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


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 3IGQ entry

There are 6 chains in PDB entry 3IGQ (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 4GLN 193
B
 MET 4GLN 193
C
 VAL 5GLN 193
D
 MET 4GLN 193
E
 MET 4GLN 193
F
 MET 4GLN 193
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 24 helices in PDB entry 3IGQ. 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 53Right-handed 310
Helix 2
2
A
55 60Right-handed alpha
Helix 3
3
A
67 71Right-handed 310
Helix 4
4
A
146 149Right-handed 310
Helix 5
5
B
50 53Right-handed 310
Helix 6
6
B
55 60Right-handed alpha
Helix 7
7
B
67 71Right-handed 310
Helix 8
8
B
146 149Right-handed 310
Helix 9
9
C
50 53Right-handed 310
Helix 10
10
C
55 60Right-handed alpha
Helix 11
11
C
67 71Right-handed 310
Helix 12
12
C
146 149Right-handed 310
Helix 13
13
D
50 53Right-handed 310
Helix 14
14
D
55 60Right-handed alpha
Helix 15
15
D
67 71Right-handed 310
Helix 16
16
D
146 149Right-handed 310
Helix 17
17
E
50 53Right-handed 310
Helix 18
18
E
55 60Right-handed alpha
Helix 19
19
E
67 71Right-handed 310
Helix 20
20
E
146 149Right-handed 310
Helix 21
21
F
50 53Right-handed 310
Helix 22
22
F
55 60Right-handed alpha
Helix 23
23
F
67 71Right-handed 310
Helix 24
24
F
146 149Right-handed 310
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There are 18 sheets in PDB entry 3IGQ. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R,

There are 6 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
64 65first strand
Strand 2
A
86 94anti-parallel
Strand 3
A
99 111anti-parallel
Strand 4
A
36 48anti-parallel
Strand 5
A
16 28anti-parallel
Strand 6
A
140 144parallel
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There are 6 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
64 65first strand
Strand 2
A
86 94anti-parallel
Strand 3
A
99 111anti-parallel
Strand 4
A
36 48anti-parallel
Strand 5
A
16 28anti-parallel
Strand 6
A
150 151parallel
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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
76 78first strand
Strand 2
A
123 132anti-parallel
Strand 3
A
183 192anti-parallel
Strand 4
A
160 170anti-parallel
Strand 5
A
155 157anti-parallel
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There are 6 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
64 65first strand
Strand 2
B
86 94anti-parallel
Strand 3
B
99 111anti-parallel
Strand 4
B
36 48anti-parallel
Strand 5
B
16 28anti-parallel
Strand 6
B
140 144parallel
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There are 6 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
64 65first strand
Strand 2
B
86 94anti-parallel
Strand 3
B
99 111anti-parallel
Strand 4
B
36 48anti-parallel
Strand 5
B
16 28anti-parallel
Strand 6
B
150 151parallel
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There are 5 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
76 78first strand
Strand 2
B
123 132anti-parallel
Strand 3
B
183 192anti-parallel
Strand 4
B
160 170anti-parallel
Strand 5
B
155 157anti-parallel
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There are 6 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
64 65first strand
Strand 2
C
86 94anti-parallel
Strand 3
C
99 111anti-parallel
Strand 4
C
36 48anti-parallel
Strand 5
C
16 28anti-parallel
Strand 6
C
140 144parallel
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There are 6 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
64 65first strand
Strand 2
C
86 94anti-parallel
Strand 3
C
99 111anti-parallel
Strand 4
C
36 48anti-parallel
Strand 5
C
16 28anti-parallel
Strand 6
C
150 151parallel
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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
C
76 78first strand
Strand 2
C
123 132anti-parallel
Strand 3
C
183 192anti-parallel
Strand 4
C
160 168anti-parallel
Strand 5
C
155 157anti-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
D
64 65first strand
Strand 2
D
86 94anti-parallel
Strand 3
D
99 111anti-parallel
Strand 4
D
36 48anti-parallel
Strand 5
D
16 28anti-parallel
Strand 6
D
140 144parallel
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There are 6 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
64 65first strand
Strand 2
D
86 94anti-parallel
Strand 3
D
99 111anti-parallel
Strand 4
D
36 48anti-parallel
Strand 5
D
16 28anti-parallel
Strand 6
D
150 151parallel
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There are 5 strands in L sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
76 78first strand
Strand 2
D
124 132anti-parallel
Strand 3
D
183 192anti-parallel
Strand 4
D
160 170anti-parallel
Strand 5
D
155 157anti-parallel
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There are 6 strands in M sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
64 65first strand
Strand 2
E
86 94anti-parallel
Strand 3
E
99 111anti-parallel
Strand 4
E
36 48anti-parallel
Strand 5
E
16 28anti-parallel
Strand 6
E
140 144parallel
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There are 6 strands in N sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
64 65first strand
Strand 2
E
86 94anti-parallel
Strand 3
E
99 111anti-parallel
Strand 4
E
36 48anti-parallel
Strand 5
E
16 28anti-parallel
Strand 6
E
150 151parallel
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There are 5 strands in O sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
76 78first strand
Strand 2
E
124 132anti-parallel
Strand 3
E
182 192anti-parallel
Strand 4
E
160 171anti-parallel
Strand 5
E
155 157anti-parallel
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There are 6 strands in P sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
64 65first strand
Strand 2
F
86 94anti-parallel
Strand 3
F
99 111anti-parallel
Strand 4
F
36 48anti-parallel
Strand 5
F
16 28anti-parallel
Strand 6
F
140 144parallel
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There are 6 strands in Q sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
64 65first strand
Strand 2
F
86 94anti-parallel
Strand 3
F
99 111anti-parallel
Strand 4
F
36 48anti-parallel
Strand 5
F
16 28anti-parallel
Strand 6
F
150 151parallel
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There are 5 strands in R sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
76 78first strand
Strand 2
F
123 132anti-parallel
Strand 3
F
182 192anti-parallel
Strand 4
F
160 171anti-parallel
Strand 5
F
155 157anti-parallel
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