Analysis of interatomic Contacts of Structural Units in PDB entry:
1SU1


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 1SU1 entry

There are 4 chains in PDB entry 1SU1 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 1PRO 184
B
 MET 1PRO 184
C
 MET 2ASN 183
D
 MET 2ASN 183
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 1SU1. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
13 28Right-handed alpha
Helix 2
2
A
52 62Right-handed alpha
Helix 3
3
A
63 65Right-handed 310
Helix 4
4
A
76 83Right-handed alpha
Helix 5
5
B
13 28Right-handed alpha
Helix 6
6
B
52 62Right-handed alpha
Helix 7
7
B
63 65Right-handed 310
Helix 8
8
B
76 83Right-handed alpha
Helix 9
9
C
13 28Right-handed alpha
Helix 10
10
C
52 61Right-handed alpha
Helix 11
11
C
62 65Right-handed 310
Helix 12
12
C
76 83Right-handed alpha
Helix 13
13
D
13 28Right-handed alpha
Helix 14
14
D
52 61Right-handed alpha
Helix 15
15
D
62 65Right-handed 310
Helix 16
16
D
76 83Right-handed alpha
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There are 6 sheets in PDB entry 1SU1. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F,

There are 6 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
67 69first strand
Strand 2
A
31 34parallel
Strand 3
A
3 7parallel
Strand 4
A
157 162anti-parallel
Strand 5
A
165 170anti-parallel
Strand 6
A
176 181anti-parallel
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There are 10 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
132 136first strand
Strand 2
A
139 143anti-parallel
Strand 3
A
122 124parallel
Strand 4
A
100 104parallel
Strand 5
A
91 95anti-parallel
Strand 6
D
91 96parallel
Strand 7
D
99 104anti-parallel
Strand 8
D
122 124parallel
Strand 9
D
139 143parallel
Strand 10
D
132 136anti-parallel
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There are 6 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
67 69first strand
Strand 2
B
31 34parallel
Strand 3
B
3 7parallel
Strand 4
B
157 162anti-parallel
Strand 5
B
165 170anti-parallel
Strand 6
B
176 181anti-parallel
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There are 10 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
132 136first strand
Strand 2
B
139 143anti-parallel
Strand 3
B
122 124parallel
Strand 4
B
100 103parallel
Strand 5
B
92 95anti-parallel
Strand 6
C
91 95parallel
Strand 7
C
100 104anti-parallel
Strand 8
C
122 124parallel
Strand 9
C
139 144parallel
Strand 10
C
131 136anti-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
67 69first strand
Strand 2
C
31 34parallel
Strand 3
C
3 7parallel
Strand 4
C
157 162anti-parallel
Strand 5
C
165 170anti-parallel
Strand 6
C
176 181anti-parallel
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There are 6 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
67 69first strand
Strand 2
D
31 34parallel
Strand 3
D
3 7parallel
Strand 4
D
157 162anti-parallel
Strand 5
D
165 170anti-parallel
Strand 6
D
176 181anti-parallel
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