Analysis of interatomic Contacts of Structural Units in PDB entry:
4Y4K

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 4Y4K entry

There are 4 chains in PDB entry 4Y4K (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	LYS 6	TRP 279
B	GLN 2	ARG 97
C	THR 1	SER 203
D	ALA 2	ALA 240

There are 10 helices in PDB entry 4Y4K. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	AA1	A	59	89	Right-handed alpha
Helix 2	AA2	A	140	142	Right-handed 310
Helix 3	AA3	A	143	151	Right-handed alpha
Helix 4	AA4	A	153	166	Right-handed alpha
Helix 5	AA5	A	166	184	Right-handed alpha
Helix 6	AA6	C	80	84	Right-handed 310
Helix 7	AA7	C	185	190	Right-handed alpha
Helix 8	AA8	D	82	86	Right-handed 310
Helix 9	AA9	D	128	136	Right-handed alpha
Helix 10	AB1	D	195	200	Right-handed alpha

There are 16 sheets in PDB entry 4Y4K. 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,

There are 8 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	48	49	first strand
Strand 2	A	35	40	anti-parallel
Strand 3	A	24	32	anti-parallel
Strand 4	A	10	18	anti-parallel
Strand 5	A	96	107	anti-parallel
Strand 6	A	111	120	anti-parallel
Strand 7	A	123	129	anti-parallel
Strand 8	A	132	135	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	190	196	first strand
Strand 2	A	205	213	anti-parallel
Strand 3	A	245	252	anti-parallel
Strand 4	A	233	234	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	190	196	first strand
Strand 2	A	205	213	anti-parallel
Strand 3	A	245	252	anti-parallel
Strand 4	A	238	239	anti-parallel

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There are 4 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	227	228	first strand
Strand 2	A	219	224	anti-parallel
Strand 3	A	261	266	anti-parallel
Strand 4	A	275	278	anti-parallel

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There are 4 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	6	11	first strand
Strand 2	B	21	30	anti-parallel
Strand 3	B	62	70	anti-parallel
Strand 4	B	50	51	anti-parallel

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There are 4 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	6	11	first strand
Strand 2	B	21	30	anti-parallel
Strand 3	B	62	70	anti-parallel
Strand 4	B	55	56	anti-parallel

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There are 4 strands in AA7 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	44	45	first strand
Strand 2	B	36	41	anti-parallel
Strand 3	B	78	83	anti-parallel
Strand 4	B	91	94	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	C	3	6	first strand
Strand 2	C	18	24	anti-parallel
Strand 3	C	71	76	anti-parallel
Strand 4	C	61	66	anti-parallel
Strand 5	C	53	58	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	C	9	13	first strand
Strand 2	C	107	112	parallel
Strand 3	C	85	92	anti-parallel
Strand 4	C	31	37	anti-parallel
Strand 5	C	44	49	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	C	9	13	first strand
Strand 2	C	107	112	parallel
Strand 3	C	85	92	anti-parallel
Strand 4	C	101	103	anti-parallel

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There are 8 strands in AB2 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	155	157	first strand
Strand 2	C	170	179	anti-parallel
Strand 3	C	134	139	anti-parallel
Strand 4	C	121	127	anti-parallel
Strand 5	D	121	126	anti-parallel
Strand 6	D	137	147	anti-parallel
Strand 7	D	185	194	anti-parallel
Strand 8	D	167	169	anti-parallel

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There are 8 strands in AB3 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	161	165	first strand
Strand 2	C	170	179	anti-parallel
Strand 3	C	134	139	anti-parallel
Strand 4	C	121	127	anti-parallel
Strand 5	D	121	126	anti-parallel
Strand 6	D	137	147	anti-parallel
Strand 7	D	185	194	anti-parallel
Strand 8	D	174	175	anti-parallel

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There are 4 strands in AB4 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	5	7	first strand
Strand 2	D	19	24	anti-parallel
Strand 3	D	73	78	anti-parallel
Strand 4	D	65	67	anti-parallel

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There are 6 strands in AB5 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	10	14	first strand
Strand 2	D	106	111	parallel
Strand 3	D	87	94	anti-parallel
Strand 4	D	31	37	anti-parallel
Strand 5	D	43	49	anti-parallel
Strand 6	D	56	57	anti-parallel

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There are 4 strands in AB6 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	10	14	first strand
Strand 2	D	106	111	parallel
Strand 3	D	87	94	anti-parallel
Strand 4	D	101	102	anti-parallel

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There are 4 strands in AB7 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	161	163	first strand
Strand 2	D	152	158	anti-parallel
Strand 3	D	204	211	anti-parallel
Strand 4	D	230	237	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: 4Y4K

Analysis of interatomic Contacts of Structural Units in PDB entry:
4Y4K