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


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 1XIW entry

There are 8 chains in PDB entry 1XIW (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLN 12MET 102
B
 MET 1SER 74
C
 MET 1ILE 107
D
 GLU 1SER 122
E
 GLN 12CYS 98
F
 LYS 2CYS 72
G
 MET 1ILE 107
H
 GLU 1SER 122
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 1XIW. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
67 72Right-handed alpha
Helix 2
2
A
83 87Right-handed 310
Helix 3
3
B
32 34Right-handed 310
Helix 4
4
B
43 45Right-handed 310
Helix 5
5
C
80 84Right-handed 310
Helix 6
6
D
28 30Right-handed 310
Helix 7
7
D
74 76Right-handed 310
Helix 8
8
D
87 91Right-handed 310
Helix 9
9
E
67 72Right-handed alpha
Helix 10
10
E
83 87Right-handed 310
Helix 11
11
F
32 34Right-handed 310
Helix 12
12
F
43 45Right-handed 310
Helix 13
13
G
80 84Right-handed 310
Helix 14
14
H
28 30Right-handed 310
Helix 15
15
H
62 65Right-handed 310
Helix 16
16
H
87 91Right-handed 310
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There are 18 sheets in PDB entry 1XIW. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R,

There are 4 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
16 20first strand
Strand 2
A
23 27anti-parallel
Strand 3
A
60 63anti-parallel
Strand 4
A
54 57anti-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
43 45first strand
Strand 2
A
36 40anti-parallel
Strand 3
A
73 79anti-parallel
Strand 4
A
89 95anti-parallel
Strand 5
B
63 70parallel
Strand 6
B
47 52anti-parallel
Strand 7
B
20 25anti-parallel
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There are 4 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
5 8first strand
Strand 2
B
11 15anti-parallel
Strand 3
B
36 41anti-parallel
Strand 4
B
29 31anti-parallel
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There are 4 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
5 6first strand
Strand 2
C
20 26anti-parallel
Strand 3
C
71 76anti-parallel
Strand 4
C
63 68anti-parallel
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There are 6 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
11 13first strand
Strand 2
C
103 106parallel
Strand 3
C
85 91anti-parallel
Strand 4
C
34 39anti-parallel
Strand 5
C
45 50anti-parallel
Strand 6
C
54 55anti-parallel
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There are 4 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
11 13first strand
Strand 2
C
103 106parallel
Strand 3
C
85 91anti-parallel
Strand 4
C
98 99anti-parallel
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There are 4 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
3 6first strand
Strand 2
D
18 25anti-parallel
Strand 3
D
78 83anti-parallel
Strand 4
D
68 73anti-parallel
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There are 6 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
10 12first strand
Strand 2
D
116 120parallel
Strand 3
D
92 100anti-parallel
Strand 4
D
32 40anti-parallel
Strand 5
D
44 52anti-parallel
Strand 6
D
57 60anti-parallel
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There are 4 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
10 12first strand
Strand 2
D
116 120parallel
Strand 3
D
92 100anti-parallel
Strand 4
D
111 112anti-parallel
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There are 4 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
16 20first strand
Strand 2
E
23 27anti-parallel
Strand 3
E
60 63anti-parallel
Strand 4
E
54 57anti-parallel
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There are 7 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
43 45first strand
Strand 2
E
36 40anti-parallel
Strand 3
E
73 79anti-parallel
Strand 4
E
89 95anti-parallel
Strand 5
F
63 70parallel
Strand 6
F
47 52anti-parallel
Strand 7
F
20 25anti-parallel
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There are 4 strands in L sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
5 8first strand
Strand 2
F
11 15anti-parallel
Strand 3
F
36 41anti-parallel
Strand 4
F
29 31anti-parallel
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There are 4 strands in M sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
G
5 6first strand
Strand 2
G
20 26anti-parallel
Strand 3
G
71 76anti-parallel
Strand 4
G
63 68anti-parallel
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There are 6 strands in N sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
G
11 13first strand
Strand 2
G
103 106parallel
Strand 3
G
85 91anti-parallel
Strand 4
G
34 39anti-parallel
Strand 5
G
45 50anti-parallel
Strand 6
G
54 55anti-parallel
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There are 4 strands in O sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
G
11 13first strand
Strand 2
G
103 106parallel
Strand 3
G
85 91anti-parallel
Strand 4
G
98 99anti-parallel
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There are 4 strands in P sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
3 6first strand
Strand 2
H
18 25anti-parallel
Strand 3
H
78 83anti-parallel
Strand 4
H
68 73anti-parallel
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There are 6 strands in Q sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
10 12first strand
Strand 2
H
116 120parallel
Strand 3
H
92 100anti-parallel
Strand 4
H
32 39anti-parallel
Strand 5
H
46 52anti-parallel
Strand 6
H
57 60anti-parallel
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There are 4 strands in R sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
10 12first strand
Strand 2
H
116 120parallel
Strand 3
H
92 100anti-parallel
Strand 4
H
109 112anti-parallel
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