Analysis of interatomic Contacts of Structural Units in PDB entry:
2I4L

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 2I4L entry

There are 3 chains in PDB entry 2I4L (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	GLY -2	ARG 436
B	GLY -2	THR 438
C	GLY -2	THR 438

There are 54 helices in PDB entry 2I4L. 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	6	Right-handed 310
Helix 2	2	A	20	29	Right-handed alpha
Helix 3	3	A	43	64	Right-handed alpha
Helix 4	4	A	77	83	Right-handed alpha
Helix 5	5	A	84	89	Right-handed alpha
Helix 6	6	A	110	122	Right-handed alpha
Helix 7	7	A	124	128	Right-handed 310
Helix 8	8	A	147	151	Right-handed 310
Helix 9	9	A	166	187	Right-handed alpha
Helix 10	10	A	226	230	Right-handed 310
Helix 11	11	A	243	253	Right-handed alpha
Helix 12	12	A	264	270	Right-handed alpha
Helix 13	13	A	291	297	Right-handed alpha
Helix 14	14	A	320	331	Right-handed alpha
Helix 15	15	A	357	374	Right-handed alpha
Helix 16	16	A	386	398	Right-handed alpha
Helix 17	17	A	406	411	Right-handed alpha
Helix 18	18	B	4	6	Right-handed 310
Helix 19	19	B	20	29	Right-handed alpha
Helix 20	20	B	43	64	Right-handed alpha
Helix 21	21	B	77	83	Right-handed alpha
Helix 22	22	B	110	122	Right-handed alpha
Helix 23	23	B	124	128	Right-handed 310
Helix 24	24	B	147	151	Right-handed 310
Helix 25	25	B	166	188	Right-handed alpha
Helix 26	26	B	226	230	Right-handed 310
Helix 27	27	B	243	251	Right-handed alpha
Helix 28	28	B	262	270	Right-handed alpha
Helix 29	29	B	271	273	Right-handed 310
Helix 30	30	B	291	297	Right-handed alpha
Helix 31	31	B	320	331	Right-handed alpha
Helix 32	32	B	357	374	Right-handed alpha
Helix 33	33	B	386	398	Right-handed alpha
Helix 34	34	B	406	412	Right-handed alpha
Helix 35	35	B	431	438	Right-handed alpha
Helix 36	36	C	4	6	Right-handed 310
Helix 37	37	C	20	29	Right-handed alpha
Helix 38	38	C	43	64	Right-handed alpha
Helix 39	39	C	77	83	Right-handed alpha
Helix 40	40	C	84	89	Right-handed alpha
Helix 41	41	C	110	122	Right-handed alpha
Helix 42	42	C	124	128	Right-handed 310
Helix 43	43	C	147	151	Right-handed 310
Helix 44	44	C	166	188	Right-handed alpha
Helix 45	45	C	226	230	Right-handed 310
Helix 46	46	C	243	251	Right-handed alpha
Helix 47	47	C	262	270	Right-handed alpha
Helix 48	48	C	271	273	Right-handed 310
Helix 49	49	C	291	297	Right-handed alpha
Helix 50	50	C	319	331	Right-handed alpha
Helix 51	51	C	357	374	Right-handed alpha
Helix 52	52	C	386	398	Right-handed alpha
Helix 53	53	C	406	412	Right-handed alpha
Helix 54	54	C	430	438	Right-handed alpha

There are 18 sheets in PDB entry 2I4L. 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,

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	0	2	first strand
Strand 2	A	378	381	parallel
Strand 3	A	348	352	parallel
Strand 4	A	401	405	parallel
Strand 5	A	414	419	anti-parallel
Strand 6	A	425	429	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	32	36	first strand
Strand 2	A	39	42	anti-parallel

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There are 10 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	67	68	first strand
Strand 2	A	130	139	parallel
Strand 3	A	154	164	anti-parallel
Strand 4	A	312	319	anti-parallel
Strand 5	A	275	290	anti-parallel
Strand 6	A	219	224	anti-parallel
Strand 7	A	255	257	anti-parallel
Strand 8	A	192	196	parallel
Strand 9	A	207	213	anti-parallel
Strand 10	A	275	290	anti-parallel

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There are 3 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	74	76	first strand
Strand 2	A	103	106	anti-parallel
Strand 3	A	94	97	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	A	300	302	first strand
Strand 2	A	308	310	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	A	332	333	first strand
Strand 2	A	336	337	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	B	0	2	first strand
Strand 2	B	378	381	parallel
Strand 3	B	348	352	parallel
Strand 4	B	401	405	parallel
Strand 5	B	414	419	anti-parallel
Strand 6	B	425	429	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	32	36	first strand
Strand 2	B	39	42	anti-parallel

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There are 10 strands in I sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	67	68	first strand
Strand 2	B	130	139	parallel
Strand 3	B	154	164	anti-parallel
Strand 4	B	312	319	anti-parallel
Strand 5	B	275	290	anti-parallel
Strand 6	B	219	224	anti-parallel
Strand 7	B	255	257	anti-parallel
Strand 8	B	192	196	parallel
Strand 9	B	207	213	anti-parallel
Strand 10	B	275	290	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	74	76	first strand
Strand 2	B	103	106	anti-parallel
Strand 3	B	94	97	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	B	300	302	first strand
Strand 2	B	308	310	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	B	332	333	first strand
Strand 2	B	336	337	anti-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	C	0	2	first strand
Strand 2	C	378	381	parallel
Strand 3	C	348	352	parallel
Strand 4	C	401	405	parallel
Strand 5	C	414	419	anti-parallel
Strand 6	C	425	429	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	C	32	36	first strand
Strand 2	C	39	42	anti-parallel

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There are 10 strands in O sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	67	68	first strand
Strand 2	C	130	139	parallel
Strand 3	C	154	164	anti-parallel
Strand 4	C	312	318	anti-parallel
Strand 5	C	275	290	anti-parallel
Strand 6	C	219	224	anti-parallel
Strand 7	C	255	257	anti-parallel
Strand 8	C	192	196	parallel
Strand 9	C	207	213	anti-parallel
Strand 10	C	275	290	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	74	76	first strand
Strand 2	C	103	106	anti-parallel
Strand 3	C	94	97	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	C	300	302	first strand
Strand 2	C	308	310	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	C	332	333	first strand
Strand 2	C	336	337	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: 2I4L

Analysis of interatomic Contacts of Structural Units in PDB entry:
2I4L