Analysis of interatomic Contacts of Structural Units in PDB entry:
1A4J


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 1A4J entry

There are 4 chains in PDB entry 1A4J (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
L
 GLU 1GLY 217
H
 GLN 1VAL 217
A
 GLU 1GLY 217
B
 GLN 1VAL 217
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 1A4J. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
L
85 87Right-handed 310
Helix 2
2
L
127 132Right-handed alpha
Helix 3
3
L
188 193Right-handed alpha
Helix 4
4
H
29 31Right-handed 310
Helix 5
5
H
62 64Right-handed 310
Helix 6
6
H
88 90Right-handed 310
Helix 7
7
H
161 163Right-handed 310
Helix 8
8
H
192 194Right-handed 310
Helix 9
9
A
85 87Right-handed 310
Helix 10
10
A
127 132Right-handed alpha
Helix 11
11
A
188 193Right-handed alpha
Helix 12
12
B
62 64Right-handed 310
Helix 13
13
B
74 76Right-handed 310
Helix 14
14
B
88 90Right-handed 310
Helix 15
15
B
161 163Right-handed 310
Helix 16
16
B
192 194Right-handed 310
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There are 20 sheets in PDB entry 1A4J. 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, S, T,

There are 4 strands in A sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
L
4 6first strand
Strand 2
L
19 25anti-parallel
Strand 3
L
75 80anti-parallel
Strand 4
L
67 71anti-parallel
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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
L
10 13first strand
Strand 2
L
108 111parallel
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There are 3 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
L
90 95first strand
Strand 2
L
38 43anti-parallel
Strand 3
L
50 53anti-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
L
119 123first strand
Strand 2
L
134 142anti-parallel
Strand 3
L
180 187anti-parallel
Strand 4
L
164 168anti-parallel
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There are 3 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
L
151 155first strand
Strand 2
L
197 201anti-parallel
Strand 3
L
210 214anti-parallel
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There are 4 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
4 6first strand
Strand 2
H
18 24anti-parallel
Strand 3
H
78 83anti-parallel
Strand 4
H
68 73anti-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
H
10 12first strand
Strand 2
H
113 117parallel
Strand 3
H
92 99anti-parallel
Strand 4
H
33 39anti-parallel
Strand 5
H
46 51anti-parallel
Strand 6
H
58 60anti-parallel
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There are 3 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
126 130first strand
Strand 2
H
145 151anti-parallel
Strand 3
H
182 187anti-parallel
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There are 3 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
157 160first strand
Strand 2
H
201 206anti-parallel
Strand 3
H
211 216anti-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
H
97 100first strand
Strand 2
H
105 109anti-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
A
4 6first strand
Strand 2
A
19 25anti-parallel
Strand 3
A
75 80anti-parallel
Strand 4
A
67 71anti-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
A
10 13first strand
Strand 2
A
108 111parallel
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There are 3 strands in M sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
90 95first strand
Strand 2
A
38 43anti-parallel
Strand 3
A
50 53anti-parallel
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There are 4 strands in N sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
119 123first strand
Strand 2
A
134 142anti-parallel
Strand 3
A
180 187anti-parallel
Strand 4
A
164 168anti-parallel
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There are 3 strands in O sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
151 155first strand
Strand 2
A
197 201anti-parallel
Strand 3
A
210 214anti-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
B
10 12first strand
Strand 2
B
113 117parallel
Strand 3
B
92 99anti-parallel
Strand 4
B
33 39anti-parallel
Strand 5
B
46 51anti-parallel
Strand 6
B
58 60anti-parallel
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There are 3 strands in Q sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
18 23first strand
Strand 2
B
78 83anti-parallel
Strand 3
B
68 73anti-parallel
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There are 3 strands in R sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
126 130first strand
Strand 2
B
145 151anti-parallel
Strand 3
B
182 187anti-parallel
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There are 3 strands in S sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
157 160first strand
Strand 2
B
201 206anti-parallel
Strand 3
B
211 216anti-parallel
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There are 2 strands in T sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
97 100first strand
Strand 2
B
105 109anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il