Analysis of interatomic Contacts of Structural Units in PDB entry:
4A9C


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 4A9C entry

There are 2 chains in PDB entry 4A9C (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ASP 422SER 731
B
 ASP 422SER 731
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 16 helices in PDB entry 4A9C. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
442 447Right-handed alpha
Helix 2
2
A
458 462Right-handed 310
Helix 3
3
A
477 494Right-handed alpha
Helix 4
4
A
516 520Right-handed 310
Helix 5
5
A
568 583Right-handed alpha
Helix 6
6
A
615 625Right-handed alpha
Helix 7
7
A
628 633Right-handed alpha
Helix 8
8
A
635 643Right-handed alpha
Helix 9
9
B
442 447Right-handed alpha
Helix 10
10
B
477 494Right-handed alpha
Helix 11
11
B
516 520Right-handed 310
Helix 12
12
B
568 583Right-handed alpha
Helix 13
13
B
594 598Right-handed 310
Helix 14
14
B
615 626Right-handed alpha
Helix 15
15
B
628 633Right-handed alpha
Helix 16
16
B
635 643Right-handed alpha
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There are 5 sheets in PDB entry 4A9C. Click on sheet of interest to get list of strands forming it: AA, AB, BA, BB, BC,

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
451 453first strand
Strand 2
A
702 709anti-parallel
Strand 3
A
721 728anti-parallel
Strand 4
A
423 432anti-parallel
Strand 5
A
466 472parallel
Strand 6
A
508 514anti-parallel
Strand 7
A
498 505anti-parallel
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There are 5 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
522 532first strand
Strand 2
A
541 550anti-parallel
Strand 3
A
553 561anti-parallel
Strand 4
A
601 607parallel
Strand 5
A
690 696anti-parallel
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There are 7 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
451 453first strand
Strand 2
B
702 709anti-parallel
Strand 3
B
721 728anti-parallel
Strand 4
B
423 432anti-parallel
Strand 5
B
466 472parallel
Strand 6
B
508 514anti-parallel
Strand 7
B
498 505anti-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
522 531first strand
Strand 2
B
542 550anti-parallel
Strand 3
B
553 561anti-parallel
Strand 4
B
601 607parallel
Strand 5
B
690 696anti-parallel
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There are 2 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
674 677first strand
Strand 2
B
680 683anti-parallel
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