Analysis of interatomic Contacts of Structural Units in PDB entry:
4A0S

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 4A0S entry

There are 3 chains in PDB entry 4A0S (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	SER 1	THR 445
B	SER 1	THR 445
C	SER 1	ARG 430

There are 79 helices in PDB entry 4A0S. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	1	9	Right-handed alpha
Helix 2	2	A	12	19	Right-handed alpha
Helix 3	3	A	33	35	Right-handed 310
Helix 4	4	A	45	50	Right-handed alpha
Helix 5	5	A	75	83	Right-handed alpha
Helix 6	6	A	88	98	Right-handed alpha
Helix 7	7	A	99	107	Right-handed 310
Helix 8	8	A	148	153	Right-handed 310
Helix 9	9	A	192	198	Right-handed alpha
Helix 10	10	A	199	211	Right-handed alpha
Helix 11	11	A	231	244	Right-handed alpha
Helix 12	12	A	254	264	Right-handed alpha
Helix 13	13	A	272	276	Right-handed alpha
Helix 14	14	A	280	283	Right-handed 310
Helix 15	15	A	284	304	Right-handed alpha
Helix 16	16	A	315	326	Right-handed alpha
Helix 17	17	A	347	353	Right-handed alpha
Helix 18	18	A	364	377	Right-handed alpha
Helix 19	19	A	392	402	Right-handed alpha
Helix 20	20	A	424	432	Right-handed alpha
Helix 21	21	A	432	437	Right-handed alpha
Helix 22	22	B	1	9	Right-handed alpha
Helix 23	23	B	12	19	Right-handed alpha
Helix 24	24	B	33	35	Right-handed 310
Helix 25	25	B	45	50	Right-handed alpha
Helix 26	26	B	75	83	Right-handed alpha
Helix 27	27	B	88	98	Right-handed alpha
Helix 28	28	B	99	107	Right-handed 310
Helix 29	29	B	148	153	Right-handed 310
Helix 30	30	B	192	198	Right-handed alpha
Helix 31	31	B	199	211	Right-handed alpha
Helix 32	32	B	231	244	Right-handed alpha
Helix 33	33	B	254	264	Right-handed alpha
Helix 34	34	B	273	276	Right-handed 310
Helix 35	35	B	278	283	Right-handed 310
Helix 36	36	B	284	304	Right-handed alpha
Helix 37	37	B	315	326	Right-handed alpha
Helix 38	38	B	347	352	Right-handed alpha
Helix 39	39	B	364	377	Right-handed alpha
Helix 40	40	B	392	402	Right-handed alpha
Helix 41	41	B	424	432	Right-handed alpha
Helix 42	42	C	1	9	Right-handed alpha
Helix 43	43	C	12	19	Right-handed alpha
Helix 44	44	C	33	35	Right-handed 310
Helix 45	45	C	45	50	Right-handed alpha
Helix 46	46	C	75	83	Right-handed alpha
Helix 47	47	C	88	98	Right-handed alpha
Helix 48	48	C	99	107	Right-handed 310
Helix 49	49	C	148	153	Right-handed 310
Helix 50	50	C	192	198	Right-handed alpha
Helix 51	51	C	199	211	Right-handed alpha
Helix 52	52	C	231	244	Right-handed alpha
Helix 53	53	C	254	264	Right-handed alpha
Helix 54	54	C	284	304	Right-handed alpha
Helix 55	55	C	315	326	Right-handed alpha
Helix 56	56	C	347	352	Right-handed alpha
Helix 57	57	C	364	377	Right-handed alpha
Helix 58	58	C	392	402	Right-handed alpha
Helix 59	59	C	424	432	Right-handed alpha
Helix 60	60	C	432	437	Right-handed alpha
Helix 61	61	D	1	9	Right-handed alpha
Helix 62	62	D	12	19	Right-handed alpha
Helix 63	63	D	33	37	Right-handed 310
Helix 64	64	D	45	50	Right-handed alpha
Helix 65	65	D	75	83	Right-handed alpha
Helix 66	66	D	88	98	Right-handed alpha
Helix 67	67	D	99	107	Right-handed 310
Helix 68	68	D	148	153	Right-handed 310
Helix 69	69	D	192	198	Right-handed alpha
Helix 70	70	D	199	211	Right-handed alpha
Helix 71	71	D	231	244	Right-handed alpha
Helix 72	72	D	254	264	Right-handed alpha
Helix 73	73	D	272	276	Right-handed alpha
Helix 74	74	D	284	304	Right-handed alpha
Helix 75	75	D	315	326	Right-handed alpha
Helix 76	76	D	347	353	Right-handed alpha
Helix 77	77	D	364	377	Right-handed alpha
Helix 78	78	D	392	402	Right-handed alpha
Helix 79	79	D	424	432	Right-handed alpha

