Analysis of interatomic Contacts of Structural Units in PDB entry:
3KTK

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 3KTK entry

There are 42 chains in PDB entry 3KTK (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	ASP 18	HIS 191
B	ASP 18	HIS 191
C	ASP 18	HIS 191
D	ASP 18	HIS 191
E	ASP 18	HIS 191
F	ASP 18	HIS 191
G	ASP 18	HIS 191
O	SER 3	PRO 4
O	ALA 6	ALA 6
P	SER 3	PRO 4
P	ALA 6	ALA 6
Q	SER 3	PRO 4
Q	ALA 6	ALA 6
R	SER 3	PRO 4
R	ALA 6	ALA 6
S	SER 3	PRO 4
S	ALA 6	ALA 6
T	SER 3	PRO 4
T	ALA 6	ALA 6
U	SER 3	PRO 4
U	ALA 6	ALA 6
H	ASP 18	HIS 191
I	ASP 18	HIS 191
J	ASP 18	HIS 191
K	ASP 18	HIS 191
L	ASP 18	HIS 191
M	ASP 18	HIS 191
N	ASP 18	HIS 191
V	SER 3	PRO 4
V	ALA 6	ALA 6
W	SER 3	PRO 4
W	ALA 6	ALA 6
X	SER 3	PRO 4
X	ALA 6	ALA 6
Y	SER 3	PRO 4
Y	ALA 6	ALA 6
Z	SER 3	PRO 4
Z	ALA 6	ALA 6
0	SER 3	PRO 4
0	ALA 6	ALA 6
1	SER 3	PRO 4
1	ALA 6	ALA 6

