Analysis of interatomic Contacts of Structural Units in PDB entry:
3KC3

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 3KC3 entry

There are 12 chains in PDB entry 3KC3 (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	PHE 43	GLU 347
B	PRO 44	TRP 349
C	GLN 41	ASP 345
D	PHE 46	LEU 342
E	PRO 44	ASP 345
F	PRO 44	GLU 350
G	PHE 43	LEU 342
H	PRO 44	GLU 350
I	GLN 45	MET 356
J	PHE 43	ARG 348
K	PRO 44	ASP 345
L	GLN 42	ARG 348

There are163 helices in PDB entry 3KC3. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	58	61	Right-handed 310
Helix 2	2	A	98	112	Right-handed alpha
Helix 3	3	A	146	151	Right-handed alpha
Helix 4	4	A	159	180	Right-handed alpha
Helix 5	5	A	188	190	Right-handed 310
Helix 6	6	A	231	236	Right-handed 310
Helix 7	7	A	240	242	Right-handed 310
Helix 8	8	A	243	259	Right-handed alpha
Helix 9	9	A	272	282	Right-handed alpha
Helix 10	10	A	295	306	Right-handed alpha
Helix 11	11	A	309	313	Right-handed 310
Helix 12	12	A	315	321	Right-handed alpha
Helix 13	13	A	322	327	Right-handed alpha
Helix 14	14	A	328	331	Right-handed 310
Helix 15	15	A	337	345	Right-handed alpha
Helix 16	16	B	58	61	Right-handed 310
Helix 17	17	B	98	112	Right-handed alpha
Helix 18	18	B	145	153	Right-handed alpha
Helix 19	19	B	159	180	Right-handed alpha
Helix 20	20	B	188	190	Right-handed 310
Helix 21	21	B	241	257	Right-handed alpha
Helix 22	22	B	274	282	Right-handed alpha
Helix 23	23	B	295	306	Right-handed alpha
Helix 24	24	B	309	313	Right-handed 310
Helix 25	25	B	315	322	Right-handed alpha
Helix 26	26	B	322	327	Right-handed alpha
Helix 27	27	B	328	331	Right-handed 310
Helix 28	28	B	337	345	Right-handed alpha
Helix 29	29	C	58	61	Right-handed 310
Helix 30	30	C	98	112	Right-handed alpha
Helix 31	31	C	146	152	Right-handed alpha
Helix 32	32	C	159	180	Right-handed alpha
Helix 33	33	C	188	190	Right-handed 310
Helix 34	34	C	243	258	Right-handed alpha
Helix 35	35	C	275	282	Right-handed alpha
Helix 36	36	C	289	293	Right-handed 310
Helix 37	37	C	295	306	Right-handed alpha
Helix 38	38	C	309	313	Right-handed 310
Helix 39	39	C	315	320	Right-handed alpha
Helix 40	40	C	322	327	Right-handed alpha
Helix 41	41	C	328	331	Right-handed 310
Helix 42	42	C	337	344	Right-handed alpha
Helix 43	43	D	58	61	Right-handed 310
Helix 44	44	D	98	111	Right-handed alpha
Helix 45	45	D	159	180	Right-handed alpha
Helix 46	46	D	188	190	Right-handed 310
Helix 47	47	D	240	242	Right-handed 310
Helix 48	48	D	243	258	Right-handed alpha
Helix 49	49	D	274	282	Right-handed alpha
Helix 50	50	D	295	306	Right-handed alpha
Helix 51	51	D	315	320	Right-handed alpha
Helix 52	52	D	322	327	Right-handed alpha
Helix 53	53	D	337	342	Right-handed alpha
Helix 54	54	E	58	61	Right-handed 310
Helix 55	55	E	98	112	Right-handed alpha
Helix 56	56	E	145	152	Right-handed alpha
Helix 57	57	E	159	180	Right-handed alpha
Helix 58	58	E	188	190	Right-handed 310
Helix 59	59	E	231	235	Right-handed 310
Helix 60	60	E	241	259	Right-handed alpha
Helix 61	61	E	272	282	Right-handed alpha
Helix 62	62	E	295	306	Right-handed alpha
Helix 63	63	E	309	313	Right-handed 310
Helix 64	64	E	315	321	Right-handed alpha
Helix 65	65	E	322	327	Right-handed alpha
Helix 66	66	E	328	331	Right-handed 310
Helix 67	67	E	337	344	Right-handed alpha
Helix 68	68	F	58	61	Right-handed 310
Helix 69	69	F	98	112	Right-handed alpha
Helix 70	70	F	146	151	Right-handed alpha
Helix 71	71	F	159	180	Right-handed alpha
Helix 72	72	F	188	190	Right-handed 310
Helix 73	73	F	242	259	Right-handed alpha
Helix 74	74	F	271	282	Right-handed alpha
Helix 75	75	F	295	306	Right-handed alpha
Helix 76	76	F	309	313	Right-handed 310
Helix 77	77	F	315	321	Right-handed alpha
Helix 78	78	F	322	327	Right-handed alpha
