Analysis of interatomic Contacts of Structural Units in PDB entry:
8X2L

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 8X2L entry

There are 4 chains in PDB entry 8X2L (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	GLN 3	PRO 136
B	GLU 8	GLU 568
H	ASP 1	SER 119
L	ASP 1	LYS 107

There are 34 helices in PDB entry 8X2L. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	AA1	A	5	31	Right-handed alpha
Helix 2	AA2	A	36	54	Right-handed alpha
Helix 3	AA3	A	69	80	Right-handed alpha
Helix 4	AA4	A	81	84	Right-handed 310
Helix 5	AA5	A	86	99	Right-handed alpha
Helix 6	AA6	A	100	103	Right-handed 310
Helix 7	AA7	A	104	128	Right-handed alpha
Helix 8	AA8	B	9	32	Right-handed alpha
Helix 9	AA9	B	36	40	Right-handed 310
Helix 10	AB1	B	41	46	Right-handed alpha
Helix 11	AB2	B	47	49	Right-handed 310
Helix 12	AB3	B	50	69	Right-handed alpha
Helix 13	AB4	B	72	83	Right-handed alpha
Helix 14	AB5	B	89	95	Right-handed alpha
Helix 15	AB6	B	96	129	Right-handed alpha
Helix 16	AB7	B	135	143	Right-handed alpha
Helix 17	AB8	B	163	173	Right-handed alpha
Helix 18	AB9	B	173	192	Right-handed alpha
Helix 19	AC1	B	194	201	Right-handed alpha
Helix 20	AC2	B	201	209	Right-handed alpha
Helix 21	AC3	B	211	221	Right-handed alpha
Helix 22	AC4	B	232	239	Right-handed alpha
Helix 23	AC5	B	240	245	Right-handed alpha
Helix 24	AC6	B	247	251	Right-handed 310
Helix 25	AC7	B	268	293	Right-handed alpha
Helix 26	AC8	B	359	370	Right-handed alpha
Helix 27	AC9	B	397	401	Right-handed 310
Helix 28	AD1	B	413	430	Right-handed alpha
Helix 29	AD2	B	451	468	Right-handed alpha
Helix 30	AD3	B	515	527	Right-handed alpha
Helix 31	AD4	B	539	554	Right-handed alpha
Helix 32	AD5	H	62	65	Right-handed 310
Helix 33	AD6	H	87	91	Right-handed 310
Helix 34	AD7	L	79	83	Right-handed 310

There are 10 sheets in PDB entry 8X2L. Click on sheet of interest to get list of strands forming it: AA1, AA2, AA3, AA4, AA5, AA6, AA7, AA8, AA9, AB1,

There are 2 strands in AA1 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	229	231	first strand
Strand 2	B	262	264	anti-parallel

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There are 3 strands in AA2 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	295	303	first strand
Strand 2	B	307	314	anti-parallel
Strand 3	B	354	356	anti-parallel

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There are 3 strands in AA3 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	338	341	first strand
Strand 2	B	324	328	anti-parallel
Strand 3	B	386	391	anti-parallel

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There are 6 strands in AA4 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	509	511	first strand
Strand 2	B	474	480	parallel
Strand 3	B	438	445	parallel
Strand 4	B	403	409	parallel
Strand 5	B	531	537	parallel
Strand 6	B	562	567	parallel

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There are 4 strands in AA5 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	4	7	first strand
Strand 2	H	18	24	anti-parallel
Strand 3	H	78	83	anti-parallel
Strand 4	H	68	73	anti-parallel

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There are 5 strands in AA6 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	11	12	first strand
Strand 2	H	113	117	parallel
Strand 3	H	92	94	anti-parallel
Strand 4	H	39	41	anti-parallel
Strand 5	H	45	47	anti-parallel

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There are 5 strands in AA7 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	58	60	first strand
Strand 2	H	50	53	anti-parallel
Strand 3	H	34	36	anti-parallel
Strand 4	H	97	99	anti-parallel
Strand 5	H	108	109	anti-parallel

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There are 4 strands in AA8 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	L	4	6	first strand
Strand 2	L	19	25	anti-parallel
Strand 3	L	70	75	anti-parallel
Strand 4	L	62	67	anti-parallel

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There are 2 strands in AA9 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	L	10	13	first strand
Strand 2	L	103	106	parallel

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There are 4 strands in AB1 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	L	53	54	first strand
Strand 2	L	44	49	anti-parallel
Strand 3	L	33	38	anti-parallel
Strand 4	L	85	90	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: 8X2L

Analysis of interatomic Contacts of Structural Units in PDB entry:
8X2L