Analysis of interatomic Contacts of Structural Units in PDB entry:
2X89


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 2X89 entry

There are 7 chains in PDB entry 2X89 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLN 1SER 128
B
 GLN 1SER 128
C
 GLN 1SER 128
D
 MET 6ARG 97
E
 MET 6ASP 96
F
 MET 6ASP 96
G
 MET 6ARG 97
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 12 helices in PDB entry 2X89. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
27 31Right-handed 310
Helix 2
2
A
87 91Right-handed 310
Helix 3
3
A
100 105Right-handed alpha
Helix 4
4
B
27 31Right-handed 310
Helix 5
5
B
87 91Right-handed 310
Helix 6
6
B
100 105Right-handed alpha
Helix 7
7
C
27 31Right-handed 310
Helix 8
8
C
87 91Right-handed 310
Helix 9
9
C
100 105Right-handed alpha
Helix 10
10
D
31 33Right-handed 310
Helix 11
11
E
31 33Right-handed 310
Helix 12
12
F
31 33Right-handed 310
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There are 20 sheets in PDB entry 2X89. Click on sheet of interest to get list of strands forming it: AA, AB, AC, AD, BA, BB, BC, BD, CA, CB, CC, CD, A, DB, C, DD, EA, FA, FB, GA,

There are 4 strands in AA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
3 7first strand
Strand 2
A
18 25anti-parallel
Strand 3
A
79 83anti-parallel
Strand 4
A
68 71anti-parallel
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There are 4 strands in AB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
11 13first strand
Strand 2
A
122 127parallel
Strand 3
A
92 99anti-parallel
Strand 4
A
117 118anti-parallel
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There are 6 strands in AC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
11 13first strand
Strand 2
A
122 127parallel
Strand 3
A
92 99anti-parallel
Strand 4
A
33 39anti-parallel
Strand 5
A
46 51anti-parallel
Strand 6
A
58 60anti-parallel
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There are 2 strands in AD sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
117 118first strand
Strand 2
A
92 99anti-parallel
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There are 4 strands in BA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
3 7first strand
Strand 2
B
18 25anti-parallel
Strand 3
B
79 83anti-parallel
Strand 4
B
68 72anti-parallel
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There are 4 strands in BB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
11 13first strand
Strand 2
B
122 127parallel
Strand 3
B
92 99anti-parallel
Strand 4
B
117 118anti-parallel
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There are 6 strands in BC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
11 13first strand
Strand 2
B
122 127parallel
Strand 3
B
92 99anti-parallel
Strand 4
B
33 39anti-parallel
Strand 5
B
46 51anti-parallel
Strand 6
B
58 60anti-parallel
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There are 2 strands in BD sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
117 118first strand
Strand 2
B
92 99anti-parallel
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There are 4 strands in CA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
3 7first strand
Strand 2
C
18 25anti-parallel
Strand 3
C
79 83anti-parallel
Strand 4
C
68 71anti-parallel
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There are 4 strands in CB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
10 13first strand
Strand 2
C
122 127parallel
Strand 3
C
92 99anti-parallel
Strand 4
C
117 118anti-parallel
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There are 6 strands in CC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
10 13first strand
Strand 2
C
122 127parallel
Strand 3
C
92 99anti-parallel
Strand 4
C
33 39anti-parallel
Strand 5
C
45 51anti-parallel
Strand 6
C
58 60anti-parallel
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There are 2 strands in CD sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
117 118first strand
Strand 2
C
92 99anti-parallel
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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
D
7 11first strand
Strand 2
D
21 28anti-parallel
Strand 3
D
62 70anti-parallel
Strand 4
D
55 56parallel
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There are 4 strands in DB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
7 11first strand
Strand 2
D
21 28anti-parallel
Strand 3
D
62 70anti-parallel
Strand 4
D
50 51anti-parallel
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There are 2 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
55 56first strand
Strand 2
D
62 70parallel
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There are 6 strands in DD sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
44 45first strand
Strand 2
D
35 41anti-parallel
Strand 3
D
78 94anti-parallel
Strand 4
E
78 94anti-parallel
Strand 5
E
35 41anti-parallel
Strand 6
E
44 45anti-parallel
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There are 4 strands in EA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
7 11first strand
Strand 2
E
21 28anti-parallel
Strand 3
E
63 70anti-parallel
Strand 4
E
50 53anti-parallel
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There are 4 strands in FA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
7 11first strand
Strand 2
F
21 28anti-parallel
Strand 3
F
63 70anti-parallel
Strand 4
F
50 53anti-parallel
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There are 6 strands in FB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
44 45first strand
Strand 2
F
35 41anti-parallel
Strand 3
F
78 94anti-parallel
Strand 4
G
78 94anti-parallel
Strand 5
G
35 41anti-parallel
Strand 6
G
44 45anti-parallel
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There are 4 strands in GA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
G
7 11first strand
Strand 2
G
21 28anti-parallel
Strand 3
G
63 70anti-parallel
Strand 4
G
50 51anti-parallel
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