Analysis of interatomic Contacts of Structural Units in PDB entry:
3C9A


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 3C9A entry

There are 4 chains in PDB entry 3C9A (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ASP 97ASP 419
B
 ASP 97ASN 418
C
 PRO 50GLU 97
D
 PRO 50GLU 97
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 5 helices in PDB entry 3C9A. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
109 113Right-handed 310
Helix 2
2
B
109 113Right-handed 310
Helix 3
3
B
284 288Right-handed 310
Helix 4
4
C
55 62Right-handed alpha
Helix 5
5
D
55 62Right-handed alpha
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There are 12 sheets in PDB entry 3C9A. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K, L,

There are 5 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
101 104first strand
Strand 2
A
132 135parallel
Strand 3
A
121 126anti-parallel
Strand 4
A
277 281anti-parallel
Strand 5
A
271 274anti-parallel
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There are 4 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
309 314first strand
Strand 2
A
299 304anti-parallel
Strand 3
A
339 347anti-parallel
Strand 4
A
322 331anti-parallel
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There are 4 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
371 378first strand
Strand 2
A
358 368anti-parallel
Strand 3
A
408 414anti-parallel
Strand 4
A
397 402anti-parallel
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There are 2 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
386 387first strand
Strand 2
A
416 417anti-parallel
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There are 5 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
101 104first strand
Strand 2
B
132 135parallel
Strand 3
B
121 126anti-parallel
Strand 4
B
277 281anti-parallel
Strand 5
B
271 274anti-parallel
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There are 4 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
309 314first strand
Strand 2
B
297 304anti-parallel
Strand 3
B
339 347anti-parallel
Strand 4
B
322 331anti-parallel
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There are 4 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
371 378first strand
Strand 2
B
360 368anti-parallel
Strand 3
B
408 413anti-parallel
Strand 4
B
397 402anti-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
386 387first strand
Strand 2
B
416 417anti-parallel
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There are 2 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
68 73first strand
Strand 2
C
78 83anti-parallel
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There are 2 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
88 89first strand
Strand 2
C
95 96anti-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
D
68 73first strand
Strand 2
D
78 83anti-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
D
88 89first strand
Strand 2
D
95 96anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il