Analysis of interatomic Contacts of Structural Units in PDB entry:
1XXD


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 1XXD entry

There are 4 chains in PDB entry 1XXD (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ILE 16VAL 245
B
 ILE 16VAL 245
C
 PRO 6ARG 142
D
 GLN 5ARG 142
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 16 helices in PDB entry 1XXD. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
55 59Right-handed 310
Helix 2
2
A
61 63Right-handed 310
Helix 3
3
A
73 77Right-handed 310
Helix 4
4
A
96 100Right-handed 310
Helix 5
5
A
164 172Right-handed alpha
Helix 6
6
A
231 233Right-handed 310
Helix 7
7
A
234 242Right-handed alpha
Helix 8
8
B
56 59Right-handed 310
Helix 9
9
B
61 63Right-handed 310
Helix 10
10
B
96 100Right-handed 310
Helix 11
11
B
164 172Right-handed alpha
Helix 12
12
B
231 233Right-handed 310
Helix 13
13
B
234 243Right-handed alpha
Helix 14
14
D
6 10Right-handed 310
Helix 15
15
D
32 34Right-handed 310
Helix 16
16
D
102 104Right-handed 310
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There are 5 sheets in PDB entry 1XXD. Click on sheet of interest to get list of strands forming it: A, B, C, D, E,

There are 17 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
20 21first strand
Strand 2
A
156 159anti-parallel
Strand 3
A
136 140anti-parallel
Strand 4
A
198 202anti-parallel
Strand 5
A
202 216anti-parallel
Strand 6
A
226 229anti-parallel
Strand 7
A
180 183anti-parallel
Strand 8
A
162 163anti-parallel
Strand 9
A
180 183anti-parallel
Strand 10
A
226 229anti-parallel
Strand 11
A
202 216anti-parallel
Strand 12
C
70 83anti-parallel
Strand 13
C
53 63anti-parallel
Strand 14
C
70 83anti-parallel
Strand 15
C
115 120parallel
Strand 16
C
20 25anti-parallel
Strand 17
D
140 141anti-parallel
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There are 7 strands in B sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
30 36first strand
Strand 2
A
37 46anti-parallel
Strand 3
A
51 54anti-parallel
Strand 4
A
104 108anti-parallel
Strand 5
A
83 90anti-parallel
Strand 6
A
65 69anti-parallel
Strand 7
A
30 36anti-parallel
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There are 17 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
20 21first strand
Strand 2
B
156 159anti-parallel
Strand 3
B
136 140anti-parallel
Strand 4
B
198 202anti-parallel
Strand 5
B
203 216anti-parallel
Strand 6
B
226 230anti-parallel
Strand 7
B
180 183anti-parallel
Strand 8
B
162 163anti-parallel
Strand 9
B
180 183anti-parallel
Strand 10
B
226 230anti-parallel
Strand 11
B
203 216anti-parallel
Strand 12
D
70 83anti-parallel
Strand 13
D
53 63anti-parallel
Strand 14
D
70 83anti-parallel
Strand 15
D
115 120parallel
Strand 16
D
20 25anti-parallel
Strand 17
C
140 141anti-parallel
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There are 7 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
30 35first strand
Strand 2
B
37 46anti-parallel
Strand 3
B
51 54anti-parallel
Strand 4
B
104 108anti-parallel
Strand 5
B
83 90anti-parallel
Strand 6
B
65 68anti-parallel
Strand 7
B
30 35anti-parallel
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There are 14 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
93 98first strand
Strand 2
C
36 48anti-parallel
Strand 3
C
106 108anti-parallel
Strand 4
C
36 48anti-parallel
Strand 5
C
124 132anti-parallel
Strand 6
D
137 138anti-parallel
Strand 7
C
124 132anti-parallel
Strand 8
D
124 132anti-parallel
Strand 9
C
137 138anti-parallel
Strand 10
D
124 132anti-parallel
Strand 11
D
36 48anti-parallel
Strand 12
D
106 108anti-parallel
Strand 13
D
36 48anti-parallel
Strand 14
D
93 98anti-parallel
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