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

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 2CLT entry

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

Chain ID	Initial residue	Terminal residue
A	PHE 81	CYS 447
B	PHE 81	CYS 447

There are 15 helices in PDB entry 2CLT. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	107	124	Right-handed alpha
Helix 2	2	A	192	205	Right-handed alpha
Helix 3	3	A	230	242	Right-handed alpha
Helix 4	4	A	299	301	Right-handed 310
Helix 5	5	A	344	350	Right-handed alpha
Helix 6	6	A	384	386	Right-handed 310
Helix 7	7	A	396	400	Right-handed alpha
Helix 8	8	B	107	124	Right-handed alpha
Helix 9	9	B	192	205	Right-handed alpha
Helix 10	10	B	230	242	Right-handed alpha
Helix 11	11	B	298	302	Right-handed alpha
Helix 12	12	B	316	319	Right-handed 310
Helix 13	13	B	345	349	Right-handed alpha
Helix 14	14	B	396	400	Right-handed alpha
Helix 15	15	B	442	445	Right-handed 310

There are 13 sheets in PDB entry 2CLT. Click on sheet of interest to get list of strands forming it: AA, AB, AC, AD, AE, AF, BA, BB, BC, BD, BE, BF, BG,

There are 5 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	129	132	first strand
Strand 2	A	94	99	parallel
Strand 3	A	140	145	parallel
Strand 4	A	176	179	parallel
Strand 5	A	163	165	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	267	271	first strand
Strand 2	A	274	279	anti-parallel
Strand 3	A	282	286	anti-parallel
Strand 4	A	294	297	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	311	315	first strand
Strand 2	A	320	325	anti-parallel
Strand 3	A	328	333	anti-parallel
Strand 4	A	336	337	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	360	363	first strand
Strand 2	A	369	374	anti-parallel
Strand 3	A	377	382	anti-parallel
Strand 4	A	394	395	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	360	363	first strand
Strand 2	A	369	374	anti-parallel
Strand 3	A	377	382	anti-parallel
Strand 4	A	387	388	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	409	413	first strand
Strand 2	A	416	421	anti-parallel
Strand 3	A	424	429	anti-parallel
Strand 4	A	434	440	anti-parallel

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There are 5 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	129	132	first strand
Strand 2	B	94	99	parallel
Strand 3	B	140	145	parallel
Strand 4	B	176	179	parallel
Strand 5	B	163	165	anti-parallel

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There are 4 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	267	271	first strand
Strand 2	B	274	279	anti-parallel
Strand 3	B	282	286	anti-parallel
Strand 4	B	294	297	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	311	315	first strand
Strand 2	B	320	325	anti-parallel
Strand 3	B	328	333	anti-parallel
Strand 4	B	343	344	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	311	315	first strand
Strand 2	B	320	325	anti-parallel
Strand 3	B	328	333	anti-parallel
Strand 4	B	336	337	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	361	363	first strand
Strand 2	B	369	374	anti-parallel
Strand 3	B	377	382	anti-parallel
Strand 4	B	394	395	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	361	363	first strand
Strand 2	B	369	374	anti-parallel
Strand 3	B	377	382	anti-parallel
Strand 4	B	387	388	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	409	412	first strand
Strand 2	B	417	421	anti-parallel
Strand 3	B	424	428	anti-parallel
Strand 4	B	437	440	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: 2CLT

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