Analysis of interatomic Contacts of Structural Units in PDB entry:
2X3T


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 2X3T entry

There are 4 chains in PDB entry 2X3T (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ARG 2ASP 170
B
 CYS 3ASP 170
C
 ARG 2ASP 170
D
 ARG 2GLY 171
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 39 helices in PDB entry 2X3T. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
3 8Right-handed 310
Helix 2
2
A
12 16Right-handed 310
Helix 3
3
A
27 32Right-handed alpha
Helix 4
4
A
46 51Right-handed 310
Helix 5
5
A
70 75Right-handed alpha
Helix 6
6
A
89 94Right-handed 310
Helix 7
7
A
98 102Right-handed 310
Helix 8
8
A
113 118Right-handed alpha
Helix 9
9
A
133 137Right-handed 310
Helix 10
10
A
156 161Right-handed alpha
Helix 11
11
B
3 8Right-handed 310
Helix 12
12
B
12 16Right-handed 310
Helix 13
13
B
46 50Right-handed 310
Helix 14
14
B
70 75Right-handed alpha
Helix 15
15
B
89 94Right-handed 310
Helix 16
16
B
98 102Right-handed 310
Helix 17
17
B
113 118Right-handed alpha
Helix 18
18
B
133 137Right-handed 310
Helix 19
19
C
3 8Right-handed 310
Helix 20
20
C
12 16Right-handed 310
Helix 21
21
C
27 32Right-handed alpha
Helix 22
22
C
46 51Right-handed 310
Helix 23
23
C
70 75Right-handed alpha
Helix 24
24
C
89 94Right-handed 310
Helix 25
25
C
98 102Right-handed 310
Helix 26
26
C
113 118Right-handed alpha
Helix 27
27
C
133 137Right-handed 310
Helix 28
28
D
3 8Right-handed 310
Helix 29
29
D
12 16Right-handed 310
Helix 30
30
D
27 32Right-handed alpha
Helix 31
31
D
46 51Right-handed 310
Helix 32
32
D
55 59Right-handed 310
Helix 33
33
D
70 75Right-handed alpha
Helix 34
34
D
89 94Right-handed 310
Helix 35
35
D
98 102Right-handed 310
Helix 36
36
D
113 118Right-handed alpha
Helix 37
37
D
133 137Right-handed 310
Helix 38
38
D
141 145Right-handed 310
Helix 39
39
D
156 161Right-handed alpha
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There are 16 sheets in PDB entry 2X3T. 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,

There are 2 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
17 18first strand
Strand 2
A
24 25anti-parallel
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There are 2 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
60 61first strand
Strand 2
A
67 68anti-parallel
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There are 2 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
103 104first strand
Strand 2
A
110 111anti-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
146 147first strand
Strand 2
A
153 154anti-parallel
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There are 2 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
17 18first strand
Strand 2
B
24 25anti-parallel
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There are 2 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
60 61first strand
Strand 2
B
67 68anti-parallel
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There are 2 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
103 104first strand
Strand 2
B
110 111anti-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
146 147first strand
Strand 2
B
153 154anti-parallel
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There are 2 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
17 18first strand
Strand 2
C
24 25anti-parallel
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There are 2 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
60 61first strand
Strand 2
C
67 68anti-parallel
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There are 2 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
103 104first strand
Strand 2
C
110 111anti-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
146 147first strand
Strand 2
C
153 154anti-parallel
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There are 2 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
17 18first strand
Strand 2
D
24 25anti-parallel
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There are 2 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
60 61first strand
Strand 2
D
67 68anti-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
103 104first strand
Strand 2
D
110 111anti-parallel
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There are 2 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
146 147first strand
Strand 2
D
153 154anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il