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

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 2CCA entry

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

Chain ID	Initial residue	Terminal residue
A	MET 26	ARG 740
B	MET 26	ARG 740

There are 90 helices in PDB entry 2CCA. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	28	32	Right-handed 310
Helix 2	2	A	34	38	Right-handed 310
Helix 3	3	A	44	49	Right-handed 310
Helix 4	4	A	52	56	Right-handed 310
Helix 5	5	A	63	69	Right-handed alpha
Helix 6	6	A	72	85	Right-handed alpha
Helix 7	7	A	93	97	Right-handed 310
Helix 8	8	A	98	111	Right-handed alpha
Helix 9	9	A	125	129	Right-handed 310
Helix 10	10	A	131	135	Right-handed 310
Helix 11	11	A	135	139	Right-handed 310
Helix 12	12	A	140	147	Right-handed alpha
Helix 13	13	A	148	156	Right-handed alpha
Helix 14	14	A	157	159	Right-handed 310
Helix 15	15	A	160	176	Right-handed alpha
Helix 16	16	A	234	238	Right-handed 310
Helix 17	17	A	240	254	Right-handed alpha
Helix 18	18	A	258	271	Right-handed alpha
Helix 19	19	A	280	283	Right-handed 310
Helix 20	20	A	287	291	Right-handed 310
Helix 21	21	A	292	296	Right-handed 310
Helix 22	22	A	308	312	Right-handed 310
Helix 23	23	A	330	339	Right-handed alpha
Helix 24	24	A	357	359	Right-handed 310
Helix 25	25	A	378	418	Right-handed alpha
Helix 26	26	A	422	426	Right-handed 310
Helix 27	27	A	436	440	Right-handed 310
Helix 28	28	A	451	464	Right-handed alpha
Helix 29	29	A	468	481	Right-handed alpha
Helix 30	30	A	495	499	Right-handed 310
Helix 31	31	A	501	505	Right-handed 310
Helix 32	32	A	513	532	Right-handed alpha
Helix 33	33	A	539	559	Right-handed alpha
Helix 34	34	A	575	579	Right-handed 310
Helix 35	35	A	580	585	Right-handed alpha
Helix 36	36	A	586	588	Right-handed 310
Helix 37	37	A	593	596	Right-handed 310
Helix 38	38	A	605	617	Right-handed alpha
Helix 39	39	A	620	634	Right-handed alpha
Helix 40	40	A	637	641	Right-handed 310
Helix 41	41	A	655	662	Right-handed alpha
Helix 42	42	A	693	712	Right-handed alpha
Helix 43	43	A	716	733	Right-handed alpha
Helix 44	44	A	736	740	Right-handed 310
Helix 45	45	B	28	32	Right-handed 310
Helix 46	46	B	34	38	Right-handed 310
Helix 47	47	B	44	49	Right-handed 310
Helix 48	48	B	52	56	Right-handed 310
Helix 49	49	B	63	69	Right-handed alpha
Helix 50	50	B	72	85	Right-handed alpha
Helix 51	51	B	93	97	Right-handed 310
Helix 52	52	B	98	111	Right-handed alpha
Helix 53	53	B	125	129	Right-handed 310
Helix 54	54	B	131	135	Right-handed 310
Helix 55	55	B	135	139	Right-handed 310
Helix 56	56	B	140	148	Right-handed alpha
Helix 57	57	B	148	156	Right-handed alpha
Helix 58	58	B	157	159	Right-handed 310
Helix 59	59	B	160	176	Right-handed alpha
Helix 60	60	B	234	238	Right-handed 310
Helix 61	61	B	240	254	Right-handed alpha
Helix 62	62	B	258	271	Right-handed alpha
Helix 63	63	B	280	283	Right-handed 310
Helix 64	64	B	287	291	Right-handed 310
Helix 65	65	B	292	296	Right-handed 310
Helix 66	66	B	308	312	Right-handed 310
Helix 67	67	B	330	339	Right-handed alpha
Helix 68	68	B	357	359	Right-handed 310
Helix 69	69	B	378	418	Right-handed alpha
Helix 70	70	B	422	426	Right-handed 310
Helix 71	71	B	436	440	Right-handed 310
Helix 72	72	B	451	464	Right-handed alpha
Helix 73	73	B	468	481	Right-handed alpha
Helix 74	74	B	495	499	Right-handed 310
Helix 75	75	B	501	505	Right-handed 310
Helix 76	76	B	505	509	Right-handed 310
Helix 77	77	B	513	532	Right-handed alpha
Helix 78	78	B	539	559	Right-handed alpha
Helix 79	79	B	575	579	Right-handed 310
Helix 80	80	B	580	585	Right-handed alpha
Helix 81	81	B	586	588	Right-handed 310
Helix 82	82	B	593	596	Right-handed 310
Helix 83	83	B	605	617	Right-handed alpha
Helix 84	84	B	620	635	Right-handed alpha
Helix 85	85	B	637	641	Right-handed 310
Helix 86	86	B	655	662	Right-handed alpha
Helix 87	87	B	693	701	Right-handed alpha
Helix 88	88	B	701	712	Right-handed alpha
Helix 89	89	B	716	733	Right-handed alpha
Helix 90	90	B	736	740	Right-handed 310

There are 8 sheets in PDB entry 2CCA. Click on sheet of interest to get list of strands forming it: AA, AB, AC, AD, BA, BB, BC, BD,

There are 2 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	210	211	first strand
Strand 2	A	215	216	anti-parallel

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There are 3 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	341	345	first strand
Strand 2	A	351	355	anti-parallel
Strand 3	A	376	377	anti-parallel

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There are 2 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	591	592	first strand
Strand 2	A	597	598	anti-parallel

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There are 3 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	667	670	first strand
Strand 2	A	677	681	anti-parallel
Strand 3	A	687	692	anti-parallel

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There are 2 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	210	211	first strand
Strand 2	B	215	216	anti-parallel

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There are 3 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	341	345	first strand
Strand 2	B	351	355	anti-parallel
Strand 3	B	376	377	anti-parallel

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There are 2 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	591	592	first strand
Strand 2	B	597	598	anti-parallel

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There are 3 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	667	670	first strand
Strand 2	B	677	681	anti-parallel
Strand 3	B	687	692	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: 2CCA

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