Analysis of interatomic Contacts of Structural Units in PDB entry:
4XB1


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 4XB1 entry

There are 2 chains in PDB entry 4XB1 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 1ARG 319
B
 MET 1ARG 319
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 25 helices in PDB entry 4XB1. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
AA1
A
11 25Right-handed alpha
Helix 2
AA2
A
49 61Right-handed alpha
Helix 3
AA3
A
62 66Right-handed 310
Helix 4
AA4
A
75 84Right-handed alpha
Helix 5
AA5
A
97 107Right-handed alpha
Helix 6
AA6
A
115 133Right-handed alpha
Helix 7
AA7
A
139 143Right-handed 310
Helix 8
AA8
A
148 156Right-handed alpha
Helix 9
AA9
A
170 182Right-handed alpha
Helix 10
AB1
A
185 196Right-handed alpha
Helix 11
AB2
A
203 208Right-handed alpha
Helix 12
AB3
A
209 225Right-handed alpha
Helix 13
AB4
A
296 313Right-handed alpha
Helix 14
AB5
B
11 25Right-handed alpha
Helix 15
AB6
B
49 61Right-handed alpha
Helix 16
AB7
B
75 84Right-handed alpha
Helix 17
AB8
B
97 107Right-handed alpha
Helix 18
AB9
B
115 133Right-handed alpha
Helix 19
AC1
B
139 143Right-handed 310
Helix 20
AC2
B
148 156Right-handed alpha
Helix 21
AC3
B
170 182Right-handed alpha
Helix 22
AC4
B
185 196Right-handed alpha
Helix 23
AC5
B
203 208Right-handed alpha
Helix 24
AC6
B
209 225Right-handed alpha
Helix 25
AC7
B
296 313Right-handed alpha
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There are 4 sheets in PDB entry 4XB1. Click on sheet of interest to get list of strands forming it: AA1, AA2, AA3, AA4,

There are 3 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
26 27first strand
Strand 2
A
30 39anti-parallel
Strand 3
A
42 45anti-parallel
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There are 6 strands in AA2 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
26 27first strand
Strand 2
A
30 39anti-parallel
Strand 3
A
2 8parallel
Strand 4
A
87 90parallel
Strand 5
A
110 113parallel
Strand 6
A
137 138parallel
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There are 12 strands in AA3 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
230 233first strand
Strand 2
A
255 262parallel
Strand 3
A
245 252anti-parallel
Strand 4
A
162 168anti-parallel
Strand 5
A
275 282anti-parallel
Strand 6
A
286 293anti-parallel
Strand 7
B
286 293anti-parallel
Strand 8
B
275 282anti-parallel
Strand 9
B
162 168anti-parallel
Strand 10
B
245 252anti-parallel
Strand 11
B
255 262anti-parallel
Strand 12
B
230 233parallel
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There are 7 strands in AA4 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
71 72first strand
Strand 2
B
42 45anti-parallel
Strand 3
B
31 39anti-parallel
Strand 4
B
2 8parallel
Strand 5
B
87 90parallel
Strand 6
B
110 113parallel
Strand 7
B
137 138parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il