Helix 79	79	F	328	331	Right-handed 310
Helix 80	80	F	337	345	Right-handed alpha
Helix 81	81	G	44	46	Right-handed 310
Helix 82	82	G	58	62	Right-handed alpha
Helix 83	83	G	98	112	Right-handed alpha
Helix 84	84	G	146	150	Right-handed 310
Helix 85	85	G	159	180	Right-handed alpha
Helix 86	86	G	188	190	Right-handed 310
Helix 87	87	G	240	242	Right-handed 310
Helix 88	88	G	243	259	Right-handed alpha
Helix 89	89	G	274	282	Right-handed alpha
Helix 90	90	G	297	306	Right-handed alpha
Helix 91	91	G	309	313	Right-handed 310
Helix 92	92	G	315	321	Right-handed alpha
Helix 93	93	G	322	327	Right-handed alpha
Helix 94	94	H	58	61	Right-handed 310
Helix 95	95	H	98	112	Right-handed alpha
Helix 96	96	H	146	152	Right-handed alpha
Helix 97	97	H	159	180	Right-handed alpha
Helix 98	98	H	188	190	Right-handed 310
Helix 99	99	H	231	236	Right-handed alpha
Helix 100	100	H	242	259	Right-handed alpha
Helix 101	101	H	272	282	Right-handed alpha
Helix 102	102	H	295	306	Right-handed alpha
Helix 103	103	H	309	313	Right-handed 310
Helix 104	104	H	315	322	Right-handed alpha
Helix 105	105	H	322	327	Right-handed alpha
Helix 106	106	H	328	331	Right-handed 310
Helix 107	107	H	337	345	Right-handed alpha
Helix 108	108	H	346	349	Right-handed 310
Helix 109	109	I	58	62	Right-handed alpha
Helix 110	110	I	98	112	Right-handed alpha
Helix 111	111	I	146	152	Right-handed alpha
Helix 112	112	I	153	157	Right-handed 310
Helix 113	113	I	159	180	Right-handed alpha
Helix 114	114	I	188	190	Right-handed 310
Helix 115	115	I	231	235	Right-handed 310
Helix 116	116	I	241	259	Right-handed alpha
Helix 117	117	I	271	282	Right-handed alpha
Helix 118	118	I	295	306	Right-handed alpha
Helix 119	119	I	309	313	Right-handed 310
Helix 120	120	I	315	321	Right-handed alpha
Helix 121	121	I	322	327	Right-handed alpha
Helix 122	122	I	328	331	Right-handed 310
Helix 123	123	I	337	344	Right-handed alpha
Helix 124	124	I	349	355	Right-handed alpha
Helix 125	125	J	58	61	Right-handed 310
Helix 126	126	J	98	112	Right-handed alpha
Helix 127	127	J	145	151	Right-handed alpha
Helix 128	128	J	159	180	Right-handed alpha
Helix 129	129	J	188	190	Right-handed 310
Helix 130	130	J	242	259	Right-handed alpha
Helix 131	131	J	273	282	Right-handed alpha
Helix 132	132	J	295	306	Right-handed alpha
Helix 133	133	J	309	313	Right-handed 310
Helix 134	134	J	315	322	Right-handed alpha
Helix 135	135	J	322	327	Right-handed alpha
Helix 136	136	J	337	345	Right-handed alpha
Helix 137	137	K	58	62	Right-handed alpha
Helix 138	138	K	98	112	Right-handed alpha
Helix 139	139	K	159	180	Right-handed alpha
Helix 140	140	K	188	190	Right-handed 310
Helix 141	141	K	240	242	Right-handed 310
Helix 142	142	K	243	259	Right-handed alpha
Helix 143	143	K	274	282	Right-handed alpha
Helix 144	144	K	295	304	Right-handed alpha
Helix 145	145	K	315	321	Right-handed alpha
Helix 146	146	K	322	327	Right-handed alpha
Helix 147	147	K	328	331	Right-handed 310
Helix 148	148	K	337	343	Right-handed alpha
Helix 149	149	L	58	61	Right-handed 310
Helix 150	150	L	99	111	Right-handed alpha
Helix 151	151	L	112	114	Right-handed 310
Helix 152	152	L	146	153	Right-handed alpha
Helix 153	153	L	159	180	Right-handed alpha
Helix 154	154	L	188	190	Right-handed 310
Helix 155	155	L	231	235	Right-handed 310
Helix 156	156	L	241	259	Right-handed alpha
Helix 157	157	L	272	282	Right-handed alpha
Helix 158	158	L	295	306	Right-handed alpha
Helix 159	159	L	309	313	Right-handed 310
Helix 160	160	L	315	322	Right-handed alpha
Helix 161	161	L	322	327	Right-handed alpha
Helix 162	162	L	328	331	Right-handed 310
Helix 163	163	L	337	345	Right-handed alpha

There are 36 sheets in PDB entry 3KC3. 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, AJ,

