Analysis of interatomic Contacts of Structural Units in PDB entry:
4TT9


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 4TT9 entry

There are 4 chains in PDB entry 4TT9 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 TYR 221MET 290
B
 TYR 221LYS 292
C
 ASN 220VAL 291
D
 ASP 222VAL 291
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 4 helices in PDB entry 4TT9. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
AA1
A
239 248Right-handed alpha
Helix 2
AA2
B
239 244Right-handed alpha
Helix 3
AA3
C
239 248Right-handed alpha
Helix 4
AA4
D
239 244Right-handed alpha
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There are 2 sheets in PDB entry 4TT9. Click on sheet of interest to get list of strands forming it: AA1, AA2,

There are 10 strands in AA1 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
250 253first strand
Strand 2
B
282 289anti-parallel
Strand 3
B
268 277anti-parallel
Strand 4
B
261 265anti-parallel
Strand 5
B
225 238anti-parallel
Strand 6
A
225 238anti-parallel
Strand 7
A
261 265anti-parallel
Strand 8
A
268 278anti-parallel
Strand 9
A
281 288anti-parallel
Strand 10
B
250 252anti-parallel
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There are 10 strands in AA2 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
250 253first strand
Strand 2
D
282 289anti-parallel
Strand 3
D
268 276anti-parallel
Strand 4
D
261 265anti-parallel
Strand 5
D
225 237anti-parallel
Strand 6
C
226 238anti-parallel
Strand 7
C
261 265anti-parallel
Strand 8
C
268 276anti-parallel
Strand 9
C
283 288anti-parallel
Strand 10
D
250 252anti-parallel
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