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


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 4XRD entry

There are 5 chains in PDB entry 4XRD (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER 1VAL 164
B
 SER 1ALA 167
C
 SER 1GLU 171
D
 SER 1ALA 167
E
 SER 1PRO 166
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 34 helices in PDB entry 4XRD. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
AA1
A
26 29Right-handed 310
Helix 2
AA2
A
47 56Right-handed alpha
Helix 3
AA3
A
56 63Right-handed alpha
Helix 4
AA4
A
74 85Right-handed alpha
Helix 5
AA5
A
85 90Right-handed alpha
Helix 6
AA6
A
101 107Right-handed alpha
Helix 7
AA7
A
143 160Right-handed alpha
Helix 8
AA8
B
26 29Right-handed 310
Helix 9
AA9
B
47 56Right-handed alpha
Helix 10
AB1
B
56 63Right-handed alpha
Helix 11
AB2
B
74 85Right-handed alpha
Helix 12
AB3
B
85 90Right-handed alpha
Helix 13
AB4
B
101 107Right-handed alpha
Helix 14
AB5
B
143 160Right-handed alpha
Helix 15
AB6
C
26 28Right-handed 310
Helix 16
AB7
C
45 56Right-handed alpha
Helix 17
AB8
C
56 63Right-handed alpha
Helix 18
AB9
C
74 83Right-handed alpha
Helix 19
AC1
C
87 91Right-handed 310
Helix 20
AC2
C
101 107Right-handed alpha
Helix 21
AC3
C
143 160Right-handed alpha
Helix 22
AC4
D
25 29Right-handed alpha
Helix 23
AC5
D
45 63Right-handed alpha
Helix 24
AC6
D
74 85Right-handed alpha
Helix 25
AC7
D
87 91Right-handed 310
Helix 26
AC8
D
101 107Right-handed alpha
Helix 27
AC9
D
143 160Right-handed alpha
Helix 28
AD1
E
26 28Right-handed 310
Helix 29
AD2
E
45 56Right-handed alpha
Helix 30
AD3
E
56 63Right-handed alpha
Helix 31
AD4
E
74 85Right-handed alpha
Helix 32
AD5
E
87 91Right-handed 310
Helix 33
AD6
E
101 107Right-handed alpha
Helix 34
AD7
E
143 160Right-handed alpha
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There are 3 sheets in PDB entry 4XRD. Click on sheet of interest to get list of strands forming it: AA1, AA2, AA3,

There are 14 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
19 24first strand
Strand 2
A
11 16anti-parallel
Strand 3
A
94 97anti-parallel
Strand 4
A
65 71parallel
Strand 5
A
32 37parallel
Strand 6
A
119 124anti-parallel
Strand 7
A
130 136anti-parallel
Strand 8
B
130 136anti-parallel
Strand 9
B
120 124anti-parallel
Strand 10
B
32 37anti-parallel
Strand 11
B
65 71parallel
Strand 12
B
94 97parallel
Strand 13
B
11 16anti-parallel
Strand 14
B
19 24anti-parallel
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There are 14 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
19 24first strand
Strand 2
C
11 16anti-parallel
Strand 3
C
94 97anti-parallel
Strand 4
C
65 71parallel
Strand 5
C
32 37parallel
Strand 6
C
119 124anti-parallel
Strand 7
C
130 136anti-parallel
Strand 8
D
130 136anti-parallel
Strand 9
D
119 124anti-parallel
Strand 10
D
32 37anti-parallel
Strand 11
D
65 71parallel
Strand 12
D
94 97parallel
Strand 13
D
11 16anti-parallel
Strand 14
D
19 24anti-parallel
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There are 7 strands in AA3 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
19 24first strand
Strand 2
E
11 16anti-parallel
Strand 3
E
94 97anti-parallel
Strand 4
E
65 71parallel
Strand 5
E
32 37parallel
Strand 6
E
119 124anti-parallel
Strand 7
E
130 136anti-parallel
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