Analysis of interatomic Contacts of Structural Units in PDB entry:
4RX2

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 4RX2 entry

There are 8 chains in PDB entry 4RX2 (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	HIS 26	TRP 290
B	HIS 26	TRP 290
C	HIS 26	TRP 290
D	HIS 26	TRP 290
E	HIS 26	TRP 290
F	HIS 26	TRP 290
G	HIS 26	TRP 290
H	HIS 26	TRP 290

There are 85 helices in PDB entry 4RX2. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	26	41	Right-handed alpha
Helix 2	2	A	71	86	Right-handed alpha
Helix 3	3	A	98	102	Right-handed 310
Helix 4	4	A	108	113	Right-handed 310
Helix 5	5	A	119	130	Right-handed alpha
Helix 6	6	A	131	143	Right-handed alpha
Helix 7	7	A	144	155	Right-handed alpha
Helix 8	8	A	182	196	Right-handed alpha
Helix 9	9	A	200	213	Right-handed alpha
Helix 10	10	A	220	225	Right-handed 310
Helix 11	11	A	240	242	Right-handed 310
Helix 12	12	A	271	289	Right-handed alpha
Helix 13	13	B	27	41	Right-handed alpha
Helix 14	14	B	71	86	Right-handed alpha
Helix 15	15	B	98	102	Right-handed 310
Helix 16	16	B	108	112	Right-handed 310
Helix 17	17	B	119	129	Right-handed alpha
Helix 18	18	B	131	143	Right-handed alpha
Helix 19	19	B	144	155	Right-handed alpha
Helix 20	20	B	182	196	Right-handed alpha
Helix 21	21	B	200	213	Right-handed alpha
Helix 22	22	B	220	225	Right-handed 310
Helix 23	23	B	271	289	Right-handed alpha
Helix 24	24	C	27	41	Right-handed alpha
Helix 25	25	C	71	86	Right-handed alpha
Helix 26	26	C	108	112	Right-handed 310
Helix 27	27	C	119	130	Right-handed alpha
Helix 28	28	C	131	143	Right-handed alpha
Helix 29	29	C	144	155	Right-handed alpha
Helix 30	30	C	182	196	Right-handed alpha
Helix 31	31	C	200	213	Right-handed alpha
Helix 32	32	C	220	225	Right-handed 310
Helix 33	33	C	271	289	Right-handed alpha
Helix 34	34	D	27	41	Right-handed alpha
Helix 35	35	D	71	87	Right-handed alpha
Helix 36	36	D	108	112	Right-handed 310
Helix 37	37	D	119	130	Right-handed alpha
Helix 38	38	D	131	143	Right-handed alpha
Helix 39	39	D	144	155	Right-handed alpha
Helix 40	40	D	182	196	Right-handed alpha
Helix 41	41	D	200	213	Right-handed alpha
Helix 42	42	D	220	225	Right-handed 310
Helix 43	43	D	271	289	Right-handed alpha
Helix 44	44	E	27	41	Right-handed alpha
Helix 45	45	E	71	86	Right-handed alpha
Helix 46	46	E	108	112	Right-handed 310
Helix 47	47	E	119	129	Right-handed alpha
Helix 48	48	E	131	142	Right-handed alpha
Helix 49	49	E	144	155	Right-handed alpha
Helix 50	50	E	182	196	Right-handed alpha
Helix 51	51	E	200	213	Right-handed alpha
Helix 52	52	E	220	225	Right-handed 310
Helix 53	53	E	271	289	Right-handed alpha
Helix 54	54	F	27	41	Right-handed alpha
Helix 55	55	F	71	86	Right-handed alpha
Helix 56	56	F	98	102	Right-handed 310
Helix 57	57	F	108	112	Right-handed 310
Helix 58	58	F	119	129	Right-handed alpha
Helix 59	59	F	131	143	Right-handed alpha
Helix 60	60	F	144	155	Right-handed alpha
Helix 61	61	F	182	196	Right-handed alpha
Helix 62	62	F	200	213	Right-handed alpha
Helix 63	63	F	220	225	Right-handed 310
Helix 64	64	F	271	289	Right-handed alpha
Helix 65	65	G	27	41	Right-handed alpha
Helix 66	66	G	71	86	Right-handed alpha
Helix 67	67	G	98	102	Right-handed 310
Helix 68	68	G	108	112	Right-handed 310
Helix 69	69	G	119	129	Right-handed alpha
Helix 70	70	G	131	143	Right-handed alpha
Helix 71	71	G	144	155	Right-handed alpha
Helix 72	72	G	182	196	Right-handed alpha
Helix 73	73	G	200	213	Right-handed alpha
Helix 74	74	G	220	225	Right-handed 310
Helix 75	75	G	271	289	Right-handed alpha
Helix 76	76	H	27	41	Right-handed alpha
Helix 77	77	H	71	86	Right-handed alpha
Helix 78	78	H	108	112	Right-handed 310
Helix 79	79	H	119	129	Right-handed alpha
Helix 80	80	H	131	143	Right-handed alpha
Helix 81	81	H	144	155	Right-handed alpha
Helix 82	82	H	182	196	Right-handed alpha
Helix 83	83	H	200	213	Right-handed alpha
Helix 84	84	H	220	225	Right-handed 310
Helix 85	85	H	271	289	Right-handed alpha

