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

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 4KHB entry

There are 8 chains in PDB entry 4KHB (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	LYS 527	LYS 642
D	HIS 0	GLY 184
F	HIS 0	THR 186
H	HIS 0	THR 185
G	LYS 527	VAL 641
E	PHE 526	ARG 638
C	PHE 526	GLU 639
B	MET 1	THR 185

There are 28 helices in PDB entry 4KHB. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	534	538	Right-handed 310
Helix 2	2	A	539	545	Right-handed 310
Helix 3	3	A	551	553	Right-handed 310
Helix 4	4	A	622	642	Right-handed alpha
Helix 5	5	D	76	78	Right-handed 310
Helix 6	6	D	79	90	Right-handed alpha
Helix 7	7	D	132	134	Right-handed 310
Helix 8	8	F	44	46	Right-handed 310
Helix 9	9	F	76	78	Right-handed 310
Helix 10	10	F	79	90	Right-handed alpha
Helix 11	11	F	132	134	Right-handed 310
Helix 12	12	H	76	78	Right-handed 310
Helix 13	13	H	79	90	Right-handed alpha
Helix 14	14	G	534	538	Right-handed 310
Helix 15	15	G	539	545	Right-handed 310
Helix 16	16	G	551	553	Right-handed 310
Helix 17	17	G	622	640	Right-handed alpha
Helix 18	18	E	534	538	Right-handed 310
Helix 19	19	E	539	545	Right-handed 310
Helix 20	20	E	551	553	Right-handed 310
Helix 21	21	E	622	638	Right-handed alpha
Helix 22	22	C	534	538	Right-handed 310
Helix 23	23	C	539	545	Right-handed 310
Helix 24	24	C	551	553	Right-handed 310
Helix 25	25	C	622	639	Right-handed alpha
Helix 26	26	B	44	46	Right-handed 310
Helix 27	27	B	76	78	Right-handed 310
Helix 28	28	B	79	90	Right-handed alpha

There are 17 sheets in PDB entry 4KHB. 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,

There are 3 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	548	550	first strand
Strand 2	A	555	560	anti-parallel
Strand 3	A	563	568	anti-parallel

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There are 6 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	572	580	first strand
Strand 2	A	583	590	anti-parallel
Strand 3	A	611	620	anti-parallel
Strand 4	B	107	112	anti-parallel
Strand 5	B	116	121	anti-parallel
Strand 6	B	124	130	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	A	572	580	first strand
Strand 2	A	583	590	anti-parallel
Strand 3	A	611	620	anti-parallel
Strand 4	B	173	180	anti-parallel
Strand 5	B	144	149	anti-parallel
Strand 6	B	134	141	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	39	42	first strand
Strand 2	D	27	31	anti-parallel
Strand 3	D	19	24	anti-parallel
Strand 4	D	5	12	anti-parallel
Strand 5	D	69	75	anti-parallel
Strand 6	D	58	64	anti-parallel
Strand 7	D	46	53	anti-parallel
Strand 8	D	95	97	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	124	130	first strand
Strand 2	D	116	121	anti-parallel
Strand 3	D	107	112	anti-parallel
Strand 4	C	611	620	anti-parallel
Strand 5	D	174	181	anti-parallel
Strand 6	D	144	148	anti-parallel
Strand 7	D	136	139	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	124	130	first strand
Strand 2	D	116	121	anti-parallel
Strand 3	D	107	112	anti-parallel
Strand 4	C	611	620	anti-parallel
Strand 5	C	583	590	anti-parallel
Strand 6	C	572	580	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	F	5	10	first strand
Strand 2	F	19	24	anti-parallel
Strand 3	F	27	32	anti-parallel
Strand 4	F	39	42	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	F	69	75	first strand
Strand 2	F	58	63	anti-parallel
Strand 3	F	48	53	anti-parallel
Strand 4	F	95	97	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	124	130	first strand
Strand 2	F	116	121	anti-parallel
Strand 3	F	107	112	anti-parallel
Strand 4	E	611	620	anti-parallel
Strand 5	F	174	181	anti-parallel
Strand 6	F	145	148	anti-parallel
Strand 7	F	136	139	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	124	130	first strand
Strand 2	F	116	121	anti-parallel
Strand 3	F	107	112	anti-parallel
Strand 4	E	611	620	anti-parallel
Strand 5	E	583	590	anti-parallel
Strand 6	E	572	580	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	39	42	first strand
Strand 2	H	27	31	anti-parallel
Strand 3	H	19	24	anti-parallel
Strand 4	H	5	12	anti-parallel
Strand 5	H	69	75	anti-parallel
Strand 6	H	58	64	anti-parallel
Strand 7	H	46	53	anti-parallel
Strand 8	H	95	97	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	124	130	first strand
Strand 2	H	116	121	anti-parallel
Strand 3	H	107	112	anti-parallel
Strand 4	G	611	620	anti-parallel
Strand 5	H	174	181	anti-parallel
Strand 6	H	144	149	anti-parallel
Strand 7	H	134	139	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	124	130	first strand
Strand 2	H	116	121	anti-parallel
Strand 3	H	107	112	anti-parallel
Strand 4	G	611	620	anti-parallel
Strand 5	G	583	590	anti-parallel
Strand 6	G	572	580	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	548	550	first strand
Strand 2	G	555	560	anti-parallel
Strand 3	G	563	568	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	548	550	first strand
Strand 2	E	555	560	anti-parallel
Strand 3	E	563	568	anti-parallel

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There are 3 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	548	550	first strand
Strand 2	C	555	560	anti-parallel
Strand 3	C	563	568	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	39	42	first strand
Strand 2	B	27	32	anti-parallel
Strand 3	B	19	24	anti-parallel
Strand 4	B	5	12	anti-parallel
Strand 5	B	69	75	anti-parallel
Strand 6	B	58	63	anti-parallel
Strand 7	B	48	53	anti-parallel
Strand 8	B	95	97	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: 4KHB

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