Analysis of interatomic Contacts of Structural Units in PDB entry:
1ZC4


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 1ZC4 entry

There are 4 chains in PDB entry 1ZC4 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER 11SER 183
B
 GLY 171GLN 283
C
 SER 11SER 183
D
 GLY 171GLN 283
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 16 helices in PDB entry 1ZC4. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
26 37Right-handed alpha
Helix 2
2
A
75 85Right-handed alpha
Helix 3
3
A
97 103Right-handed alpha
Helix 4
4
A
103 116Right-handed alpha
Helix 5
5
A
128 135Right-handed 310
Helix 6
6
A
138 150Right-handed alpha
Helix 7
7
A
163 182Right-handed alpha
Helix 8
8
B
257 281Right-handed alpha
Helix 9
9
C
26 37Right-handed alpha
Helix 10
10
C
75 85Right-handed alpha
Helix 11
11
C
97 103Right-handed alpha
Helix 12
12
C
103 116Right-handed alpha
Helix 13
13
C
131 135Right-handed 310
Helix 14
14
C
138 150Right-handed alpha
Helix 15
15
C
163 183Right-handed alpha
Helix 16
16
D
257 283Right-handed alpha
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There are 2 sheets in PDB entry 1ZC4. Click on sheet of interest to get list of strands forming it: A, B,

There are 13 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
153 155first strand
Strand 2
A
122 127parallel
Strand 3
A
88 94parallel
Strand 4
A
14 20parallel
Strand 5
A
60 69parallel
Strand 6
A
48 57anti-parallel
Strand 7
D
228 232parallel
Strand 8
D
241 246anti-parallel
Strand 9
D
249 254anti-parallel
Strand 10
D
174 183anti-parallel
Strand 11
D
190 199anti-parallel
Strand 12
D
202 209anti-parallel
Strand 13
D
216 223anti-parallel
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There are 13 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
216 223first strand
Strand 2
B
202 209anti-parallel
Strand 3
B
189 199anti-parallel
Strand 4
B
174 184anti-parallel
Strand 5
B
249 254anti-parallel
Strand 6
B
241 246anti-parallel
Strand 7
B
228 232anti-parallel
Strand 8
C
48 57parallel
Strand 9
C
60 69anti-parallel
Strand 10
C
14 20parallel
Strand 11
C
88 94parallel
Strand 12
C
122 127parallel
Strand 13
C
152 155parallel
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