There are 24 sheets in PDB entry 4RX2. 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,

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	56	60	first strand
Strand 2	A	43	50	anti-parallel
Strand 3	A	259	266	anti-parallel
Strand 4	A	243	251	anti-parallel
Strand 5	A	230	238	anti-parallel

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There are 2 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	66	67	first strand
Strand 2	A	180	181	anti-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	94	95	first strand
Strand 2	A	117	118	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	56	60	first strand
Strand 2	B	43	50	anti-parallel
Strand 3	B	259	266	anti-parallel
Strand 4	B	244	251	anti-parallel
Strand 5	B	230	237	anti-parallel

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There are 2 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	66	67	first strand
Strand 2	B	180	181	anti-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	94	95	first strand
Strand 2	B	117	118	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	56	60	first strand
Strand 2	C	43	50	anti-parallel
Strand 3	C	259	266	anti-parallel
Strand 4	C	243	251	anti-parallel
Strand 5	C	230	238	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	C	66	67	first strand
Strand 2	C	180	181	anti-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	94	95	first strand
Strand 2	C	117	118	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	56	60	first strand
Strand 2	D	43	50	anti-parallel
Strand 3	D	259	266	anti-parallel
Strand 4	D	244	251	anti-parallel
Strand 5	D	230	237	anti-parallel

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There are 2 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	66	67	first strand
Strand 2	D	180	181	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	D	94	95	first strand
Strand 2	D	117	118	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	56	58	first strand
Strand 2	E	43	50	anti-parallel
Strand 3	E	259	266	anti-parallel
Strand 4	E	244	251	anti-parallel
Strand 5	E	230	237	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	E	66	67	first strand
Strand 2	E	180	181	anti-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	94	95	first strand
Strand 2	E	117	118	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	56	60	first strand
Strand 2	F	43	50	anti-parallel
Strand 3	F	259	266	anti-parallel
Strand 4	F	244	251	anti-parallel
Strand 5	F	230	237	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	F	66	67	first strand
Strand 2	F	180	181	anti-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	94	95	first strand
Strand 2	F	117	118	anti-parallel

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There are 4 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	43	50	first strand
Strand 2	G	259	266	anti-parallel
Strand 3	G	244	251	anti-parallel
Strand 4	G	230	237	anti-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	G	66	67	first strand
Strand 2	G	180	181	anti-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	94	95	first strand
Strand 2	G	117	118	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	56	60	first strand
Strand 2	H	43	50	anti-parallel
Strand 3	H	259	266	anti-parallel
Strand 4	H	244	251	anti-parallel
Strand 5	H	230	237	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	H	66	67	first strand
Strand 2	H	180	181	anti-parallel

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There are 2 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	94	95	first strand
Strand 2	H	117	118	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: 4RX2

Analysis of interatomic Contacts of Structural Units in PDB entry:
4RX2