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


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 1STM entry

There are 5 chains in PDB entry 1STM (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 17SER 157
B
 ALA 17SER 157
C
 ALA 17SER 157
D
 ALA 17SER 157
E
 ALA 17SER 157
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 10 helices in PDB entry 1STM. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
A1
A
41 43Right-handed 310
Helix 2
A2
A
45 49Right-handed alpha
Helix 3
B1
B
41 43Right-handed 310
Helix 4
B2
B
45 49Right-handed alpha
Helix 5
C1
C
41 43Right-handed 310
Helix 6
C2
C
45 49Right-handed alpha
Helix 7
D1
D
41 43Right-handed 310
Helix 8
D2
D
45 49Right-handed alpha
Helix 9
E1
E
41 43Right-handed 310
Helix 10
E2
E
45 49Right-handed alpha
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There are 10 sheets in PDB entry 1STM. Click on sheet of interest to get list of strands forming it: AA, AB, BA, BB, CA, CB, A, DB, EA, EB,

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
21 29first strand
Strand 2
A
139 149anti-parallel
Strand 3
A
55 66anti-parallel
Strand 4
A
98 102anti-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
91 93first strand
Strand 2
A
70 76anti-parallel
Strand 3
A
121 128anti-parallel
Strand 4
A
36 40anti-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
21 29first strand
Strand 2
B
139 149anti-parallel
Strand 3
B
55 66anti-parallel
Strand 4
B
98 102anti-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
91 93first strand
Strand 2
B
70 76anti-parallel
Strand 3
B
121 128anti-parallel
Strand 4
B
36 40anti-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
21 29first strand
Strand 2
C
139 149anti-parallel
Strand 3
C
55 66anti-parallel
Strand 4
C
98 102anti-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
91 93first strand
Strand 2
C
70 76anti-parallel
Strand 3
C
121 128anti-parallel
Strand 4
C
36 40anti-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
21 29first strand
Strand 2
D
139 149anti-parallel
Strand 3
D
55 66anti-parallel
Strand 4
D
98 102anti-parallel
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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
91 93first strand
Strand 2
D
70 76anti-parallel
Strand 3
D
121 128anti-parallel
Strand 4
D
36 40anti-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
21 29first strand
Strand 2
E
139 149anti-parallel
Strand 3
E
55 66anti-parallel
Strand 4
E
98 102anti-parallel
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There are 4 strands in EB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
91 93first strand
Strand 2
E
70 76anti-parallel
Strand 3
E
121 128anti-parallel
Strand 4
E
36 40anti-parallel
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