Analysis of interatomic Contacts of Structural Units in PDB entry:
4K3Y

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 4K3Y entry

There are 4 chains in PDB entry 4K3Y (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	ALA 82	GLY 459
B	ALA 82	GLY 459
C	ALA 82	GLY 459
D	ALA 82	TYR 336

There are 7 helices in PDB entry 4K3Y. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	104	108	Right-handed 310
Helix 2	2	A	168	171	Right-handed 310
Helix 3	3	A	246	250	Right-handed 310
Helix 4	4	C	104	107	Right-handed 310
Helix 5	5	C	168	171	Right-handed 310
Helix 6	6	C	246	250	Right-handed 310
Helix 7	7	D	168	171	Right-handed 310

There are 21 sheets in PDB entry 4K3Y. 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,

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	96	102	first strand
Strand 2	A	439	449	anti-parallel
Strand 3	A	421	429	anti-parallel
Strand 4	A	393	410	anti-parallel
Strand 5	A	372	380	anti-parallel
Strand 6	A	359	367	anti-parallel
Strand 7	A	353	354	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	A	118	124	first strand
Strand 2	A	129	135	anti-parallel
Strand 3	A	157	162	anti-parallel
Strand 4	A	172	176	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	179	184	first strand
Strand 2	A	189	195	anti-parallel
Strand 3	A	202	207	anti-parallel
Strand 4	A	210	215	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	231	233	first strand
Strand 2	A	236	243	anti-parallel
Strand 3	A	251	258	anti-parallel
Strand 4	A	261	268	anti-parallel

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There are 4 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	276	283	first strand
Strand 2	A	286	292	anti-parallel
Strand 3	A	302	305	anti-parallel
Strand 4	A	312	315	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	96	102	first strand
Strand 2	B	439	449	anti-parallel
Strand 3	B	421	429	anti-parallel
Strand 4	B	394	410	anti-parallel
Strand 5	B	372	380	anti-parallel
Strand 6	B	359	365	anti-parallel
Strand 7	B	353	354	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	118	124	first strand
Strand 2	B	129	135	anti-parallel
Strand 3	B	157	162	anti-parallel
Strand 4	B	173	176	anti-parallel

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There are 4 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	179	184	first strand
Strand 2	B	189	195	anti-parallel
Strand 3	B	202	207	anti-parallel
Strand 4	B	210	215	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	231	233	first strand
Strand 2	B	236	243	anti-parallel
Strand 3	B	251	258	anti-parallel
Strand 4	B	261	268	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	276	283	first strand
Strand 2	B	286	292	anti-parallel
Strand 3	B	302	305	anti-parallel
Strand 4	B	312	315	anti-parallel

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There are 7 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	96	102	first strand
Strand 2	C	439	449	anti-parallel
Strand 3	C	421	429	anti-parallel
Strand 4	C	393	410	anti-parallel
Strand 5	C	372	380	anti-parallel
Strand 6	C	359	367	anti-parallel
Strand 7	C	353	354	anti-parallel

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There are 4 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	116	124	first strand
Strand 2	C	129	137	anti-parallel
Strand 3	C	157	162	anti-parallel
Strand 4	C	172	176	anti-parallel

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There are 4 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	179	184	first strand
Strand 2	C	189	195	anti-parallel
Strand 3	C	202	207	anti-parallel
Strand 4	C	210	215	anti-parallel

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There are 4 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	236	243	anti-parallel
Strand 3	C	251	258	anti-parallel
Strand 4	C	261	268	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	276	283	first strand
Strand 2	C	286	292	anti-parallel
Strand 3	C	302	305	anti-parallel
Strand 4	C	312	315	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	D	96	102	first strand
Strand 2	D	439	449	anti-parallel
Strand 3	D	421	430	anti-parallel
Strand 4	D	109	110	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	D	96	102	first strand
Strand 2	D	439	449	anti-parallel
Strand 3	D	421	430	anti-parallel
Strand 4	D	394	410	anti-parallel
Strand 5	D	372	379	anti-parallel
Strand 6	D	360	365	anti-parallel
Strand 7	D	353	354	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	118	124	first strand
Strand 2	D	129	135	anti-parallel
Strand 3	D	157	162	anti-parallel
Strand 4	D	172	176	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	D	179	184	first strand
Strand 2	D	189	195	anti-parallel
Strand 3	D	202	207	anti-parallel
Strand 4	D	210	215	anti-parallel

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There are 4 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	236	243	anti-parallel
Strand 3	D	251	258	anti-parallel
Strand 4	D	261	268	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	276	283	first strand
Strand 2	D	286	292	anti-parallel
Strand 3	D	302	305	anti-parallel
Strand 4	D	312	315	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: 4K3Y

Analysis of interatomic Contacts of Structural Units in PDB entry:
4K3Y