Analysis of interatomic Contacts of Structural Units in PDB entry:
2INI

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 2INI entry

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

Chain ID	Initial residue	Terminal residue
B	GLU 55	GLY 690
	GLN 1	GLU 604

There are 20 helices in PDB entry 2INI. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	B	129	131	Right-handed 310
Helix 2	2	B	132	144	Right-handed alpha
Helix 3	3	B	170	174	Right-handed 310
Helix 4	4	B	199	210	Right-handed alpha
Helix 5	5	B	222	232	Right-handed alpha
Helix 6	6	B	232	237	Right-handed alpha
Helix 7	7	B	258	262	Right-handed 310
Helix 8	8	B	281	286	Right-handed 310
Helix 9	9	B	291	302	Right-handed alpha
Helix 10	10	B	314	323	Right-handed alpha
Helix 11	11	B	342	352	Right-handed alpha
Helix 12	12	B	564	568	Right-handed 310
Helix 13	13	B	573	577	Right-handed 310
Helix 14	14	B	606	610	Right-handed 310
Helix 15	15	B	611	619	Right-handed alpha
Helix 16	16	B	623	628	Right-handed alpha
Helix 17	17		186	193	Right-handed alpha
Helix 18	18		212	216	Right-handed 310
Helix 19	19		364	368	Right-handed 310
Helix 20	20		542	546	Right-handed 310

There are 24 sheets in PDB entry 2INI. 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 6 strands in A sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	60	64	first strand
Strand 2	B	87	92	anti-parallel
Strand 3	B	425	431	parallel
Strand 4	B	413	418	anti-parallel
Strand 5	B	355	360	anti-parallel
Strand 6	B	385	386	anti-parallel

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There are 4 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	97	105	first strand
Strand 2	B	394	402	anti-parallel
Strand 3	B	369	373	anti-parallel
Strand 4	B	380	381	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	190	197	first strand
Strand 2	B	149	156	anti-parallel
Strand 3	B	112	119	parallel
Strand 4	B	243	250	parallel
Strand 5	B	304	310	parallel
Strand 6	B	329	332	parallel

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There are 2 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	553	554	first strand
Strand 2	B	560	561	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	579	581	first strand
Strand 2	B	586	588	anti-parallel

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There are 4 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	639	640	first strand
Strand 2	B	677	680	parallel
Strand 3	B	664	671	anti-parallel
Strand 4	B	653	658	anti-parallel

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

Strand number	Initial residue	Terminal residue	Strand sense
Strand 1	7	8	first strand
Strand 2	431	433	anti-parallel
Strand 3	420	422	anti-parallel
Strand 4	406	408	anti-parallel

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

Strand number	Initial residue	Terminal residue	Strand sense
Strand 1	23	24	first strand
Strand 2	33	36	anti-parallel
Strand 3	55	57	anti-parallel
Strand 4	65	67	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1		77	79	first strand
Strand 2		82	83	anti-parallel

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

Strand number	Initial residue	Terminal residue	Strand sense
Strand 1	92	98	first strand
Strand 2	102	107	anti-parallel
Strand 3	125	130	anti-parallel
Strand 4	133	137	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		111	112	first strand
Strand 2		121	122	anti-parallel

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

Strand number	Initial residue	Terminal residue	Strand sense
Strand 1	161	162	first strand
Strand 2	166	169	anti-parallel
Strand 3	182	185	anti-parallel

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

Strand number	Initial residue	Terminal residue	Strand sense
Strand 1	223	227	first strand
Strand 2	236	240	anti-parallel
Strand 3	250	254	anti-parallel
Strand 4	261	266	anti-parallel

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

Strand number	Initial residue	Terminal residue	Strand sense
Strand 1	274	281	first strand
Strand 2	290	295	anti-parallel
Strand 3	312	318	anti-parallel
Strand 4	324	325	anti-parallel

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

Strand number	Initial residue	Terminal residue	Strand sense
Strand 1	274	281	first strand
Strand 2	290	295	anti-parallel
Strand 3	312	318	anti-parallel
Strand 4	328	330	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1		299	301	first strand
Strand 2		307	309	anti-parallel

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

Strand number	Initial residue	Terminal residue	Strand sense
Strand 1	341	345	first strand
Strand 2	355	360	anti-parallel
Strand 3	370	372	anti-parallel
Strand 4	388	390	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		375	376	first strand
Strand 2		381	382	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		438	439	first strand
Strand 2		575	576	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1		445	447	first strand
Strand 2		473	475	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1		451	452	first strand
Strand 2		589	590	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1		459	460	first strand
Strand 2		467	468	anti-parallel

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

Strand number	Initial residue	Terminal residue	Strand sense
Strand 1	518	525	first strand
Strand 2	489	496	anti-parallel
Strand 3	554	561	anti-parallel
Strand 4	583	587	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		510	511	first strand
Strand 2		538	539	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: 2INI

Analysis of interatomic Contacts of Structural Units in PDB entry:
2INI