Analysis of interatomic Contacts of Structural Units in PDB entry:
21GM


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 21GM entry

There are 4 chains in PDB entry 21GM (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 LEU 38LEU 225
B
 TYR 21PHE 195
C
 LEU 32SER 219
D
 ILE 32LYS 216
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 9 helices in PDB entry 21GM. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
AA1
A
147 150Right-handed 310
Helix 2
AA2
A
151 156Right-handed alpha
Helix 3
AA3
A
162 225Right-handed alpha
Helix 4
AA4
B
115 121Right-handed alpha
Helix 5
AA5
B
128 195Right-handed alpha
Helix 6
AA6
C
152 219Right-handed alpha
Helix 7
AA7
D
129 133Right-handed 310
Helix 8
AA8
D
134 143Right-handed alpha
Helix 9
AA9
D
145 216Right-handed alpha
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There are 11 sheets in PDB entry 21GM. Click on sheet of interest to get list of strands forming it: AA1, AA2, AA3, AA4, AA5, AA6, AA7, AA8, AA9, AB1, AB2,

There are 4 strands in AA1 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
41 42first strand
Strand 2
A
137 139anti-parallel
Strand 3
A
59 67anti-parallel
Strand 4
A
109 111anti-parallel
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There are 3 strands in AA2 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
105 106first strand
Strand 2
A
59 67anti-parallel
Strand 3
A
142 145anti-parallel
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There are 4 strands in AA3 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
47 54first strand
Strand 2
A
116 124anti-parallel
Strand 3
A
85 90anti-parallel
Strand 4
A
96 102anti-parallel
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There are 3 strands in AA4 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
22 25first strand
Strand 2
B
104 107anti-parallel
Strand 3
B
48 51anti-parallel
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There are 2 strands in AA5 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
35 37first strand
Strand 2
B
88 90anti-parallel
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There are 3 strands in AA6 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
81 83first strand
Strand 2
B
42 45anti-parallel
Strand 3
B
110 112anti-parallel
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There are 4 strands in AA7 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
36 40first strand
Strand 2
C
118 122anti-parallel
Strand 3
C
57 66anti-parallel
Strand 4
C
92 98anti-parallel
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There are 4 strands in AA8 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
36 40first strand
Strand 2
C
118 122anti-parallel
Strand 3
C
57 66anti-parallel
Strand 4
C
124 125anti-parallel
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There are 2 strands in AA9 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
51 52first strand
Strand 2
C
102 103anti-parallel
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There are 4 strands in AB1 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
33 36first strand
Strand 2
D
120 126anti-parallel
Strand 3
D
56 61anti-parallel
Strand 4
D
93 95anti-parallel
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There are 4 strands in AB2 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
43 47first strand
Strand 2
D
104 110anti-parallel
Strand 3
D
73 77anti-parallel
Strand 4
D
83 88anti-parallel
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