Analysis of interatomic Contacts of Structural Units in PDB entry:
2RF4


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 2RF4 entry

There are 6 chains in PDB entry 2RF4 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 LYS 22ILE 250
B
 LEU 16PRO 101
C
 LYS 21ILE 250
D
 ASN 17PRO 101
E
 LYS 21ILE 250
F
 ASN 17PRO 101
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 18 helices in PDB entry 2RF4. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
50 54Right-handed 310
Helix 2
2
A
56 70Right-handed alpha
Helix 3
3
A
150 152Right-handed 310
Helix 4
4
B
32 49Right-handed alpha
Helix 5
5
B
81 99Right-handed alpha
Helix 6
6
C
50 54Right-handed 310
Helix 7
7
C
57 62Right-handed alpha
Helix 8
8
C
65 70Right-handed alpha
Helix 9
9
C
89 92Right-handed 310
Helix 10
10
C
150 152Right-handed 310
Helix 11
11
C
159 162Right-handed 310
Helix 12
12
D
32 49Right-handed alpha
Helix 13
13
D
81 99Right-handed alpha
Helix 14
14
E
50 54Right-handed 310
Helix 15
15
E
57 70Right-handed alpha
Helix 16
16
E
150 152Right-handed 310
Helix 17
17
F
32 49Right-handed alpha
Helix 18
18
F
81 99Right-handed alpha
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There are 11 sheets in PDB entry 2RF4. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K,

There are 5 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
73 74first strand
Strand 2
A
79 88anti-parallel
Strand 3
A
115 125anti-parallel
Strand 4
A
38 48anti-parallel
Strand 5
B
21 24anti-parallel
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There are 5 strands in B sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
73 74first strand
Strand 2
A
79 88anti-parallel
Strand 3
A
115 125anti-parallel
Strand 4
A
38 48anti-parallel
Strand 5
B
29 30anti-parallel
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There are 6 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
132 137first strand
Strand 2
A
145 149anti-parallel
Strand 3
A
153 157anti-parallel
Strand 4
A
244 248parallel
Strand 5
A
228 237anti-parallel
Strand 6
A
132 137anti-parallel
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There are 5 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
73 74first strand
Strand 2
C
79 88anti-parallel
Strand 3
C
116 125anti-parallel
Strand 4
C
38 47anti-parallel
Strand 5
D
21 24anti-parallel
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There are 5 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
73 74first strand
Strand 2
C
79 88anti-parallel
Strand 3
C
116 125anti-parallel
Strand 4
C
38 47anti-parallel
Strand 5
D
29 30anti-parallel
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There are 6 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
132 137first strand
Strand 2
C
145 149anti-parallel
Strand 3
C
153 157anti-parallel
Strand 4
C
244 248parallel
Strand 5
C
228 237anti-parallel
Strand 6
C
132 137anti-parallel
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There are 2 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
28 29first strand
Strand 2
E
34 35anti-parallel
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There are 5 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
73 74first strand
Strand 2
E
79 88anti-parallel
Strand 3
E
116 125anti-parallel
Strand 4
E
38 47anti-parallel
Strand 5
F
21 24anti-parallel
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There are 5 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
73 74first strand
Strand 2
E
79 88anti-parallel
Strand 3
E
116 125anti-parallel
Strand 4
E
38 47anti-parallel
Strand 5
F
29 30anti-parallel
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There are 6 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
132 140first strand
Strand 2
E
145 149anti-parallel
Strand 3
E
153 157anti-parallel
Strand 4
E
244 248parallel
Strand 5
E
228 237anti-parallel
Strand 6
E
132 140anti-parallel
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There are 2 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
170 171first strand
Strand 2
E
211 215anti-parallel
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