There are 98 helices in PDB entry 3KTK. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	18	26	Right-handed alpha
Helix 2	2	A	36	54	Right-handed alpha
Helix 3	3	A	69	83	Right-handed alpha
Helix 4	4	A	97	105	Right-handed alpha
Helix 5	5	A	132	158	Right-handed alpha
Helix 6	6	A	160	168	Right-handed alpha
Helix 7	7	A	176	183	Right-handed alpha
Helix 8	8	B	18	26	Right-handed alpha
Helix 9	9	B	36	54	Right-handed alpha
Helix 10	10	B	69	83	Right-handed alpha
Helix 11	11	B	97	105	Right-handed alpha
Helix 12	12	B	132	158	Right-handed alpha
Helix 13	13	B	160	168	Right-handed alpha
Helix 14	14	B	176	183	Right-handed alpha
Helix 15	15	C	18	26	Right-handed alpha
Helix 16	16	C	36	54	Right-handed alpha
Helix 17	17	C	69	83	Right-handed alpha
Helix 18	18	C	97	105	Right-handed alpha
Helix 19	19	C	132	158	Right-handed alpha
Helix 20	20	C	160	168	Right-handed alpha
Helix 21	21	C	176	183	Right-handed alpha
Helix 22	22	D	18	26	Right-handed alpha
Helix 23	23	D	36	54	Right-handed alpha
Helix 24	24	D	69	83	Right-handed alpha
Helix 25	25	D	97	105	Right-handed alpha
Helix 26	26	D	132	158	Right-handed alpha
Helix 27	27	D	160	168	Right-handed alpha
Helix 28	28	D	176	183	Right-handed alpha
Helix 29	29	E	18	26	Right-handed alpha
Helix 30	30	E	36	54	Right-handed alpha
Helix 31	31	E	69	83	Right-handed alpha
Helix 32	32	E	97	105	Right-handed alpha
Helix 33	33	E	132	158	Right-handed alpha
Helix 34	34	E	160	168	Right-handed alpha
Helix 35	35	E	176	183	Right-handed alpha
Helix 36	36	F	18	26	Right-handed alpha
Helix 37	37	F	36	54	Right-handed alpha
Helix 38	38	F	69	83	Right-handed alpha
Helix 39	39	F	97	105	Right-handed alpha
Helix 40	40	F	132	158	Right-handed alpha
Helix 41	41	F	160	168	Right-handed alpha
Helix 42	42	F	176	183	Right-handed alpha
Helix 43	43	G	18	26	Right-handed alpha
Helix 44	44	G	36	54	Right-handed alpha
Helix 45	45	G	69	83	Right-handed alpha
Helix 46	46	G	97	105	Right-handed alpha
Helix 47	47	G	132	158	Right-handed alpha
Helix 48	48	G	160	168	Right-handed alpha
Helix 49	49	G	176	183	Right-handed alpha
Helix 50	50	H	18	26	Right-handed alpha
Helix 51	51	H	36	54	Right-handed alpha
Helix 52	52	H	69	83	Right-handed alpha
Helix 53	53	H	97	105	Right-handed alpha
Helix 54	54	H	132	158	Right-handed alpha
Helix 55	55	H	160	168	Right-handed alpha
Helix 56	56	H	176	183	Right-handed alpha
Helix 57	57	I	18	26	Right-handed alpha
Helix 58	58	I	36	54	Right-handed alpha
Helix 59	59	I	69	83	Right-handed alpha
Helix 60	60	I	97	105	Right-handed alpha
Helix 61	61	I	132	158	Right-handed alpha
Helix 62	62	I	160	168	Right-handed alpha
Helix 63	63	I	176	183	Right-handed alpha
Helix 64	64	J	18	26	Right-handed alpha
Helix 65	65	J	36	54	Right-handed alpha
Helix 66	66	J	69	83	Right-handed alpha
Helix 67	67	J	97	105	Right-handed alpha
Helix 68	68	J	132	158	Right-handed alpha
Helix 69	69	J	160	168	Right-handed alpha
Helix 70	70	J	176	183	Right-handed alpha
Helix 71	71	K	18	26	Right-handed alpha
Helix 72	72	K	36	54	Right-handed alpha
Helix 73	73	K	69	83	Right-handed alpha
Helix 74	74	K	97	105	Right-handed alpha
Helix 75	75	K	132	158	Right-handed alpha
Helix 76	76	K	160	168	Right-handed alpha
Helix 77	77	K	176	183	Right-handed alpha
Helix 78	78	L	18	26	Right-handed alpha
Helix 79	79	L	36	54	Right-handed alpha
Helix 80	80	L	69	83	Right-handed alpha
Helix 81	81	L	97	105	Right-handed alpha
Helix 82	82	L	132	158	Right-handed alpha
Helix 83	83	L	160	168	Right-handed alpha
Helix 84	84	L	176	183	Right-handed alpha
Helix 85	85	M	18	26	Right-handed alpha
Helix 86	86	M	36	54	Right-handed alpha
Helix 87	87	M	69	83	Right-handed alpha
Helix 88	88	M	97	105	Right-handed alpha
Helix 89	89	M	132	158	Right-handed alpha
Helix 90	90	M	160	168	Right-handed alpha
Helix 91	91	M	176	183	Right-handed alpha
Helix 92	92	N	18	26	Right-handed alpha
Helix 93	93	N	36	54	Right-handed alpha
Helix 94	94	N	69	83	Right-handed alpha
Helix 95	95	N	97	105	Right-handed alpha
Helix 96	96	N	132	158	Right-handed alpha
Helix 97	97	N	160	168	Right-handed alpha
Helix 98	98	N	176	183	Right-handed alpha

There are 35 sheets in PDB entry 3KTK. 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, X, Y, Z, AA, AB, AC, AD, AE, AF, AG, AH, AI,

There are 5 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	28	31	first strand
Strand 2	A	59	65	parallel
Strand 3	A	87	96	parallel
Strand 4	A	118	121	parallel
Strand 5	A	172	175	anti-parallel

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There are 5 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	28	31	first strand
Strand 2	A	59	65	parallel
Strand 3	A	87	96	parallel
Strand 4	A	111	113	parallel
Strand 5	A	187	188	parallel

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There are 2 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	125	131	first strand
Strand 2	K	125	131	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	28	31	first strand
Strand 2	B	59	65	parallel
Strand 3	B	87	96	parallel
Strand 4	B	118	121	parallel
Strand 5	B	172	175	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	28	31	first strand
Strand 2	B	59	65	parallel
Strand 3	B	87	96	parallel
Strand 4	B	111	113	parallel
Strand 5	B	187	188	parallel

