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

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 4CPD entry

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

Chain ID	Initial residue	Terminal residue
A	MET 1	ARG 346
B	MET 1	ARG 346
C	MET 1	ARG 346
D	MET 1	ARG 346

There are 64 helices in PDB entry 4CPD. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	38	46	Right-handed alpha
Helix 2	2	A	92	97	Right-handed alpha
Helix 3	3	A	99	103	Right-handed 310
Helix 4	4	A	112	116	Right-handed 310
Helix 5	5	A	130	135	Right-handed alpha
Helix 6	6	A	143	148	Right-handed alpha
Helix 7	7	A	149	151	Right-handed 310
Helix 8	8	A	152	164	Right-handed alpha
Helix 9	9	A	178	191	Right-handed alpha
Helix 10	10	A	202	213	Right-handed alpha
Helix 11	11	A	223	232	Right-handed alpha
Helix 12	12	A	246	257	Right-handed alpha
Helix 13	13	A	278	285	Right-handed alpha
Helix 14	14	A	294	308	Right-handed alpha
Helix 15	15	A	312	317	Right-handed 310
Helix 16	16	A	325	335	Right-handed alpha
Helix 17	17	B	38	46	Right-handed alpha
Helix 18	18	B	92	97	Right-handed alpha
Helix 19	19	B	99	103	Right-handed 310
Helix 20	20	B	112	116	Right-handed 310
Helix 21	21	B	130	135	Right-handed alpha
Helix 22	22	B	143	148	Right-handed alpha
Helix 23	23	B	149	151	Right-handed 310
Helix 24	24	B	152	164	Right-handed alpha
Helix 25	25	B	178	191	Right-handed alpha
Helix 26	26	B	202	212	Right-handed alpha
Helix 27	27	B	223	232	Right-handed alpha
Helix 28	28	B	246	257	Right-handed alpha
Helix 29	29	B	278	285	Right-handed alpha
Helix 30	30	B	294	308	Right-handed alpha
Helix 31	31	B	312	317	Right-handed 310
Helix 32	32	B	325	335	Right-handed alpha
Helix 33	33	C	38	46	Right-handed alpha
Helix 34	34	C	92	97	Right-handed alpha
Helix 35	35	C	99	103	Right-handed 310
Helix 36	36	C	112	116	Right-handed 310
Helix 37	37	C	130	135	Right-handed alpha
Helix 38	38	C	143	148	Right-handed alpha
Helix 39	39	C	149	151	Right-handed 310
Helix 40	40	C	152	164	Right-handed alpha
Helix 41	41	C	178	191	Right-handed alpha
Helix 42	42	C	202	212	Right-handed alpha
Helix 43	43	C	223	232	Right-handed alpha
Helix 44	44	C	246	257	Right-handed alpha
Helix 45	45	C	278	285	Right-handed alpha
Helix 46	46	C	294	308	Right-handed alpha
Helix 47	47	C	312	317	Right-handed 310
Helix 48	48	C	325	335	Right-handed alpha
Helix 49	49	D	38	46	Right-handed alpha
Helix 50	50	D	92	97	Right-handed alpha
Helix 51	51	D	99	103	Right-handed 310
Helix 52	52	D	112	116	Right-handed 310
Helix 53	53	D	130	135	Right-handed alpha
Helix 54	54	D	143	148	Right-handed alpha
Helix 55	55	D	149	151	Right-handed 310
Helix 56	56	D	152	164	Right-handed alpha
Helix 57	57	D	178	191	Right-handed alpha
Helix 58	58	D	202	212	Right-handed alpha
Helix 59	59	D	223	232	Right-handed alpha
Helix 60	60	D	246	257	Right-handed alpha
Helix 61	61	D	278	285	Right-handed alpha
Helix 62	62	D	294	308	Right-handed alpha
Helix 63	63	D	312	317	Right-handed 310
Helix 64	64	D	325	335	Right-handed alpha

There are 24 sheets in PDB entry 4CPD. 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 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	2	8	first strand
Strand 2	A	11	16	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	125	128	first strand
Strand 2	A	28	37	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	136	137	first strand
Strand 2	A	80	82	anti-parallel
Strand 3	A	60	68	anti-parallel
Strand 4	A	28	37	anti-parallel
Strand 5	A	341	344	anti-parallel
Strand 6	A	319	322	anti-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	136	137	first strand
Strand 2	A	80	82	anti-parallel
Strand 3	A	60	68	anti-parallel
Strand 4	A	28	37	anti-parallel
Strand 5	A	125	128	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	86	87	first strand
Strand 2	A	107	108	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	215	218	first strand
Strand 2	A	195	200	parallel
Strand 3	A	171	175	parallel
Strand 4	A	239	242	parallel
Strand 5	A	262	265	parallel
Strand 6	A	286	290	parallel
Strand 7	D	286	290	anti-parallel
Strand 8	D	262	265	parallel
Strand 9	D	239	242	parallel
Strand 10	D	171	175	parallel
Strand 11	D	195	200	parallel
Strand 12	D	215	218	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	273	277	first strand
Strand 2	D	273	277	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	2	8	first strand
Strand 2	B	11	16	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	125	128	first strand
Strand 2	B	28	37	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	136	137	first strand
Strand 2	B	80	82	anti-parallel
Strand 3	B	61	68	anti-parallel
Strand 4	B	28	37	anti-parallel
Strand 5	B	341	344	anti-parallel
Strand 6	B	319	322	anti-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	136	137	first strand
Strand 2	B	80	82	anti-parallel
Strand 3	B	61	68	anti-parallel
Strand 4	B	28	37	anti-parallel
Strand 5	B	125	128	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	86	87	first strand
Strand 2	B	107	108	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	215	218	first strand
Strand 2	B	195	200	parallel
Strand 3	B	171	175	parallel
Strand 4	B	239	242	parallel
Strand 5	B	262	265	parallel
Strand 6	B	286	290	parallel
Strand 7	C	286	290	anti-parallel
Strand 8	C	262	265	parallel
Strand 9	C	239	242	parallel
Strand 10	C	171	175	parallel
Strand 11	C	195	200	parallel
Strand 12	C	215	218	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	273	277	first strand
Strand 2	C	273	277	anti-parallel

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There are 2 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	2	8	first strand
Strand 2	C	11	16	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	125	128	first strand
Strand 2	C	28	37	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	136	137	first strand
Strand 2	C	80	82	anti-parallel
Strand 3	C	61	68	anti-parallel
Strand 4	C	28	37	anti-parallel
Strand 5	C	341	344	anti-parallel
Strand 6	C	319	322	anti-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	136	137	first strand
Strand 2	C	80	82	anti-parallel
Strand 3	C	61	68	anti-parallel
Strand 4	C	28	37	anti-parallel
Strand 5	C	125	128	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	86	87	first strand
Strand 2	C	107	108	anti-parallel

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There are 2 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	2	4	first strand
Strand 2	D	14	16	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	125	128	first strand
Strand 2	D	28	37	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	136	137	first strand
Strand 2	D	80	82	anti-parallel
Strand 3	D	61	68	anti-parallel
Strand 4	D	28	37	anti-parallel
Strand 5	D	341	344	anti-parallel
Strand 6	D	319	322	anti-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	136	137	first strand
Strand 2	D	80	82	anti-parallel
Strand 3	D	61	68	anti-parallel
Strand 4	D	28	37	anti-parallel
Strand 5	D	125	128	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	86	87	first strand
Strand 2	D	107	108	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: 4CPD

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