Analysis of interatomic Contacts of Structural Units in PDB entry:
1K5D

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 1K5D entry

There are 12 chains in PDB entry 1K5D (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	GLN 8	ASP 213
B	ASN 22	LYS 167
C	ALA 2	GLU 345
D	GLN 8	ASP 213
E	ASN 22	LYS 167
F	ALA 2	GLU 345
G	GLN 8	ASP 213
H	ASN 22	LYS 167
I	ALA 2	GLU 345
J	GLN 8	ASP 213
K	ASN 22	LYS 167
L	ALA 2	GLU 345

There are100 helices in PDB entry 1K5D. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	22	33	Right-handed alpha
Helix 2	2	A	73	75	Right-handed 310
Helix 3	3	A	76	81	Right-handed alpha
Helix 4	4	A	94	100	Right-handed alpha
Helix 5	5	A	100	113	Right-handed alpha
Helix 6	6	A	137	142	Right-handed alpha
Helix 7	7	A	158	170	Right-handed alpha
Helix 8	8	A	195	206	Right-handed alpha
Helix 9	9	B	144	166	Right-handed alpha
Helix 10	10	C	18	23	Right-handed alpha
Helix 11	11	C	25	31	Right-handed alpha
Helix 12	12	C	45	57	Right-handed alpha
Helix 13	13	C	78	91	Right-handed alpha
Helix 14	14	C	107	109	Right-handed 310
Helix 15	15	C	110	121	Right-handed alpha
Helix 16	16	C	135	155	Right-handed alpha
Helix 17	17	C	172	174	Right-handed 310
Helix 18	18	C	175	186	Right-handed alpha
Helix 19	19	C	200	211	Right-handed alpha
Helix 20	20	C	212	215	Right-handed 310
Helix 21	21	C	228	240	Right-handed alpha
Helix 22	22	C	241	243	Right-handed 310
Helix 23	23	C	257	271	Right-handed alpha
Helix 24	24	C	287	302	Right-handed alpha
Helix 25	25	C	319	333	Right-handed alpha
Helix 26	26	D	22	33	Right-handed alpha
Helix 27	27	D	73	75	Right-handed 310
Helix 28	28	D	76	81	Right-handed alpha
Helix 29	29	D	94	100	Right-handed alpha
Helix 30	30	D	100	113	Right-handed alpha
Helix 31	31	D	137	142	Right-handed alpha
Helix 32	32	D	158	170	Right-handed alpha
Helix 33	33	D	195	206	Right-handed alpha
Helix 34	34	E	144	166	Right-handed alpha
Helix 35	35	F	18	23	Right-handed alpha
Helix 36	36	F	25	31	Right-handed alpha
Helix 37	37	F	45	57	Right-handed alpha
Helix 38	38	F	78	92	Right-handed alpha
Helix 39	39	F	107	109	Right-handed 310
Helix 40	40	F	110	121	Right-handed alpha
Helix 41	41	F	135	155	Right-handed alpha
Helix 42	42	F	172	174	Right-handed 310
Helix 43	43	F	175	186	Right-handed alpha
Helix 44	44	F	200	211	Right-handed alpha
Helix 45	45	F	212	215	Right-handed 310
Helix 46	46	F	228	240	Right-handed alpha
Helix 47	47	F	241	243	Right-handed 310
Helix 48	48	F	257	271	Right-handed alpha
Helix 49	49	F	287	302	Right-handed alpha
Helix 50	50	F	319	333	Right-handed alpha
Helix 51	51	G	22	33	Right-handed alpha
Helix 52	52	G	73	75	Right-handed 310
Helix 53	53	G	76	81	Right-handed alpha
Helix 54	54	G	94	100	Right-handed alpha
Helix 55	55	G	100	113	Right-handed alpha
Helix 56	56	G	137	142	Right-handed alpha
Helix 57	57	G	158	170	Right-handed alpha
Helix 58	58	G	195	206	Right-handed alpha
Helix 59	59	H	144	166	Right-handed alpha
Helix 60	60	I	18	23	Right-handed alpha
Helix 61	61	I	25	31	Right-handed alpha
Helix 62	62	I	45	57	Right-handed alpha
Helix 63	63	I	78	91	Right-handed alpha
Helix 64	64	I	107	109	Right-handed 310
Helix 65	65	I	110	121	Right-handed alpha
Helix 66	66	I	135	155	Right-handed alpha
Helix 67	67	I	172	174	Right-handed 310
Helix 68	68	I	175	186	Right-handed alpha
Helix 69	69	I	200	211	Right-handed alpha
Helix 70	70	I	212	215	Right-handed 310
Helix 71	71	I	228	240	Right-handed alpha
Helix 72	72	I	241	243	Right-handed 310
Helix 73	73	I	257	271	Right-handed alpha
Helix 74	74	I	287	302	Right-handed alpha
Helix 75	75	I	319	333	Right-handed alpha
Helix 76	76	J	22	33	Right-handed alpha
Helix 77	77	J	73	75	Right-handed 310
Helix 78	78	J	76	81	Right-handed alpha
Helix 79	79	J	94	100	Right-handed alpha
Helix 80	80	J	100	113	Right-handed alpha
Helix 81	81	J	137	143	Right-handed alpha
Helix 82	82	J	158	170	Right-handed alpha
Helix 83	83	J	195	206	Right-handed alpha
Helix 84	84	K	144	166	Right-handed alpha
Helix 85	85	L	18	23	Right-handed alpha
Helix 86	86	L	25	31	Right-handed alpha
Helix 87	87	L	45	57	Right-handed alpha
Helix 88	88	L	78	91	Right-handed alpha
Helix 89	89	L	107	109	Right-handed 310
Helix 90	90	L	110	121	Right-handed alpha
Helix 91	91	L	135	155	Right-handed alpha
Helix 92	92	L	172	174	Right-handed 310
Helix 93	93	L	175	186	Right-handed alpha
Helix 94	94	L	200	211	Right-handed alpha
Helix 95	95	L	212	215	Right-handed 310
Helix 96	96	L	228	240	Right-handed alpha
Helix 97	97	L	241	243	Right-handed 310
Helix 98	98	L	257	271	Right-handed alpha
Helix 99	99	L	287	302	Right-handed alpha
Helix 100	100	L	319	333	Right-handed alpha

