Analysis of interatomic Contacts of Structural Units in PDB entry:
2D3B

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 2D3B entry

There are 10 chains in PDB entry 2D3B (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	CYS 3	LYS 355
B	CYS 3	LYS 355
C	CYS 3	LYS 355
D	CYS 3	LYS 355
E	CYS 3	LYS 355
F	CYS 3	LYS 355
G	CYS 3	LYS 355
H	CYS 3	LYS 355
I	CYS 3	LYS 355
J	CYS 3	LYS 355

There are130 helices in PDB entry 2D3B. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	4	9	Right-handed alpha
Helix 2	2	A	11	15	Right-handed 310
Helix 3	3	A	46	50	Right-handed 310
Helix 4	4	A	105	116	Right-handed alpha
Helix 5	5	A	116	121	Right-handed alpha
Helix 6	6	A	168	183	Right-handed alpha
Helix 7	7	A	207	229	Right-handed alpha
Helix 8	8	A	254	259	Right-handed alpha
Helix 9	9	A	262	276	Right-handed alpha
Helix 10	10	A	276	282	Right-handed alpha
Helix 11	11	A	287	291	Right-handed 310
Helix 12	12	A	318	324	Right-handed alpha
Helix 13	13	A	339	352	Right-handed alpha
Helix 14	14	B	3	9	Right-handed alpha
Helix 15	15	B	11	15	Right-handed 310
Helix 16	16	B	46	50	Right-handed 310
Helix 17	17	B	105	116	Right-handed alpha
Helix 18	18	B	116	121	Right-handed alpha
Helix 19	19	B	168	183	Right-handed alpha
Helix 20	20	B	207	229	Right-handed alpha
Helix 21	21	B	254	259	Right-handed alpha
Helix 22	22	B	262	276	Right-handed alpha
Helix 23	23	B	276	282	Right-handed alpha
Helix 24	24	B	287	291	Right-handed 310
Helix 25	25	B	318	324	Right-handed alpha
Helix 26	26	B	339	352	Right-handed alpha
Helix 27	27	C	4	9	Right-handed alpha
Helix 28	28	C	11	15	Right-handed 310
Helix 29	29	C	46	50	Right-handed 310
Helix 30	30	C	105	116	Right-handed alpha
Helix 31	31	C	116	123	Right-handed alpha
Helix 32	32	C	168	183	Right-handed alpha
Helix 33	33	C	207	229	Right-handed alpha
Helix 34	34	C	254	259	Right-handed alpha
Helix 35	35	C	262	276	Right-handed alpha
Helix 36	36	C	276	282	Right-handed alpha
Helix 37	37	C	287	291	Right-handed 310
Helix 38	38	C	318	324	Right-handed alpha
Helix 39	39	C	339	352	Right-handed alpha
Helix 40	40	D	3	9	Right-handed alpha
Helix 41	41	D	46	50	Right-handed 310
Helix 42	42	D	105	116	Right-handed alpha
Helix 43	43	D	116	121	Right-handed alpha
Helix 44	44	D	168	183	Right-handed alpha
Helix 45	45	D	207	229	Right-handed alpha
Helix 46	46	D	254	259	Right-handed alpha
Helix 47	47	D	262	276	Right-handed alpha
Helix 48	48	D	276	282	Right-handed alpha
Helix 49	49	D	287	291	Right-handed 310
Helix 50	50	D	318	324	Right-handed alpha
Helix 51	51	D	339	352	Right-handed alpha
Helix 52	52	E	3	9	Right-handed alpha
Helix 53	53	E	11	15	Right-handed 310
Helix 54	54	E	46	50	Right-handed 310
Helix 55	55	E	105	116	Right-handed alpha
Helix 56	56	E	116	121	Right-handed alpha
Helix 57	57	E	168	183	Right-handed alpha
Helix 58	58	E	207	229	Right-handed alpha
Helix 59	59	E	254	259	Right-handed alpha
Helix 60	60	E	262	276	Right-handed alpha
Helix 61	61	E	276	282	Right-handed alpha
