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


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 4ICU entry

There are 4 chains in PDB entry 4ICU (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLN 444TRP 527
B
 GLN 444TRP 527
C
 GLN 444TRP 527
D
 GLN 444TRP 527
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 4ICU. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
470 483Right-handed alpha
Helix 2
2
A
485 489Right-handed 310
Helix 3
3
A
512 516Right-handed 310
Helix 4
4
B
470 483Right-handed alpha
Helix 5
5
B
485 489Right-handed 310
Helix 6
6
C
470 483Right-handed alpha
Helix 7
7
C
485 489Right-handed 310
Helix 8
8
D
470 483Right-handed alpha
Helix 9
9
D
485 489Right-handed 310
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There are 4 sheets in PDB entry 4ICU. Click on sheet of interest to get list of strands forming it: A, B, C, D,

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
461 466first strand
Strand 2
A
445 451anti-parallel
Strand 3
A
522 526parallel
Strand 4
A
490 494anti-parallel
Strand 5
A
503 504anti-parallel
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There are 5 strands in B sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
459 466first strand
Strand 2
B
445 451anti-parallel
Strand 3
B
522 526parallel
Strand 4
B
490 495anti-parallel
Strand 5
B
498 504anti-parallel
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There are 5 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
461 466first strand
Strand 2
C
445 451anti-parallel
Strand 3
C
522 526parallel
Strand 4
C
490 494anti-parallel
Strand 5
C
503 504anti-parallel
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There are 5 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
461 466first strand
Strand 2
D
445 451anti-parallel
Strand 3
D
522 526parallel
Strand 4
D
490 494anti-parallel
Strand 5
D
503 504anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il