Analysis of interatomic Contacts of Structural Units in PDB entry:
4B3R

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 4B3R entry

There are 23 chains in PDB entry 4B3R (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	U 5	U 1544
B	VAL 1	GLU 235
C	GLY 1	ILE 207
D	GLY 1	ARG 208
E	ASP 1	GLU 151
F	MET 1	ALA 101
G	ALA 1	TRP 155
H	MET 1	TRP 138
I	GLU 1	ARG 127
J	LYS 1	VAL 99
K	LYS 1	SER 119
L	PRO 1	ALA 125
M	ALA 1	LYS 125
N	ALA 1	TRP 60
O	PRO 1	GLY 88
P	MET 1	ALA 84
Q	PRO 1	ALA 104
R	PRO 1	LYS 73
S	PRO 2	GLY 82
T	ARG 1	ALA 99
V	GLY 2	LYS 26
W	U 1	A 4
Z	G 28	C 42

There are 86 helices in PDB entry 4B3R. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	B	19	24	Right-handed 310
Helix 2	2	B	37	57	Right-handed alpha
Helix 3	3	B	71	79	Right-handed alpha
Helix 4	4	B	98	116	Right-handed alpha
Helix 5	5	B	127	143	Right-handed alpha
Helix 6	6	B	164	174	Right-handed alpha
Helix 7	7	B	187	191	Right-handed 310
Helix 8	8	B	201	221	Right-handed alpha
Helix 9	9	C	7	11	Right-handed 310
Helix 10	10	C	27	46	Right-handed alpha
Helix 11	11	C	71	77	Right-handed alpha
Helix 12	12	C	81	94	Right-handed alpha
Helix 13	13	C	107	110	Right-handed 310
Helix 14	14	C	111	125	Right-handed alpha
Helix 15	15	C	128	143	Right-handed alpha
Helix 16	16	C	155	159	Right-handed 310
Helix 17	17	C	176	179	Right-handed 310
Helix 18	18	D	9	14	Right-handed alpha
Helix 19	19	D	51	68	Right-handed alpha
Helix 20	20	D	70	84	Right-handed alpha
Helix 21	21	D	87	98	Right-handed alpha
Helix 22	22	D	99	107	Right-handed alpha
Helix 23	23	D	112	122	Right-handed alpha
Helix 24	24	D	154	164	Right-handed alpha
Helix 25	25	D	198	207	Right-handed alpha
Helix 26	26	E	46	60	Right-handed alpha
Helix 27	27	E	99	109	Right-handed alpha
Helix 28	28	E	123	138	Right-handed alpha
Helix 29	29	E	140	149	Right-handed alpha
Helix 30	30	F	15	32	Right-handed alpha
Helix 31	31	F	68	70	Right-handed 310
Helix 32	32	F	71	81	Right-handed alpha
Helix 33	33	G	19	30	Right-handed alpha
Helix 34	34	G	34	52	Right-handed alpha
Helix 35	35	G	56	69	Right-handed alpha
Helix 36	36	G	91	108	Right-handed alpha
Helix 37	37	G	114	128	Right-handed alpha
Helix 38	38	G	131	144	Right-handed alpha
Helix 39	39	G	147	153	Right-handed 310
Helix 40	40	H	4	18	Right-handed alpha
Helix 41	41	H	29	42	Right-handed alpha
Helix 42	42	H	52	56	Right-handed 310
Helix 43	43	H	96	100	Right-handed 310
Helix 44	44	H	102	107	Right-handed 310
Helix 45	45	H	121	127	Right-handed alpha
Helix 46	46	I	31	36	Right-handed alpha
Helix 47	47	I	41	45	Right-handed 310
Helix 48	48	I	46	52	Right-handed alpha
Helix 49	49	I	68	88	Right-handed alpha
Helix 50	50	I	91	96	Right-handed alpha
Helix 51	51	I	97	99	Right-handed 310
Helix 52	52	J	10	26	Right-handed alpha
Helix 53	53	J	78	83	Right-handed alpha
Helix 54	54	K	41	46	Right-handed 310
Helix 55	55	K	47	64	Right-handed alpha
Helix 56	56	K	79	90	Right-handed alpha
Helix 57	57	K	112	116	Right-handed 310
Helix 58	58	L	2	10	Right-handed alpha
Helix 59	59	M	13	20	Right-handed alpha
Helix 60	60	M	25	36	Right-handed alpha
Helix 61	61	M	44	47	Right-handed 310
Helix 62	62	M	48	61	Right-handed alpha
Helix 63	63	M	65	83	Right-handed alpha
Helix 64	64	M	85	94	Right-handed alpha
Helix 65	65	M	106	111	Right-handed alpha
Helix 66	66	N	2	10	Right-handed 310
Helix 67	67	N	15	19	Right-handed 310
Helix 68	68	N	39	50	Right-handed alpha
Helix 69	69	O	3	15	Right-handed alpha
Helix 70	70	O	23	45	Right-handed alpha
Helix 71	71	O	48	73	Right-handed alpha
Helix 72	72	O	73	85	Right-handed alpha
Helix 73	73	P	52	63	Right-handed alpha
Helix 74	74	P	67	77	Right-handed alpha
Helix 75	75	Q	80	95	Right-handed alpha
Helix 76	76	R	21	26	Right-handed alpha
Helix 77	77	R	37	42	Right-handed alpha
Helix 78	78	R	44	62	Right-handed alpha
Helix 79	79	S	12	17	Right-handed alpha
Helix 80	80	S	41	45	Right-handed 310
Helix 81	81	S	63	67	Right-handed 310
Helix 82	82	S	71	75	Right-handed 310
Helix 83	83	T	6	39	Right-handed alpha
Helix 84	84	T	41	62	Right-handed alpha
Helix 85	85	T	67	85	Right-handed alpha
Helix 86	86	V	8	16	Right-handed alpha