There are 24 sheets in PDB entry 4A0S. Click on sheet of interest to get list of strands forming it: AA, AB, AC, AD, AE, AF, AG, BA, BB, BC, BD, BE, BF, BG, CA, CB, CC, CD, CE, A, DB, C, DD, DE,

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	51	56	first strand
Strand 2	A	24	31	anti-parallel
Strand 3	A	110	112	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	176	180	first strand
Strand 2	A	64	73	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	184	186	first strand
Strand 2	A	136	139	anti-parallel
Strand 3	A	117	124	anti-parallel
Strand 4	A	64	73	anti-parallel
Strand 5	A	408	412	anti-parallel
Strand 6	A	384	389	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	184	186	first strand
Strand 2	A	136	139	anti-parallel
Strand 3	A	117	124	anti-parallel
Strand 4	A	64	73	anti-parallel
Strand 5	A	176	180	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	142	143	first strand
Strand 2	A	162	163	anti-parallel

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There are 12 strands in AF sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	269	271	first strand
Strand 2	A	247	252	parallel
Strand 3	A	223	226	parallel
Strand 4	A	309	312	parallel
Strand 5	A	331	334	parallel
Strand 6	A	356	359	parallel
Strand 7	D	356	359	anti-parallel
Strand 8	D	331	334	parallel
Strand 9	D	309	312	parallel
Strand 10	D	223	226	parallel
Strand 11	D	247	252	parallel
Strand 12	D	268	271	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	342	346	first strand
Strand 2	D	342	346	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	51	56	first strand
Strand 2	B	24	31	anti-parallel
Strand 3	B	110	112	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	176	180	first strand
Strand 2	B	64	74	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	184	186	first strand
Strand 2	B	136	139	anti-parallel
Strand 3	B	117	124	anti-parallel
Strand 4	B	64	74	anti-parallel
Strand 5	B	408	412	anti-parallel
Strand 6	B	384	389	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	184	186	first strand
Strand 2	B	136	139	anti-parallel
Strand 3	B	117	124	anti-parallel
Strand 4	B	64	74	anti-parallel
Strand 5	B	176	180	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	142	143	first strand
Strand 2	B	162	163	anti-parallel

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There are 12 strands in BF sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	268	271	first strand
Strand 2	B	247	252	parallel
Strand 3	B	223	226	parallel
Strand 4	B	309	312	parallel
Strand 5	B	331	334	parallel
Strand 6	B	356	359	parallel
Strand 7	C	356	359	anti-parallel
Strand 8	C	331	334	parallel
Strand 9	C	309	312	parallel
Strand 10	C	223	226	parallel
Strand 11	C	247	252	parallel
Strand 12	C	269	271	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	342	346	first strand
Strand 2	C	342	346	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	51	56	first strand
Strand 2	C	24	31	anti-parallel
Strand 3	C	110	112	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	176	180	first strand
Strand 2	C	64	73	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	184	186	first strand
Strand 2	C	136	139	anti-parallel
Strand 3	C	117	124	anti-parallel
Strand 4	C	64	73	anti-parallel
Strand 5	C	408	412	anti-parallel
Strand 6	C	384	389	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	184	186	first strand
Strand 2	C	136	139	anti-parallel
Strand 3	C	117	124	anti-parallel
Strand 4	C	64	73	anti-parallel
Strand 5	C	176	180	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	142	143	first strand
Strand 2	C	162	163	anti-parallel

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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	D	51	56	first strand
Strand 2	D	24	31	anti-parallel
Strand 3	D	110	112	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	176	180	first strand
Strand 2	D	64	73	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	D	184	186	first strand
Strand 2	D	136	139	anti-parallel
Strand 3	D	117	124	anti-parallel
Strand 4	D	64	73	anti-parallel
Strand 5	D	408	412	anti-parallel
Strand 6	D	384	389	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	184	186	first strand
Strand 2	D	136	139	anti-parallel
Strand 3	D	117	124	anti-parallel
Strand 4	D	64	73	anti-parallel
Strand 5	D	176	180	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	142	143	first strand
Strand 2	D	162	163	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: 4A0S

Analysis of interatomic Contacts of Structural Units in PDB entry:
4A0S