Helix 62	62	E	287	291	Right-handed 310
Helix 63	63	E	318	324	Right-handed alpha
Helix 64	64	E	339	352	Right-handed alpha
Helix 65	65	F	3	9	Right-handed alpha
Helix 66	66	F	11	15	Right-handed 310
Helix 67	67	F	46	50	Right-handed 310
Helix 68	68	F	58	60	Right-handed 310
Helix 69	69	F	105	116	Right-handed alpha
Helix 70	70	F	116	121	Right-handed alpha
Helix 71	71	F	168	183	Right-handed alpha
Helix 72	72	F	207	229	Right-handed alpha
Helix 73	73	F	254	259	Right-handed alpha
Helix 74	74	F	262	276	Right-handed alpha
Helix 75	75	F	276	282	Right-handed alpha
Helix 76	76	F	287	291	Right-handed 310
Helix 77	77	F	318	324	Right-handed alpha
Helix 78	78	F	339	352	Right-handed alpha
Helix 79	79	G	3	9	Right-handed alpha
Helix 80	80	G	46	50	Right-handed 310
Helix 81	81	G	105	116	Right-handed alpha
Helix 82	82	G	116	121	Right-handed alpha
Helix 83	83	G	168	183	Right-handed alpha
Helix 84	84	G	207	229	Right-handed alpha
Helix 85	85	G	254	259	Right-handed alpha
Helix 86	86	G	262	276	Right-handed alpha
Helix 87	87	G	276	282	Right-handed alpha
Helix 88	88	G	287	292	Right-handed alpha
Helix 89	89	G	318	324	Right-handed alpha
Helix 90	90	G	339	352	Right-handed alpha
Helix 91	91	H	3	9	Right-handed alpha
Helix 92	92	H	11	15	Right-handed 310
Helix 93	93	H	46	50	Right-handed 310
Helix 94	94	H	105	116	Right-handed alpha
Helix 95	95	H	116	121	Right-handed alpha
Helix 96	96	H	168	183	Right-handed alpha
Helix 97	97	H	207	229	Right-handed alpha
Helix 98	98	H	254	259	Right-handed alpha
Helix 99	99	H	262	276	Right-handed alpha
Helix 100	100	H	276	282	Right-handed alpha
Helix 101	101	H	287	291	Right-handed 310
Helix 102	102	H	318	324	Right-handed alpha
Helix 103	103	H	339	352	Right-handed alpha
Helix 104	104	I	4	9	Right-handed alpha
Helix 105	105	I	11	15	Right-handed 310
Helix 106	106	I	46	50	Right-handed 310
Helix 107	107	I	58	60	Right-handed 310
Helix 108	108	I	105	116	Right-handed alpha
Helix 109	109	I	116	123	Right-handed alpha
Helix 110	110	I	168	183	Right-handed alpha
Helix 111	111	I	207	229	Right-handed alpha
Helix 112	112	I	254	259	Right-handed alpha
Helix 113	113	I	262	276	Right-handed alpha
Helix 114	114	I	276	282	Right-handed alpha
Helix 115	115	I	287	291	Right-handed 310
Helix 116	116	I	318	324	Right-handed alpha
Helix 117	117	I	339	352	Right-handed alpha
Helix 118	118	J	3	9	Right-handed alpha
Helix 119	119	J	11	15	Right-handed 310
Helix 120	120	J	46	50	Right-handed 310
Helix 121	121	J	105	116	Right-handed alpha
Helix 122	122	J	116	123	Right-handed alpha
Helix 123	123	J	168	183	Right-handed alpha
Helix 124	124	J	207	229	Right-handed alpha
Helix 125	125	J	254	259	Right-handed alpha
Helix 126	126	J	262	276	Right-handed alpha
Helix 127	127	J	276	282	Right-handed alpha
Helix 128	128	J	287	291	Right-handed 310
Helix 129	129	J	318	324	Right-handed alpha
Helix 130	130	J	339	352	Right-handed alpha

There are 20 sheets in PDB entry 2D3B. 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,