There are 16 sheets in PDB entry 1K5D. 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,

There are 6 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	45	54	first strand
Strand 2	A	57	66	anti-parallel
Strand 3	A	9	17	parallel
Strand 4	A	85	91	parallel
Strand 5	A	117	122	parallel
Strand 6	A	145	148	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	98	103	first strand
Strand 2	B	86	92	anti-parallel
Strand 3	B	67	79	anti-parallel
Strand 4	B	49	58	anti-parallel
Strand 5	B	134	141	anti-parallel
Strand 6	B	119	127	anti-parallel

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There are 11 strands in C sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	3	5	first strand
Strand 2	C	36	38	parallel
Strand 3	C	64	66	parallel
Strand 4	C	98	100	parallel
Strand 5	C	126	128	parallel
Strand 6	C	163	165	parallel
Strand 7	C	191	193	parallel
Strand 8	C	220	222	parallel
Strand 9	C	248	250	parallel
Strand 10	C	278	280	parallel
Strand 11	C	307	309	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	C	12	13	first strand
Strand 2	C	43	44	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	45	54	first strand
Strand 2	D	57	66	anti-parallel
Strand 3	D	9	17	parallel
Strand 4	D	85	91	parallel
Strand 5	D	117	122	parallel
Strand 6	D	145	148	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	98	103	first strand
Strand 2	E	86	92	anti-parallel
Strand 3	E	67	79	anti-parallel
Strand 4	E	49	58	anti-parallel
Strand 5	E	134	141	anti-parallel
Strand 6	E	119	127	anti-parallel

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There are 11 strands in G sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	3	5	first strand
Strand 2	F	36	38	parallel
Strand 3	F	64	66	parallel
Strand 4	F	98	100	parallel
Strand 5	F	126	128	parallel
Strand 6	F	163	165	parallel
Strand 7	F	191	193	parallel
Strand 8	F	220	222	parallel
Strand 9	F	248	250	parallel
Strand 10	F	278	280	parallel
Strand 11	F	307	309	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	F	12	13	first strand
Strand 2	F	43	44	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	45	54	first strand
Strand 2	G	57	66	anti-parallel
Strand 3	G	9	17	parallel
Strand 4	G	85	91	parallel
Strand 5	G	117	122	parallel
Strand 6	G	145	148	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	98	103	first strand
Strand 2	H	86	92	anti-parallel
Strand 3	H	67	79	anti-parallel
Strand 4	H	49	58	anti-parallel
Strand 5	H	134	141	anti-parallel
Strand 6	H	119	127	anti-parallel

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There are 11 strands in K sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	3	5	first strand
Strand 2	I	36	38	parallel
Strand 3	I	64	66	parallel
Strand 4	I	98	100	parallel
Strand 5	I	126	128	parallel
Strand 6	I	163	165	parallel
Strand 7	I	191	193	parallel
Strand 8	I	220	222	parallel
Strand 9	I	248	250	parallel
Strand 10	I	278	280	parallel
Strand 11	I	307	309	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	I	12	13	first strand
Strand 2	I	43	44	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	J	45	54	first strand
Strand 2	J	57	66	anti-parallel
Strand 3	J	9	17	parallel
Strand 4	J	85	91	parallel
Strand 5	J	117	122	parallel
Strand 6	J	145	148	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	K	98	103	first strand
Strand 2	K	86	92	anti-parallel
Strand 3	K	67	79	anti-parallel
Strand 4	K	49	58	anti-parallel
Strand 5	K	134	141	anti-parallel
Strand 6	K	119	127	anti-parallel

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There are 11 strands in O sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	L	3	5	first strand
Strand 2	L	36	38	parallel
Strand 3	L	64	66	parallel
Strand 4	L	98	100	parallel
Strand 5	L	126	128	parallel
Strand 6	L	163	165	parallel
Strand 7	L	191	193	parallel
Strand 8	L	220	222	parallel
Strand 9	L	248	250	parallel
Strand 10	L	278	280	parallel
Strand 11	L	307	309	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	L	12	13	first strand
Strand 2	L	43	44	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: 1K5D

Analysis of interatomic Contacts of Structural Units in PDB entry:
1K5D