There are 24 sheets in PDB entry 4B3R. Click on sheet of interest to get list of strands forming it: BA, BB, CA, CB, A, EA, EB, EC, FA, FB, GA, HA, HB, HC, HD, HE, IA, JA, JB, KA, LA, PA, QA, SA,

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	26	30	first strand
Strand 2	B	33	36	anti-parallel

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There are 5 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	86	87	first strand
Strand 2	B	62	65	parallel
Strand 3	B	155	158	parallel
Strand 4	B	178	180	parallel
Strand 5	B	193	194	parallel

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There are 3 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	51	58	first strand
Strand 2	C	63	69	anti-parallel
Strand 3	C	101	104	parallel

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There are 4 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	168	170	first strand
Strand 2	C	147	152	anti-parallel
Strand 3	C	197	202	anti-parallel
Strand 4	C	181	186	anti-parallel

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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	D	130	131	first strand
Strand 2	D	125	127	anti-parallel
Strand 3	D	144	147	anti-parallel
Strand 4	D	181	183	anti-parallel
Strand 5	D	175	176	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	3	10	first strand
Strand 2	E	24	31	anti-parallel
Strand 3	E	36	44	anti-parallel
Strand 4	E	62	64	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	13	16	first strand
Strand 2	E	19	22	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	76	80	first strand
Strand 2	E	83	89	anti-parallel
Strand 3	E	114	120	anti-parallel
Strand 4	E	96	97	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	39	52	first strand
Strand 2	F	55	67	anti-parallel
Strand 3	F	2	10	anti-parallel
Strand 4	F	85	92	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	98	99	first strand
Strand 2	R	14	15	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	72	78	first strand
Strand 2	G	83	89	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	47	51	first strand
Strand 2	H	58	62	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	84	85	first strand
Strand 2	H	131	137	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	94	95	first strand
Strand 2	H	131	137	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	117	120	first strand
Strand 2	H	109	114	anti-parallel
Strand 3	H	131	137	anti-parallel
Strand 4	H	94	95	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	117	120	first strand
Strand 2	H	109	114	anti-parallel
Strand 3	H	131	137	anti-parallel
Strand 4	H	84	85	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	3	4	first strand
Strand 2	I	13	19	anti-parallel
Strand 3	I	59	65	anti-parallel
Strand 4	I	25	27	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	J	37	41	first strand
Strand 2	J	65	68	anti-parallel
Strand 3	J	3	8	anti-parallel
Strand 4	J	92	97	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	J	44	47	first strand
Strand 2	J	59	62	anti-parallel
Strand 3	N	56	57	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	K	29	34	first strand
Strand 2	K	18	23	anti-parallel
Strand 3	K	6	13	anti-parallel
Strand 4	K	69	75	parallel
Strand 5	K	94	100	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	L	78	81	first strand
Strand 2	L	29	39	anti-parallel
Strand 3	L	49	56	anti-parallel
Strand 4	L	61	65	anti-parallel
Strand 5	L	94	95	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	P	49	51	first strand
Strand 2	P	34	39	anti-parallel
Strand 3	P	14	23	anti-parallel
Strand 4	P	2	11	anti-parallel
Strand 5	P	65	66	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	Q	4	14	first strand
Strand 2	Q	55	65	anti-parallel
Strand 3	Q	68	77	anti-parallel
Strand 4	Q	34	44	parallel
Strand 5	Q	17	27	anti-parallel
Strand 6	Q	4	14	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	S	31	33	first strand
Strand 2	S	49	52	parallel
Strand 3	S	57	58	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: 4B3R

Analysis of interatomic Contacts of Structural Units in PDB entry:
4B3R