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


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 4XRR entry

There are 2 chains in PDB entry 4XRR (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER -2ARG 453
B
 SER -2ARG 453
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 40 helices in PDB entry 4XRR. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
AA1
A
21 34Right-handed alpha
Helix 2
AA2
A
44 54Right-handed alpha
Helix 3
AA3
A
62 73Right-handed alpha
Helix 4
AA4
A
82 88Right-handed 310
Helix 5
AA5
A
107 118Right-handed alpha
Helix 6
AA6
A
119 121Right-handed 310
Helix 7
AA7
A
136 141Right-handed alpha
Helix 8
AA8
A
141 147Right-handed alpha
Helix 9
AA9
A
170 175Right-handed alpha
Helix 10
AB1
A
186 202Right-handed alpha
Helix 11
AB2
A
210 243Right-handed alpha
Helix 12
AB3
A
245 254Right-handed alpha
Helix 13
AB4
A
274 291Right-handed alpha
Helix 14
AB5
A
295 324Right-handed alpha
Helix 15
AB6
A
350 360Right-handed alpha
Helix 16
AB7
A
373 382Right-handed alpha
Helix 17
AB8
A
388 394Right-handed alpha
Helix 18
AB9
A
405 410Right-handed alpha
Helix 19
AC1
A
412 418Right-handed alpha
Helix 20
AC2
A
434 444Right-handed alpha
Helix 21
AC3
B
21 34Right-handed alpha
Helix 22
AC4
B
44 52Right-handed alpha
Helix 23
AC5
B
63 73Right-handed alpha
Helix 24
AC6
B
82 88Right-handed 310
Helix 25
AC7
B
107 118Right-handed alpha
Helix 26
AC8
B
119 121Right-handed 310
Helix 27
AC9
B
136 141Right-handed alpha
Helix 28
AD1
B
141 147Right-handed alpha
Helix 29
AD2
B
170 175Right-handed alpha
Helix 30
AD3
B
186 202Right-handed alpha
Helix 31
AD4
B
210 243Right-handed alpha
Helix 32
AD5
B
245 254Right-handed alpha
Helix 33
AD6
B
274 291Right-handed alpha
Helix 34
AD7
B
295 323Right-handed alpha
Helix 35
AD8
B
349 362Right-handed alpha
Helix 36
AD9
B
373 382Right-handed alpha
Helix 37
AE1
B
388 394Right-handed alpha
Helix 38
AE2
B
405 410Right-handed alpha
Helix 39
AE3
B
412 420Right-handed alpha
Helix 40
AE4
B
434 444Right-handed alpha
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There are 6 sheets in PDB entry 4XRR. Click on sheet of interest to get list of strands forming it: AA1, AA2, AA3, AA4, AA5, AA6,

There are 8 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
76 79first strand
Strand 2
A
37 41parallel
Strand 3
A
14 18parallel
Strand 4
A
90 93parallel
Strand 5
A
126 129parallel
Strand 6
A
158 161parallel
Strand 7
A
180 184anti-parallel
Strand 8
A
205 208parallel
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There are 2 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
257 258first strand
Strand 2
A
261 262anti-parallel
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There are 5 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
364 368first strand
Strand 2
A
331 335parallel
Strand 3
A
398 401parallel
Strand 4
A
424 428parallel
Strand 5
A
446 450parallel
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There are 8 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
76 79first strand
Strand 2
B
37 41parallel
Strand 3
B
14 18parallel
Strand 4
B
90 93parallel
Strand 5
B
126 129parallel
Strand 6
B
158 161parallel
Strand 7
B
180 184anti-parallel
Strand 8
B
205 208parallel
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There are 2 strands in AA5 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
257 258first strand
Strand 2
B
261 262anti-parallel
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There are 5 strands in AA6 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
364 368first strand
Strand 2
B
331 335parallel
Strand 3
B
398 401parallel
Strand 4
B
424 428parallel
Strand 5
B
446 450parallel
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