There are 9 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	53	56	first strand
Strand 2	A	69	79	anti-parallel
Strand 3	A	88	95	anti-parallel
Strand 4	A	19	26	parallel
Strand 5	A	33	40	anti-parallel
Strand 6	D	188	191	anti-parallel
Strand 7	D	197	206	anti-parallel
Strand 8	D	125	136	anti-parallel
Strand 9	D	230	233	anti-parallel

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There are 12 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	53	56	first strand
Strand 2	A	69	79	anti-parallel
Strand 3	A	88	95	anti-parallel
Strand 4	A	19	26	parallel
Strand 5	A	33	40	anti-parallel
Strand 6	D	188	191	anti-parallel
Strand 7	D	197	206	anti-parallel
Strand 8	D	125	136	anti-parallel
Strand 9	D	248	253	anti-parallel
Strand 10	D	329	331	anti-parallel
Strand 11	D	315	316	anti-parallel
Strand 12	D	306	307	parallel

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There are 6 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	230	233	first strand
Strand 2	A	125	136	anti-parallel
Strand 3	A	248	253	anti-parallel
Strand 4	A	329	331	anti-parallel
Strand 5	A	315	316	anti-parallel
Strand 6	A	306	307	parallel

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There are 9 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	230	233	first strand
Strand 2	A	125	136	anti-parallel
Strand 3	A	197	206	anti-parallel
Strand 4	A	188	191	anti-parallel
Strand 5	B	33	40	anti-parallel
Strand 6	B	19	26	anti-parallel
Strand 7	B	88	95	parallel
Strand 8	B	69	79	anti-parallel
Strand 9	B	53	56	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	230	233	first strand
Strand 2	B	125	136	anti-parallel
Strand 3	B	248	253	anti-parallel
Strand 4	B	329	331	anti-parallel
Strand 5	B	315	316	anti-parallel
Strand 6	B	306	307	parallel

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There are 9 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	230	233	first strand
Strand 2	B	125	136	anti-parallel
Strand 3	B	197	206	anti-parallel
Strand 4	B	188	191	anti-parallel
Strand 5	C	33	40	anti-parallel
Strand 6	C	19	26	anti-parallel
Strand 7	C	88	95	parallel
Strand 8	C	69	79	anti-parallel
Strand 9	C	53	56	anti-parallel

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There are 6 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	230	233	first strand
Strand 2	C	125	136	anti-parallel
Strand 3	C	248	253	anti-parallel
Strand 4	C	329	331	anti-parallel
Strand 5	C	315	316	anti-parallel
Strand 6	C	306	307	parallel

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There are 9 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	230	233	first strand
Strand 2	C	125	136	anti-parallel
Strand 3	C	197	206	anti-parallel
Strand 4	C	188	191	anti-parallel
Strand 5	E	33	40	anti-parallel
Strand 6	E	19	26	anti-parallel
Strand 7	E	88	95	parallel
Strand 8	E	69	79	anti-parallel
Strand 9	E	53	56	anti-parallel

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There are 9 strands in I sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	53	56	first strand
Strand 2	D	69	79	anti-parallel
Strand 3	D	88	95	anti-parallel
Strand 4	D	19	26	parallel
Strand 5	D	33	40	anti-parallel
Strand 6	E	188	191	anti-parallel
Strand 7	E	197	206	anti-parallel
Strand 8	E	125	136	anti-parallel
Strand 9	E	230	233	anti-parallel

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There are 12 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	53	56	first strand
Strand 2	D	69	79	anti-parallel
Strand 3	D	88	95	anti-parallel
Strand 4	D	19	26	parallel
Strand 5	D	33	40	anti-parallel
Strand 6	E	188	191	anti-parallel
Strand 7	E	197	206	anti-parallel
Strand 8	E	125	136	anti-parallel
Strand 9	E	248	253	anti-parallel
Strand 10	E	329	331	anti-parallel
Strand 11	E	315	316	anti-parallel
Strand 12	E	306	307	parallel

