Analysis of interatomic Contacts of Structural Units in PDB entry:
3SP4


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 3SP4 entry

There are 2 chains in PDB entry 3SP4 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 HIS 31MET 232
B
 GLY 29MET 232
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 22 helices in PDB entry 3SP4. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
33 37Right-handed 310
Helix 2
2
A
38 44Right-handed alpha
Helix 3
3
A
45 48Right-handed 310
Helix 4
4
A
85 93Right-handed alpha
Helix 5
5
A
93 106Right-handed alpha
Helix 6
6
A
108 120Right-handed alpha
Helix 7
7
A
125 131Right-handed alpha
Helix 8
8
A
162 171Right-handed alpha
Helix 9
9
A
180 184Right-handed 310
Helix 10
10
A
186 196Right-handed 310
Helix 11
11
A
210 230Right-handed alpha
Helix 12
12
B
38 44Right-handed alpha
Helix 13
13
B
45 48Right-handed 310
Helix 14
14
B
85 93Right-handed alpha
Helix 15
15
B
93 106Right-handed alpha
Helix 16
16
B
108 120Right-handed alpha
Helix 17
17
B
125 131Right-handed alpha
Helix 18
18
B
162 171Right-handed alpha
Helix 19
19
B
180 184Right-handed 310
Helix 20
20
B
186 193Right-handed alpha
Helix 21
21
B
194 196Right-handed 310
Helix 22
22
B
210 230Right-handed alpha
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There are 2 sheets in PDB entry 3SP4. Click on sheet of interest to get list of strands forming it: A, B,

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
51 54first strand
Strand 2
A
58 62anti-parallel
Strand 3
A
71 76anti-parallel
Strand 4
A
148 152anti-parallel
Strand 5
A
133 138anti-parallel
Strand 6
A
174 176anti-parallel
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There are 6 strands in B sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
51 54first strand
Strand 2
B
58 62anti-parallel
Strand 3
B
71 76anti-parallel
Strand 4
B
148 152anti-parallel
Strand 5
B
133 138anti-parallel
Strand 6
B
174 176anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il