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

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 4KTT entry

There are 6 chains in PDB entry 4KTT (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	GLU 15	TYR 395
B	GLU 14	TYR 395
C	GLU 15	TYR 395
D	GLY 16	TYR 395
E	PRO 16	HIS 323
F	VAL 20	HIS 323

There are 81 helices in PDB entry 4KTT. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	29	49	Right-handed alpha
Helix 2	2	A	78	91	Right-handed alpha
Helix 3	3	A	95	98	Right-handed 310
Helix 4	4	A	151	170	Right-handed alpha
Helix 5	5	A	214	226	Right-handed alpha
Helix 6	6	A	226	231	Right-handed alpha
Helix 7	7	A	232	236	Right-handed 310
Helix 8	8	A	253	258	Right-handed alpha
Helix 9	9	A	289	308	Right-handed alpha
Helix 10	10	A	341	351	Right-handed alpha
Helix 11	11	A	356	365	Right-handed alpha
Helix 12	12	A	385	389	Right-handed 310
Helix 13	13	B	29	49	Right-handed alpha
Helix 14	14	B	78	91	Right-handed alpha
Helix 15	15	B	95	98	Right-handed 310
Helix 16	16	B	114	122	Right-handed alpha
Helix 17	17	B	126	130	Right-handed 310
Helix 18	18	B	151	170	Right-handed alpha
Helix 19	19	B	214	226	Right-handed alpha
Helix 20	20	B	226	231	Right-handed alpha
Helix 21	21	B	289	308	Right-handed alpha
Helix 22	22	B	341	353	Right-handed alpha
Helix 23	23	B	356	365	Right-handed alpha
Helix 24	24	B	371	375	Right-handed 310
Helix 25	25	B	385	389	Right-handed 310
Helix 26	26	C	29	49	Right-handed alpha
Helix 27	27	C	78	91	Right-handed alpha
Helix 28	28	C	95	98	Right-handed 310
Helix 29	29	C	151	171	Right-handed alpha
Helix 30	30	C	214	225	Right-handed alpha
Helix 31	31	C	226	231	Right-handed alpha
Helix 32	32	C	232	236	Right-handed 310
Helix 33	33	C	253	257	Right-handed 310
Helix 34	34	C	265	270	Right-handed alpha
Helix 35	35	C	289	308	Right-handed alpha
Helix 36	36	C	341	353	Right-handed alpha
Helix 37	37	C	356	364	Right-handed alpha
Helix 38	38	C	371	376	Right-handed 310
Helix 39	39	C	385	389	Right-handed 310
Helix 40	40	D	29	47	Right-handed alpha
Helix 41	41	D	78	91	Right-handed alpha
Helix 42	42	D	95	98	Right-handed 310
Helix 43	43	D	114	122	Right-handed alpha
Helix 44	44	D	126	130	Right-handed 310
Helix 45	45	D	151	170	Right-handed alpha
Helix 46	46	D	214	225	Right-handed alpha
Helix 47	47	D	226	231	Right-handed alpha
Helix 48	48	D	232	236	Right-handed 310
Helix 49	49	D	289	308	Right-handed alpha
Helix 50	50	D	341	353	Right-handed alpha
Helix 51	51	D	356	365	Right-handed alpha
Helix 52	52	D	371	376	Right-handed 310
Helix 53	53	D	385	389	Right-handed 310
Helix 54	54	E	27	40	Right-handed alpha
Helix 55	55	E	63	75	Right-handed alpha
Helix 56	56	E	87	94	Right-handed alpha
Helix 57	57	E	94	103	Right-handed alpha
Helix 58	58	E	103	115	Right-handed alpha
Helix 59	59	E	127	129	Right-handed 310
Helix 60	60	E	146	163	Right-handed alpha
Helix 61	61	E	180	184	Right-handed 310
Helix 62	62	E	186	188	Right-handed 310
Helix 63	63	E	189	195	Right-handed alpha
Helix 64	64	E	213	228	Right-handed alpha
Helix 65	65	E	246	258	Right-handed alpha
Helix 66	66	E	286	292	Right-handed alpha
Helix 67	67	E	299	309	Right-handed alpha
Helix 68	68	E	312	317	Right-handed alpha
Helix 69	69	F	27	40	Right-handed alpha
Helix 70	70	F	63	75	Right-handed alpha
Helix 71	71	F	106	116	Right-handed alpha
Helix 72	72	F	149	151	Right-handed 310
Helix 73	73	F	152	161	Right-handed alpha
Helix 74	74	F	180	184	Right-handed 310
Helix 75	75	F	186	188	Right-handed 310
Helix 76	76	F	189	195	Right-handed alpha
Helix 77	77	F	213	226	Right-handed alpha
Helix 78	78	F	246	258	Right-handed alpha
Helix 79	79	F	287	293	Right-handed alpha
Helix 80	80	F	299	309	Right-handed alpha
Helix 81	81	F	312	319	Right-handed alpha

There are 23 sheets in PDB entry 4KTT. 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, R, S, T, U, V, W,

There are 4 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	17	25	first strand
Strand 2	A	176	191	anti-parallel
Strand 3	A	194	209	anti-parallel
Strand 4	A	241	244	parallel

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There are 3 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	105	108	first strand
Strand 2	A	64	72	parallel
Strand 3	A	111	113	parallel

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There are 4 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	105	108	first strand
Strand 2	A	64	72	parallel
Strand 3	A	53	61	anti-parallel
Strand 4	A	260	261	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	93	94	first strand
Strand 2	A	99	100	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	137	143	first strand
Strand 2	A	313	319	anti-parallel
Strand 3	A	329	333	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	17	25	first strand
Strand 2	B	176	191	anti-parallel
Strand 3	B	194	209	anti-parallel
Strand 4	B	241	244	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	B	105	111	first strand
Strand 2	B	64	72	parallel
Strand 3	B	53	61	anti-parallel
Strand 4	B	259	261	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	93	94	first strand
Strand 2	B	99	100	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	136	143	first strand
Strand 2	B	313	320	anti-parallel
Strand 3	B	329	333	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	17	25	first strand
Strand 2	C	176	191	anti-parallel
Strand 3	C	194	209	anti-parallel
Strand 4	C	241	244	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	105	113	first strand
Strand 2	C	64	72	parallel
Strand 3	C	56	61	anti-parallel
Strand 4	C	260	261	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	93	94	first strand
Strand 2	C	99	100	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	137	143	first strand
Strand 2	C	313	319	anti-parallel
Strand 3	C	330	333	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	17	25	first strand
Strand 2	D	176	191	anti-parallel
Strand 3	D	194	209	anti-parallel
Strand 4	D	241	244	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	105	111	first strand
Strand 2	D	64	72	parallel
Strand 3	D	53	61	anti-parallel
Strand 4	D	260	261	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	93	94	first strand
Strand 2	D	99	100	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	136	143	first strand
Strand 2	D	313	320	anti-parallel
Strand 3	D	329	333	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	57	58	first strand
Strand 2	E	43	48	parallel
Strand 3	E	19	23	parallel
Strand 4	E	78	81	parallel
Strand 5	E	119	125	parallel
Strand 6	E	167	171	parallel
Strand 7	E	235	238	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	174	175	first strand
Strand 2	E	211	212	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	200	203	first strand
Strand 2	E	265	268	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	45	46	first strand
Strand 2	F	21	22	parallel
Strand 3	F	79	81	parallel
Strand 4	F	120	125	parallel
Strand 5	F	168	171	parallel
Strand 6	F	236	238	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	174	175	first strand
Strand 2	F	211	212	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	200	203	first strand
Strand 2	F	265	268	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: 4KTT

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