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There are 2 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	125	131	first strand
Strand 2	J	125	131	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	28	31	first strand
Strand 2	C	59	65	parallel
Strand 3	C	87	96	parallel
Strand 4	C	118	121	parallel
Strand 5	C	172	175	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	28	31	first strand
Strand 2	C	59	65	parallel
Strand 3	C	87	96	parallel
Strand 4	C	111	113	parallel
Strand 5	C	187	188	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	125	131	first strand
Strand 2	I	125	131	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	28	31	first strand
Strand 2	D	59	65	parallel
Strand 3	D	87	96	parallel
Strand 4	D	118	121	parallel
Strand 5	D	172	175	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	28	31	first strand
Strand 2	D	59	65	parallel
Strand 3	D	87	96	parallel
Strand 4	D	111	113	parallel
Strand 5	D	187	188	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	D	125	131	first strand
Strand 2	H	125	131	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	28	31	first strand
Strand 2	E	59	65	parallel
Strand 3	E	87	96	parallel
Strand 4	E	118	121	parallel
Strand 5	E	172	175	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	28	31	first strand
Strand 2	E	59	65	parallel
Strand 3	E	87	96	parallel
Strand 4	E	111	113	parallel
Strand 5	E	187	188	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	125	131	first strand
Strand 2	N	125	131	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	28	31	first strand
Strand 2	F	59	65	parallel
Strand 3	F	87	96	parallel
Strand 4	F	118	121	parallel
Strand 5	F	172	175	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	28	31	first strand
Strand 2	F	59	65	parallel
Strand 3	F	87	96	parallel
Strand 4	F	111	113	parallel
Strand 5	F	187	188	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	125	131	first strand
Strand 2	M	125	131	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	28	31	first strand
Strand 2	G	59	65	parallel
Strand 3	G	87	96	parallel
Strand 4	G	118	121	parallel
Strand 5	G	172	175	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	28	31	first strand
Strand 2	G	59	65	parallel
Strand 3	G	87	96	parallel
Strand 4	G	111	113	parallel
Strand 5	G	187	188	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	125	131	first strand
Strand 2	L	125	131	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	28	31	first strand
Strand 2	H	59	65	parallel
Strand 3	H	87	96	parallel
Strand 4	H	118	121	parallel
Strand 5	H	172	175	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	28	31	first strand
Strand 2	H	59	65	parallel
Strand 3	H	87	96	parallel
Strand 4	H	111	113	parallel
Strand 5	H	187	188	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	28	31	first strand
Strand 2	I	59	65	parallel
Strand 3	I	87	96	parallel
Strand 4	I	118	121	parallel
Strand 5	I	172	175	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	28	31	first strand
Strand 2	I	59	65	parallel
Strand 3	I	87	96	parallel
Strand 4	I	111	113	parallel
Strand 5	I	187	188	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	J	28	31	first strand
Strand 2	J	59	65	parallel
Strand 3	J	87	96	parallel
Strand 4	J	118	121	parallel
Strand 5	J	172	175	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	J	28	31	first strand
Strand 2	J	59	65	parallel
Strand 3	J	87	96	parallel
Strand 4	J	111	113	parallel
Strand 5	J	187	188	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	K	28	31	first strand
Strand 2	K	59	65	parallel
Strand 3	K	87	96	parallel
Strand 4	K	118	121	parallel
Strand 5	K	172	175	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	K	28	31	first strand
Strand 2	K	59	65	parallel
Strand 3	K	87	96	parallel
Strand 4	K	111	113	parallel
Strand 5	K	187	188	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	L	28	31	first strand
Strand 2	L	59	65	parallel
Strand 3	L	87	96	parallel
Strand 4	L	118	121	parallel
Strand 5	L	172	175	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	L	28	31	first strand
Strand 2	L	59	65	parallel
Strand 3	L	87	96	parallel
Strand 4	L	111	113	parallel
Strand 5	L	187	188	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	M	28	31	first strand
Strand 2	M	59	65	parallel
Strand 3	M	87	96	parallel
Strand 4	M	118	121	parallel
Strand 5	M	172	175	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	M	28	31	first strand
Strand 2	M	59	65	parallel
Strand 3	M	87	96	parallel
Strand 4	M	111	113	parallel
Strand 5	M	187	188	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	N	28	31	first strand
Strand 2	N	59	65	parallel
Strand 3	N	87	96	parallel
Strand 4	N	118	121	parallel
Strand 5	N	172	175	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	N	28	31	first strand
Strand 2	N	59	65	parallel
Strand 3	N	87	96	parallel
Strand 4	N	111	113	parallel
Strand 5	N	187	188	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: 3KTK

Analysis of interatomic Contacts of Structural Units in PDB entry:
3KTK