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

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 2IUB entry

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

Chain ID	Initial residue	Terminal residue
A	ARG 5	LYS 349
B	ARG 5	LYS 349
C	LEU 6	LYS 349
D	ARG 5	LYS 349
E	ARG 5	LYS 349
F	ARG 5	LYS 349
G	ARG 5	LYS 349
H	LEU 6	LYS 349
I	SER 7	LYS 349
J	ARG 5	LYS 349

There are 91 helices in PDB entry 2IUB. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	46	50	Right-handed 310
Helix 2	2	A	50	56	Right-handed 310
Helix 3	3	A	69	80	Right-handed alpha
Helix 4	4	A	83	92	Right-handed alpha
Helix 5	5	A	147	156	Right-handed alpha
Helix 6	6	A	165	199	Right-handed alpha
Helix 7	7	A	204	237	Right-handed alpha
Helix 8	8	A	247	308	Right-handed alpha
Helix 9	9	A	327	343	Right-handed alpha
Helix 10	10	B	46	50	Right-handed 310
Helix 11	11	B	50	56	Right-handed 310
Helix 12	12	B	69	81	Right-handed alpha
Helix 13	13	B	83	92	Right-handed alpha
Helix 14	14	B	147	156	Right-handed alpha
Helix 15	15	B	165	199	Right-handed alpha
Helix 16	16	B	204	237	Right-handed alpha
Helix 17	17	B	243	308	Right-handed alpha
Helix 18	18	B	327	343	Right-handed alpha
Helix 19	19	C	46	50	Right-handed 310
Helix 20	20	C	50	56	Right-handed 310
Helix 21	21	C	69	80	Right-handed alpha
Helix 22	22	C	83	92	Right-handed alpha
Helix 23	23	C	147	156	Right-handed alpha
Helix 24	24	C	165	199	Right-handed alpha
Helix 25	25	C	204	237	Right-handed alpha
Helix 26	26	C	243	308	Right-handed alpha
Helix 27	27	C	327	343	Right-handed alpha
Helix 28	28	D	46	50	Right-handed 310
Helix 29	29	D	50	56	Right-handed 310
Helix 30	30	D	69	80	Right-handed alpha
Helix 31	31	D	83	92	Right-handed alpha
Helix 32	32	D	147	156	Right-handed alpha
Helix 33	33	D	165	199	Right-handed alpha
Helix 34	34	D	204	237	Right-handed alpha
Helix 35	35	D	243	308	Right-handed alpha
Helix 36	36	D	327	343	Right-handed alpha
Helix 37	37	E	46	50	Right-handed 310
Helix 38	38	E	50	56	Right-handed 310
Helix 39	39	E	69	81	Right-handed alpha
Helix 40	40	E	83	92	Right-handed alpha
Helix 41	41	E	147	156	Right-handed alpha
Helix 42	42	E	165	199	Right-handed alpha
Helix 43	43	E	204	237	Right-handed alpha
Helix 44	44	E	243	308	Right-handed alpha
Helix 45	45	E	327	343	Right-handed alpha
Helix 46	46	F	46	50	Right-handed 310
Helix 47	47	F	50	56	Right-handed 310
Helix 48	48	F	69	81	Right-handed alpha
Helix 49	49	F	83	92	Right-handed alpha
Helix 50	50	F	147	156	Right-handed alpha
Helix 51	51	F	165	199	Right-handed alpha
Helix 52	52	F	204	237	Right-handed alpha
Helix 53	53	F	243	308	Right-handed alpha
Helix 54	54	F	327	343	Right-handed alpha
Helix 55	55	G	46	50	Right-handed 310
Helix 56	56	G	50	56	Right-handed 310
Helix 57	57	G	69	80	Right-handed alpha
Helix 58	58	G	83	92	Right-handed alpha
Helix 59	59	G	147	156	Right-handed alpha
Helix 60	60	G	165	199	Right-handed alpha
Helix 61	61	G	204	237	Right-handed alpha
Helix 62	62	G	243	308	Right-handed alpha
Helix 63	63	G	327	343	Right-handed alpha
Helix 64	64	H	46	50	Right-handed 310
Helix 65	65	H	50	56	Right-handed 310
Helix 66	66	H	69	80	Right-handed alpha
Helix 67	67	H	83	92	Right-handed alpha
Helix 68	68	H	147	156	Right-handed alpha
Helix 69	69	H	165	199	Right-handed alpha
Helix 70	70	H	204	237	Right-handed alpha
Helix 71	71	H	243	246	Right-handed 310
Helix 72	72	H	247	308	Right-handed alpha
Helix 73	73	H	327	343	Right-handed alpha
Helix 74	74	I	46	50	Right-handed 310
Helix 75	75	I	50	56	Right-handed 310
Helix 76	76	I	69	81	Right-handed alpha
Helix 77	77	I	83	92	Right-handed alpha
Helix 78	78	I	147	156	Right-handed alpha
Helix 79	79	I	165	202	Right-handed alpha
Helix 80	80	I	204	237	Right-handed alpha
Helix 81	81	I	243	308	Right-handed alpha
Helix 82	82	I	327	343	Right-handed alpha
Helix 83	83	J	46	50	Right-handed 310
Helix 84	84	J	50	56	Right-handed 310
Helix 85	85	J	69	81	Right-handed alpha
Helix 86	86	J	83	92	Right-handed alpha
Helix 87	87	J	147	156	Right-handed alpha
Helix 88	88	J	165	199	Right-handed alpha
Helix 89	89	J	204	237	Right-handed alpha
Helix 90	90	J	243	308	Right-handed alpha
Helix 91	91	J	327	343	Right-handed alpha