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There are 9 strands in K sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	53	56	first strand
Strand 2	F	69	79	anti-parallel
Strand 3	F	88	95	anti-parallel
Strand 4	F	19	26	parallel
Strand 5	F	33	40	anti-parallel
Strand 6	I	188	191	anti-parallel
Strand 7	I	197	206	anti-parallel
Strand 8	I	125	136	anti-parallel
Strand 9	I	230	233	anti-parallel

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There are 12 strands in L sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	53	56	first strand
Strand 2	F	69	79	anti-parallel
Strand 3	F	88	95	anti-parallel
Strand 4	F	19	26	parallel
Strand 5	F	33	40	anti-parallel
Strand 6	I	188	191	anti-parallel
Strand 7	I	197	206	anti-parallel
Strand 8	I	125	136	anti-parallel
Strand 9	I	248	253	anti-parallel
Strand 10	I	329	331	anti-parallel
Strand 11	I	315	316	anti-parallel
Strand 12	I	306	307	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	F	230	233	first strand
Strand 2	F	125	136	anti-parallel
Strand 3	F	248	253	anti-parallel
Strand 4	F	329	331	anti-parallel
Strand 5	F	315	316	anti-parallel
Strand 6	F	306	307	parallel

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There are 9 strands in N sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	230	233	first strand
Strand 2	F	125	136	anti-parallel
Strand 3	F	197	206	anti-parallel
Strand 4	F	188	191	anti-parallel
Strand 5	G	33	40	anti-parallel
Strand 6	G	19	26	anti-parallel
Strand 7	G	88	95	parallel
Strand 8	G	69	79	anti-parallel
Strand 9	G	53	56	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	G	230	233	first strand
Strand 2	G	125	136	anti-parallel
Strand 3	G	248	253	anti-parallel
Strand 4	G	329	331	anti-parallel
Strand 5	G	315	316	anti-parallel
Strand 6	G	306	307	parallel

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There are 9 strands in P sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	230	233	first strand
Strand 2	G	125	136	anti-parallel
Strand 3	G	197	206	anti-parallel
Strand 4	G	188	191	anti-parallel
Strand 5	H	33	40	anti-parallel
Strand 6	H	19	26	anti-parallel
Strand 7	H	88	95	parallel
Strand 8	H	69	79	anti-parallel
Strand 9	H	53	56	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	230	233	first strand
Strand 2	H	125	136	anti-parallel
Strand 3	H	248	253	anti-parallel
Strand 4	H	329	331	anti-parallel
Strand 5	H	315	316	anti-parallel
Strand 6	H	306	307	parallel

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There are 9 strands in R sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	230	233	first strand
Strand 2	H	125	136	anti-parallel
Strand 3	H	197	206	anti-parallel
Strand 4	H	188	191	anti-parallel
Strand 5	J	33	40	anti-parallel
Strand 6	J	19	26	anti-parallel
Strand 7	J	88	95	parallel
Strand 8	J	69	79	anti-parallel
Strand 9	J	53	56	anti-parallel

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There are 9 strands in S sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	53	56	first strand
Strand 2	I	69	79	anti-parallel
Strand 3	I	88	95	anti-parallel
Strand 4	I	19	26	parallel
Strand 5	I	33	40	anti-parallel
Strand 6	J	186	191	anti-parallel
Strand 7	J	197	206	anti-parallel
Strand 8	J	125	136	anti-parallel
Strand 9	J	230	233	anti-parallel

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There are 12 strands in T sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	53	56	first strand
Strand 2	I	69	79	anti-parallel
Strand 3	I	88	95	anti-parallel
Strand 4	I	19	26	parallel
Strand 5	I	33	40	anti-parallel
Strand 6	J	186	191	anti-parallel
Strand 7	J	197	206	anti-parallel
Strand 8	J	125	136	anti-parallel
Strand 9	J	248	253	anti-parallel
Strand 10	J	329	331	anti-parallel
Strand 11	J	315	316	anti-parallel
Strand 12	J	306	307	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: 2D3B

Analysis of interatomic Contacts of Structural Units in PDB entry:
2D3B