Analysis of interatomic Contacts of Structural Units in PDB entry:
1HL4


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 1HL4 entry

There are 4 chains in PDB entry 1HL4 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 1GLN 153
B
 ALA 1GLN 153
C
 ALA 1GLN 153
D
 ALA 1GLN 153
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 7 helices in PDB entry 1HL4. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
55 61Right-handed 310
Helix 2
2
A
132 136Right-handed 310
Helix 3
3
B
56 61Right-handed 310
Helix 4
4
B
133 138Right-handed alpha
Helix 5
5
C
55 61Right-handed 310
Helix 6
6
C
107 110Right-handed 310
Helix 7
7
D
55 61Right-handed 310
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There are 7 sheets in PDB entry 1HL4. Click on sheet of interest to get list of strands forming it: AA, BA, BB, CA, CB, A, DB,

There are 11 strands in AA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
2 10first strand
Strand 2
A
15 22anti-parallel
Strand 3
A
29 36anti-parallel
Strand 4
A
95 101anti-parallel
Strand 5
A
83 89anti-parallel
Strand 6
A
41 48anti-parallel
Strand 7
A
116 120anti-parallel
Strand 8
A
143 148anti-parallel
Strand 9
A
2 10anti-parallel
Strand 10
A
15 22anti-parallel
Strand 11
A
2 10anti-parallel
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There are 5 strands in BA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
95 101first strand
Strand 2
B
29 36anti-parallel
Strand 3
B
15 21anti-parallel
Strand 4
B
3 9anti-parallel
Strand 5
B
150 151anti-parallel
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There are 4 strands in BB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
83 89first strand
Strand 2
B
41 48anti-parallel
Strand 3
B
116 120anti-parallel
Strand 4
B
143 148anti-parallel
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There are 5 strands in CA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
95 101first strand
Strand 2
C
29 36anti-parallel
Strand 3
C
15 22anti-parallel
Strand 4
C
3 8anti-parallel
Strand 5
C
150 151anti-parallel
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There are 4 strands in CB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
83 89first strand
Strand 2
C
41 48anti-parallel
Strand 3
C
116 120anti-parallel
Strand 4
C
143 148anti-parallel
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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
D
95 101first strand
Strand 2
D
29 36anti-parallel
Strand 3
D
15 22anti-parallel
Strand 4
D
3 9anti-parallel
Strand 5
D
150 151anti-parallel
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There are 4 strands in DB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
83 89first strand
Strand 2
D
41 48anti-parallel
Strand 3
D
116 120anti-parallel
Strand 4
D
143 148anti-parallel
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