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


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 1QPA entry

There are 4 chains in PDB entry 1QPA (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 VAL 0VAL 170
A
 LEU 172ASN 345
B
 VAL 0VAL 170
B
 LEU 172ASN 345
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 36 helices in PDB entry 1QPA. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
AA
A
12 17Right-handed 310
Helix 2
AA1
A
18 27Right-handed alpha
Helix 3
AB
A
36 49Right-handed alpha
Helix 4
AC
A
54 58Right-handed alpha
Helix 5
AD
A
70 73Right-handed alpha
Helix 6
AD1
A
75 78Right-handed alpha
Helix 7
AE
A
82 84Right-handed 310
Helix 8
AF
A
87 101Right-handed alpha
Helix 9
AG
A
105 118Right-handed alpha
Helix 10
AH
A
151 162Right-handed alpha
Helix 11
AI
A
166 172Right-handed alpha
Helix 12
AI1
A
173 177Right-handed alpha
Helix 13
AK
A
203 207Right-handed alpha
Helix 14
AL
A
236 243Right-handed alpha
Helix 15
AM
A
258 273Right-handed alpha
Helix 16
AN
A
279 281Right-handed 310
Helix 17
AO
A
286 288Right-handed 310
Helix 18
AR
A
310 312Right-handed 310
Helix 19
BA
B
12 17Right-handed 310
Helix 20
BA1
B
18 27Right-handed alpha
Helix 21
BB
B
36 49Right-handed alpha
Helix 22
BC
B
54 57Right-handed alpha
Helix 23
BD
B
70 73Right-handed alpha
Helix 24
BD1
B
75 78Right-handed alpha
Helix 25
BE
B
82 84Right-handed 310
Helix 26
BF
B
87 101Right-handed alpha
Helix 27
BG
B
105 118Right-handed alpha
Helix 28
BH
B
151 162Right-handed alpha
Helix 29
BI
B
166 172Right-handed alpha
Helix 30
BI1
B
173 177Right-handed alpha
Helix 31
BK
B
203 207Right-handed alpha
Helix 32
BL
B
236 243Right-handed alpha
Helix 33
BM
B
258 273Right-handed alpha
Helix 34
BN
B
279 281Right-handed 310
Helix 35
BO
B
286 288Right-handed 310
Helix 36
BR
B
310 312Right-handed 310
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There are 8 sheets in PDB entry 1QPA. Click on sheet of interest to get list of strands forming it: AA, AB, AC, AD, BA, BB, BC, BD,

There are 2 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
129 130first strand
Strand 2
A
283 284anti-parallel
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There are 2 strands in AB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
180 181first strand
Strand 2
A
191 192anti-parallel
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There are 2 strands in AC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
224 225first strand
Strand 2
A
234 235anti-parallel
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There are 2 strands in AD sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
303 304first strand
Strand 2
A
326 327parallel
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There are 2 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
129 130first strand
Strand 2
B
283 284anti-parallel
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There are 2 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
180 181first strand
Strand 2
B
191 192anti-parallel
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There are 2 strands in BC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
224 225first strand
Strand 2
B
234 235anti-parallel
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There are 2 strands in BD sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
303 304first strand
Strand 2
B
326 327parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il