Analysis of interatomic Contacts of Structural Units in PDB entry:
3SM4


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 3SM4 entry

There are 5 chains in PDB entry 3SM4 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 THR 2ARG 226
B
 SER -1ARG 226
C
 GLY -2ARG 226
D
 T 1 G 12
E
 A 1 A 14
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 29 helices in PDB entry 3SM4. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
2 11Right-handed alpha
Helix 2
2
A
21 28Right-handed alpha
Helix 3
3
A
37 42Right-handed alpha
Helix 4
4
A
51 68Right-handed alpha
Helix 5
5
A
74 97Right-handed alpha
Helix 6
6
A
135 146Right-handed alpha
Helix 7
7
A
147 149Right-handed 310
Helix 8
8
A
150 166Right-handed alpha
Helix 9
9
A
192 217Right-handed alpha
Helix 10
10
A
222 226Right-handed 310
Helix 11
11
B
2 11Right-handed alpha
Helix 12
12
B
21 28Right-handed alpha
Helix 13
13
B
35 40Right-handed 310
Helix 14
14
B
51 68Right-handed alpha
Helix 15
15
B
75 97Right-handed alpha
Helix 16
16
B
135 146Right-handed alpha
Helix 17
17
B
147 150Right-handed 310
Helix 18
18
B
151 166Right-handed alpha
Helix 19
19
B
192 217Right-handed alpha
Helix 20
20
B
222 226Right-handed 310
Helix 21
21
C
2 11Right-handed alpha
Helix 22
22
C
13 17Right-handed 310
Helix 23
23
C
21 28Right-handed alpha
Helix 24
24
C
35 40Right-handed 310
Helix 25
25
C
51 68Right-handed alpha
Helix 26
26
C
74 84Right-handed alpha
Helix 27
27
C
84 97Right-handed alpha
Helix 28
28
C
135 166Right-handed alpha
Helix 29
29
C
192 217Right-handed alpha
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There are 6 sheets in PDB entry 3SM4. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F,

There are 3 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
32 33first strand
Strand 2
A
114 116parallel
Strand 3
A
106 107anti-parallel
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There are 4 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
100 101first strand
Strand 2
A
120 122anti-parallel
Strand 3
A
169 175parallel
Strand 4
A
184 190anti-parallel
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There are 3 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
32 33first strand
Strand 2
B
114 116parallel
Strand 3
B
106 107anti-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
B
100 101first strand
Strand 2
B
120 122anti-parallel
Strand 3
B
169 175parallel
Strand 4
B
184 190anti-parallel
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There are 3 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
32 33first strand
Strand 2
C
114 116parallel
Strand 3
C
106 107anti-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
100 101first strand
Strand 2
C
120 122anti-parallel
Strand 3
C
169 175parallel
Strand 4
C
184 190anti-parallel
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