Analysis of interatomic Contacts of Structural Units in PDB entry:
7API


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).
For CSU analysis of other PDB entry

This page provides analyses of contacts formed by:
For analysis of ligand-protein contacts, use: 3D structure can be seen in additional window with STING software for 7API entry

There are 2 chains in PDB entry 7API (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 HIS 20MET 358
B
 SER 359LYS 394
Residue contacts

1. List of contacts for up to 10 consecutive residues:
Chain ID from residue number to residue number


2. Detailed analyses of contacts for any single residue:
Residue number chain ID
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There are 9 helices in PDB entry 7API. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
A
A
21 45Right-handed alpha
Helix 2
B
A
53 68Right-handed alpha
Helix 3
C
A
70 81Right-handed alpha
Helix 4
D
A
88 105Right-handed alpha
Helix 5
E
A
127 139Right-handed alpha
Helix 6
F
A
150 166Right-handed alpha
Helix 7
G
A
258 267Right-handed alpha
Helix 8
H
A
268 275Right-handed alpha
Helix 9
I
A
300 307Right-handed alpha
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There are 3 sheets in PDB entry 7API. Click on sheet of interest to get list of strands forming it: A, B, C,

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
139 146first strand
Strand 2
A
110 122parallel
Strand 3
A
181 193anti-parallel
Strand 4
A
343 358anti-parallel
Strand 5
A
327 342anti-parallel
Strand 6
A
290 300anti-parallel
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There are 6 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
228 233first strand
Strand 2
A
236 245anti-parallel
Strand 3
A
248 255anti-parallel
Strand 4
B
369 378anti-parallel
Strand 5
B
379 389anti-parallel
Strand 6
A
48 55anti-parallel
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There are 3 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
360 367first strand
Strand 2
A
282 289parallel
Strand 3
A
215 226anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il