There are 13 sheets in PDB entry 2IUB. Click on sheet of interest to get list of strands forming it: AA, BA, BB, CA, CB, A, EA, EB, FA, GA, HA, IA, JA,

There are 7 strands in AA sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	39	44	first strand
Strand 2	A	28	34	anti-parallel
Strand 3	A	60	65	anti-parallel
Strand 4	A	135	140	parallel
Strand 5	A	121	132	anti-parallel
Strand 6	A	105	116	anti-parallel
Strand 7	A	98	102	anti-parallel

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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	29	34	first strand
Strand 2	B	39	44	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	60	65	first strand
Strand 2	B	135	140	parallel
Strand 3	B	121	132	anti-parallel
Strand 4	B	105	116	anti-parallel
Strand 5	B	98	102	anti-parallel

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There are 2 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	29	34	first strand
Strand 2	C	39	44	anti-parallel

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There are 5 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	60	65	first strand
Strand 2	C	135	140	parallel
Strand 3	C	121	132	anti-parallel
Strand 4	C	105	116	anti-parallel
Strand 5	C	98	102	anti-parallel

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There are 7 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	39	44	first strand
Strand 2	D	28	34	anti-parallel
Strand 3	D	60	65	anti-parallel
Strand 4	D	135	140	parallel
Strand 5	D	121	132	anti-parallel
Strand 6	D	105	116	anti-parallel
Strand 7	D	98	102	anti-parallel

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There are 2 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	29	34	first strand
Strand 2	E	39	44	anti-parallel

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There are 5 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	60	65	first strand
Strand 2	E	135	140	parallel
Strand 3	E	121	132	anti-parallel
Strand 4	E	105	116	anti-parallel
Strand 5	E	98	102	anti-parallel

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There are 7 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	44	first strand
Strand 2	F	29	34	anti-parallel
Strand 3	F	60	65	anti-parallel
Strand 4	F	135	140	parallel
Strand 5	F	121	132	anti-parallel
Strand 6	F	105	116	anti-parallel
Strand 7	F	98	102	anti-parallel

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There are 7 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	39	44	first strand
Strand 2	G	29	34	anti-parallel
Strand 3	G	60	65	anti-parallel
Strand 4	G	135	140	parallel
Strand 5	G	121	132	anti-parallel
Strand 6	G	105	116	anti-parallel
Strand 7	G	98	102	anti-parallel

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There are 7 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	39	44	first strand
Strand 2	H	28	34	anti-parallel
Strand 3	H	60	65	anti-parallel
Strand 4	H	135	140	parallel
Strand 5	H	121	132	anti-parallel
Strand 6	H	105	116	anti-parallel
Strand 7	H	98	102	anti-parallel

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There are 7 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	39	44	first strand
Strand 2	I	28	34	anti-parallel
Strand 3	I	60	65	anti-parallel
Strand 4	I	135	140	parallel
Strand 5	I	121	132	anti-parallel
Strand 6	I	105	116	anti-parallel
Strand 7	I	98	102	anti-parallel

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There are 7 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	39	44	first strand
Strand 2	J	29	34	anti-parallel
Strand 3	J	60	65	anti-parallel
Strand 4	J	135	140	parallel
Strand 5	J	121	132	anti-parallel
Strand 6	J	105	116	anti-parallel
Strand 7	J	98	102	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: 2IUB

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