	Right-handed alpha
Helix 18	AB9	A	12	16	Right-handed 310
Helix 19	AC1	A	75	90	Right-handed alpha

There are 14 sheets in PDB entry 21VM. 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,

There are 6 strands in AA1 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	42	44	first strand
Strand 2	B	78	82	anti-parallel
Strand 3	B	28	32	parallel
Strand 4	B	196	199	parallel
Strand 5	B	220	225	parallel
Strand 6	B	250	255	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	B	145	146	first strand
Strand 2	B	153	155	anti-parallel
Strand 3	B	88	90	anti-parallel
Strand 4	B	173	174	anti-parallel

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There are 3 strands in AA3 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	110	115	first strand
Strand 2	B	100	105	anti-parallel
Strand 3	B	164	167	anti-parallel

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There are 2 strands in AA4 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	311	312	first strand
Strand 2	B	319	320	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	B	393	396	first strand
Strand 2	B	403	406	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	B	409	411	first strand
Strand 2	B	432	434	anti-parallel

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There are 8 strands in AA7 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	54	58	first strand
Strand 2	C	63	73	anti-parallel
Strand 3	C	114	121	anti-parallel
Strand 4	C	96	106	anti-parallel
Strand 5	C	86	93	anti-parallel
Strand 6	C	12	23	anti-parallel
Strand 7	C	34	49	anti-parallel
Strand 8	C	63	73	anti-parallel

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There are 5 strands in AA8 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	31	33	first strand
Strand 2	D	45	54	parallel
Strand 3	D	76	85	anti-parallel
Strand 4	D	139	148	anti-parallel
Strand 5	D	117	121	anti-parallel

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There are 5 strands in AA9 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	31	33	first strand
Strand 2	D	45	54	parallel
Strand 3	D	76	85	anti-parallel
Strand 4	D	139	148	anti-parallel
Strand 5	D	125	126	anti-parallel

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There are 4 strands in AB1 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	151	156	first strand
Strand 2	D	69	73	anti-parallel
Strand 3	D	61	65	anti-parallel
Strand 4	D	196	197	anti-parallel

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There are 2 strands in AB2 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	129	131	first strand
Strand 2	D	135	137	anti-parallel

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There are 2 strands in AB3 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	164	169	first strand
Strand 2	D	180	185	anti-parallel

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There are 6 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	17	20	first strand
Strand 2	A	94	99	anti-parallel
Strand 3	A	105	114	anti-parallel
Strand 4	A	126	133	anti-parallel
Strand 5	A	63	70	anti-parallel
Strand 6	A	34	38	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	A	43	47	first strand
Strand 2	A	53	57	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: 21VM

Analysis of interatomic Contacts of Structural Units in PDB entry:
21VM