Analysis of interatomic Contacts of Structural Units in PDB entry:
1C4R


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 1C4R entry

There are 8 chains in PDB entry 1C4R (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 HIS 82VAL 291
B
 HIS 82GLY 289
C
 HIS 82VAL 291
D
 HIS 82GLY 289
E
 HIS 82PRO 292
F
 HIS 82VAL 288
G
 GLY 81PRO 292
H
 HIS 82VAL 288
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 19 helices in PDB entry 1C4R. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
101 105Right-handed 310
Helix 2
2
A
267 274Right-handed alpha
Helix 3
3
B
101 105Right-handed 310
Helix 4
4
B
247 251Right-handed 310
Helix 5
5
B
267 273Right-handed alpha
Helix 6
6
C
101 105Right-handed 310
Helix 7
7
C
267 274Right-handed alpha
Helix 8
8
D
101 105Right-handed 310
Helix 9
9
D
247 251Right-handed 310
Helix 10
10
D
267 273Right-handed alpha
Helix 11
11
E
101 105Right-handed 310
Helix 12
12
E
267 274Right-handed alpha
Helix 13
13
F
247 251Right-handed 310
Helix 14
14
F
267 274Right-handed alpha
Helix 15
15
G
101 105Right-handed 310
Helix 16
16
G
247 251Right-handed 310
Helix 17
17
G
267 274Right-handed alpha
Helix 18
18
H
101 105Right-handed 310
Helix 19
19
H
267 274Right-handed alpha
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There are 16 sheets in PDB entry 1C4R. Click on sheet of interest to get list of strands forming it: A, A1, B, B1, C, C1, D, D1, E, E1, F, F1, G, G1, H, H1,

There are 7 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
279 287first strand
Strand 2
A
86 99anti-parallel
Strand 3
A
240 245anti-parallel
Strand 4
A
124 131anti-parallel
Strand 5
A
138 144anti-parallel
Strand 6
A
147 153anti-parallel
Strand 7
A
159 162anti-parallel
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There are 7 strands in A1 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
279 287first strand
Strand 2
A
86 99anti-parallel
Strand 3
A
256 263anti-parallel
Strand 4
A
110 118anti-parallel
Strand 5
A
174 181anti-parallel
Strand 6
A
184 189anti-parallel
Strand 7
A
195 197anti-parallel
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There are 7 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
279 287first strand
Strand 2
B
86 99anti-parallel
Strand 3
B
240 245anti-parallel
Strand 4
B
123 131anti-parallel
Strand 5
B
138 144anti-parallel
Strand 6
B
147 153anti-parallel
Strand 7
B
159 162anti-parallel
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There are 7 strands in B1 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
279 287first strand
Strand 2
B
86 99anti-parallel
Strand 3
B
256 263anti-parallel
Strand 4
B
110 118anti-parallel
Strand 5
B
174 181anti-parallel
Strand 6
B
184 189anti-parallel
Strand 7
B
195 197anti-parallel
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There are 7 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
279 287first strand
Strand 2
C
86 99anti-parallel
Strand 3
C
240 245anti-parallel
Strand 4
C
124 131anti-parallel
Strand 5
C
138 144anti-parallel
Strand 6
C
147 153anti-parallel
Strand 7
C
158 162anti-parallel
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There are 7 strands in C1 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
279 287first strand
Strand 2
C
86 99anti-parallel
Strand 3
C
256 263anti-parallel
Strand 4
C
110 118anti-parallel
Strand 5
C
174 181anti-parallel
Strand 6
C
184 189anti-parallel
Strand 7
C
195 197anti-parallel
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There are 7 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
279 288first strand
Strand 2
D
86 99anti-parallel
Strand 3
D
240 245anti-parallel
Strand 4
D
124 131anti-parallel
Strand 5
D
138 144anti-parallel
Strand 6
D
147 153anti-parallel
Strand 7
D
158 162anti-parallel
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There are 7 strands in D1 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
279 288first strand
Strand 2
D
86 99anti-parallel
Strand 3
D
256 263anti-parallel
Strand 4
D
110 118anti-parallel
Strand 5
D
174 181anti-parallel
Strand 6
D
184 189anti-parallel
Strand 7
D
195 197anti-parallel
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There are 7 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
279 287first strand
Strand 2
E
86 99anti-parallel
Strand 3
E
240 245anti-parallel
Strand 4
E
124 131anti-parallel
Strand 5
E
138 144anti-parallel
Strand 6
E
147 153anti-parallel
Strand 7
E
159 162anti-parallel
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There are 7 strands in E1 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
279 287first strand
Strand 2
E
86 99anti-parallel
Strand 3
E
256 263anti-parallel
Strand 4
E
110 118anti-parallel
Strand 5
E
174 181anti-parallel
Strand 6
E
184 189anti-parallel
Strand 7
E
195 197anti-parallel
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There are 7 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
279 287first strand
Strand 2
F
86 99anti-parallel
Strand 3
F
240 245anti-parallel
Strand 4
F
123 131anti-parallel
Strand 5
F
138 144anti-parallel
Strand 6
F
147 153anti-parallel
Strand 7
F
159 162anti-parallel
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There are 7 strands in F1 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
279 287first strand
Strand 2
F
86 99anti-parallel
Strand 3
F
256 263anti-parallel
Strand 4
F
110 118anti-parallel
Strand 5
F
174 181anti-parallel
Strand 6
F
184 189anti-parallel
Strand 7
F
195 197anti-parallel
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There are 7 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
G
279 287first strand
Strand 2
G
86 99anti-parallel
Strand 3
G
240 245anti-parallel
Strand 4
G
124 131anti-parallel
Strand 5
G
138 144anti-parallel
Strand 6
G
147 153anti-parallel
Strand 7
G
159 162anti-parallel
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There are 7 strands in G1 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
G
279 287first strand
Strand 2
G
86 99anti-parallel
Strand 3
G
256 263anti-parallel
Strand 4
G
110 118anti-parallel
Strand 5
G
174 181anti-parallel
Strand 6
G
184 189anti-parallel
Strand 7
G
195 197anti-parallel
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There are 7 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
279 288first strand
Strand 2
H
86 99anti-parallel
Strand 3
H
240 245anti-parallel
Strand 4
H
123 131anti-parallel
Strand 5
H
138 144anti-parallel
Strand 6
H
147 153anti-parallel
Strand 7
H
159 162anti-parallel
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There are 7 strands in H1 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
279 288first strand
Strand 2
H
86 99anti-parallel
Strand 3
H
256 263anti-parallel
Strand 4
H
110 118anti-parallel
Strand 5
H
174 181anti-parallel
Strand 6
H
184 189anti-parallel
Strand 7
H
195 197anti-parallel
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