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	48	49	first strand
Strand 2	C	120	128	anti-parallel
Strand 3	C	131	139	anti-parallel
Strand 4	C	89	96	anti-parallel
Strand 5	C	79	83	anti-parallel
Strand 6	C	63	69	anti-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	A	63	71	first strand
Strand 2	A	78	83	anti-parallel
Strand 3	A	89	96	anti-parallel
Strand 4	A	131	139	anti-parallel
Strand 5	A	120	128	anti-parallel
Strand 6	B	49	50	anti-parallel

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There are 3 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	144	145	first strand
Strand 2	A	192	194	anti-parallel
Strand 3	A	203	205	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	182	183	first strand
Strand 2	A	212	213	anti-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	B	54	55	first strand
Strand 2	B	120	128	parallel
Strand 3	B	131	139	anti-parallel
Strand 4	B	89	96	anti-parallel
Strand 5	B	78	83	anti-parallel
Strand 6	B	63	71	anti-parallel

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There are 3 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	54	55	first strand
Strand 2	B	120	128	parallel
Strand 3	C	48	50	anti-parallel

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There are 2 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	182	183	first strand
Strand 2	B	212	213	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	192	194	first strand
Strand 2	B	203	205	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	C	144	145	first strand
Strand 2	C	192	194	anti-parallel
Strand 3	C	203	205	anti-parallel

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There are 2 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	182	183	first strand
Strand 2	C	212	213	anti-parallel

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There are 6 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	48	50	first strand
Strand 2	F	120	128	anti-parallel
Strand 3	F	131	139	anti-parallel
Strand 4	F	89	96	anti-parallel
Strand 5	F	76	83	anti-parallel
Strand 6	F	63	73	anti-parallel

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There are 6 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	63	69	first strand
Strand 2	D	78	83	anti-parallel
Strand 3	D	89	96	anti-parallel
Strand 4	D	131	139	anti-parallel
Strand 5	D	120	128	anti-parallel
Strand 6	E	48	49	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	182	183	first strand
Strand 2	D	212	213	anti-parallel

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There are 2 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	192	194	first strand
Strand 2	D	203	205	anti-parallel

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There are 6 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	63	71	first strand
Strand 2	E	78	83	anti-parallel
Strand 3	E	89	96	anti-parallel
Strand 4	E	131	139	anti-parallel
Strand 5	E	120	128	anti-parallel
Strand 6	F	48	50	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	E	182	183	first strand
Strand 2	E	212	213	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	192	194	first strand
Strand 2	E	203	205	anti-parallel

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There are 3 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	144	145	first strand
Strand 2	F	192	194	anti-parallel
Strand 3	F	203	205	anti-parallel

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There are 3 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	48	50	first strand
Strand 2	I	120	128	anti-parallel
Strand 3	I	54	55	parallel

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There are 6 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	48	50	first strand
Strand 2	I	120	128	anti-parallel
Strand 3	I	131	139	anti-parallel
Strand 4	I	89	96	anti-parallel
Strand 5	I	78	83	anti-parallel
Strand 6	I	63	69	anti-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	G	63	69	first strand
Strand 2	G	79	83	anti-parallel
Strand 3	G	89	96	anti-parallel
Strand 4	G	132	138	anti-parallel
Strand 5	G	120	128	anti-parallel
Strand 6	H	48	50	anti-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	G	182	183	first strand
Strand 2	G	212	213	anti-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	G	192	194	first strand
Strand 2	G	203	205	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	63	71	first strand
Strand 2	H	78	83	anti-parallel
Strand 3	H	89	96	anti-parallel
Strand 4	H	131	139	anti-parallel
Strand 5	H	120	128	anti-parallel
Strand 6	I	48	50	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	144	145	first strand
Strand 2	H	192	194	anti-parallel
Strand 3	H	203	205	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	182	183	first strand
Strand 2	H	212	213	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	144	145	first strand
Strand 2	I	192	194	anti-parallel
Strand 3	I	203	205	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	I	182	183	first strand
Strand 2	I	212	213	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	J	48	50	first strand
Strand 2	L	120	128	anti-parallel
Strand 3	L	131	139	anti-parallel
Strand 4	L	89	96	anti-parallel
Strand 5	L	78	83	anti-parallel
Strand 6	L	63	71	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	J	63	71	first strand
Strand 2	J	78	83	anti-parallel
Strand 3	J	89	96	anti-parallel
Strand 4	J	131	138	anti-parallel
Strand 5	J	120	128	anti-parallel
Strand 6	K	48	50	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	J	182	183	first strand
Strand 2	J	212	213	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	J	192	194	first strand
Strand 2	J	203	205	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	K	63	65	first strand
Strand 2	K	79	83	anti-parallel
Strand 3	K	90	96	anti-parallel
Strand 4	K	131	139	anti-parallel
Strand 5	K	120	128	anti-parallel
Strand 6	L	48	50	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	K	192	194	first strand
Strand 2	K	203	205	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	L	144	145	first strand
Strand 2	L	192	194	anti-parallel
Strand 3	L	203	205	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	L	182	183	first strand
Strand 2	L	212	213	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: 3KC3

Analysis of interatomic Contacts of Structural Units in PDB entry:
3KC3