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


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 1GCA entry

There is 1 chain in PDB entry 1GCA (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 1LYS 309
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 14 helices in PDB entry 1GCA. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
HA
A
15 29Right-handed alpha
Helix 2
HB
A
45 57Right-handed alpha
Helix 3
3A
A
70 72Right-handed 310
Helix 4
HC
A
73 82Right-handed alpha
Helix 5
HD
A
96 100Right-handed alpha
Helix 6
HE
A
112 129Right-handed alpha
Helix 7
3B
A
131 133Right-handed 310
Helix 8
HF
A
153 168Right-handed alpha
Helix 9
HG
A
185 196Right-handed alpha
Helix 10
3C
A
201 203Right-handed 310
Helix 11
HH
A
212 224Right-handed alpha
Helix 12
HI
A
239 247Right-handed alpha
Helix 13
HJ
A
258 273Right-handed alpha
Helix 14
HK
A
303 306Right-handed 310
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There are 2 sheets in PDB entry 1GCA. Click on sheet of interest to get list of strands forming it: S1, S2,

There are 6 strands in S1 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
34 40first strand
Strand 2
A
3 9parallel
Strand 3
A
62 65parallel
Strand 4
A
87 90parallel
Strand 5
A
105 109parallel
Strand 6
A
290 292parallel
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There are 6 strands in S2 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
173 180first strand
Strand 2
A
141 147parallel
Strand 3
A
206 210parallel
Strand 4
A
232 234parallel
Strand 5
A
252 255parallel
Strand 6
A
296 298anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il