Analysis of interatomic Contacts of Structural Units in PDB entry:
3N9U


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 3N9U entry

There are 4 chains in PDB entry 3N9U (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ASN 22ASN 227
B
 GLN 27ASN 227
C
 ALA 82CYS 177
I
 VAL 84ARG 175
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 3N9U. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
41 43Right-handed 310
Helix 2
2
A
59 75Right-handed alpha
Helix 3
3
A
116 130Right-handed alpha
Helix 4
4
A
198 202Right-handed alpha
Helix 5
5
A
204 213Right-handed alpha
Helix 6
6
A
214 220Right-handed alpha
Helix 7
7
B
41 43Right-handed 310
Helix 8
8
B
59 74Right-handed alpha
Helix 9
9
B
116 130Right-handed alpha
Helix 10
10
B
198 202Right-handed alpha
Helix 11
11
B
204 213Right-handed alpha
Helix 12
12
B
214 220Right-handed alpha
Helix 13
13
C
94 105Right-handed alpha
Helix 14
14
C
134 145Right-handed alpha
Helix 15
15
C
161 177Right-handed alpha
Helix 16
16
I
94 104Right-handed alpha
Helix 17
17
I
138 145Right-handed alpha
Helix 18
18
I
161 173Right-handed alpha
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There are 12 sheets in PDB entry 3N9U. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K, L,

There are 2 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
36 39first strand
Strand 2
A
223 226parallel
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There are 2 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
45 50first strand
Strand 2
A
183 188parallel
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There are 5 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
103 105first strand
Strand 2
A
91 100anti-parallel
Strand 3
A
77 88anti-parallel
Strand 4
A
170 178parallel
Strand 5
A
140 150anti-parallel
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There are 4 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
108 110first strand
Strand 2
A
77 88anti-parallel
Strand 3
A
91 100anti-parallel
Strand 4
A
192 197anti-parallel
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There are 2 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
35 39first strand
Strand 2
B
222 226parallel
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There are 2 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
45 50first strand
Strand 2
B
183 188parallel
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There are 5 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
103 105first strand
Strand 2
B
91 99anti-parallel
Strand 3
B
77 88anti-parallel
Strand 4
B
170 178parallel
Strand 5
B
140 150anti-parallel
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There are 4 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
108 110first strand
Strand 2
B
77 88anti-parallel
Strand 3
B
91 99anti-parallel
Strand 4
B
192 197anti-parallel
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There are 4 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
110 117first strand
Strand 2
C
124 132anti-parallel
Strand 3
C
83 87anti-parallel
Strand 4
C
156 159anti-parallel
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There are 2 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
149 150first strand
Strand 2
C
153 154anti-parallel
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There are 4 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
I
112 117first strand
Strand 2
I
124 131anti-parallel
Strand 3
I
85 87anti-parallel
Strand 4
I
156 158anti-parallel
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There are 2 strands in L sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
I
149 150first strand
Strand 2
I
153 154anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il