Analysis of interatomic Contacts of Structural Units in PDB entry:
21AZ


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 21AZ entry

There are 2 chains in PDB entry 21AZ (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 LEU 24SER 546
B
 LEU 24SER 546
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 28 helices in PDB entry 21AZ. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
AA1
A
26 39Right-handed alpha
Helix 2
AA2
A
82 88Right-handed 310
Helix 3
AA3
A
109 113Right-handed 310
Helix 4
AA4
A
131 137Right-handed 310
Helix 5
AA5
A
155 161Right-handed 310
Helix 6
AA6
A
188 192Right-handed 310
Helix 7
AA7
A
210 214Right-handed 310
Helix 8
AA8
A
235 241Right-handed 310
Helix 9
AA9
A
259 265Right-handed 310
Helix 10
AB1
A
309 313Right-handed 310
Helix 11
AB2
A
392 398Right-handed alpha
Helix 12
AB3
A
402 406Right-handed 310
Helix 13
AB4
A
457 474Right-handed alpha
Helix 14
AB5
A
510 523Right-handed alpha
Helix 15
AB6
A
529 533Right-handed 310
Helix 16
AB7
B
26 39Right-handed alpha
Helix 17
AB8
B
82 88Right-handed 310
Helix 18
AB9
B
109 113Right-handed 310
Helix 19
AC1
B
131 137Right-handed 310
Helix 20
AC2
B
155 161Right-handed 310
Helix 21
AC3
B
188 192Right-handed 310
Helix 22
AC4
B
210 214Right-handed 310
Helix 23
AC5
B
235 241Right-handed 310
Helix 24
AC6
B
259 265Right-handed 310
Helix 25
AC7
B
307 313Right-handed 310
Helix 26
AC8
B
457 474Right-handed alpha
Helix 27
AC9
B
510 523Right-handed alpha
Helix 28
AD1
B
529 533Right-handed 310
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There are 12 sheets in PDB entry 21AZ. Click on sheet of interest to get list of strands forming it: AA1, AA2, AA3, AA4, AA5, AA6, AA7, AA8, AA9, AB1, AB2, AB3,

There are 15 strands in AA1 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
60 63first strand
Strand 2
A
66 71anti-parallel
Strand 3
A
93 95parallel
Strand 4
A
118 120parallel
Strand 5
A
142 144parallel
Strand 6
A
166 168parallel
Strand 7
A
197 199parallel
Strand 8
A
222 224parallel
Strand 9
A
246 248parallel
Strand 10
A
270 272parallel
Strand 11
A
293 295parallel
Strand 12
A
318 320parallel
Strand 13
A
342 344parallel
Strand 14
A
366 368parallel
Strand 15
A
386 388parallel
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There are 3 strands in AA2 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
103 104first strand
Strand 2
A
125 129parallel
Strand 3
A
149 151parallel
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There are 3 strands in AA3 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
175 176first strand
Strand 2
A
204 208parallel
Strand 3
A
229 231parallel
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There are 4 strands in AA4 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
304 305first strand
Strand 2
A
326 328parallel
Strand 3
A
349 355parallel
Strand 4
A
373 378parallel
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There are 2 strands in AA5 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
429 430first strand
Strand 2
A
436 437anti-parallel
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There are 4 strands in AA6 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
478 488first strand
Strand 2
A
495 503anti-parallel
Strand 3
A
440 446anti-parallel
Strand 4
A
535 539anti-parallel
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There are 15 strands in AA7 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
60 63first strand
Strand 2
B
66 71anti-parallel
Strand 3
B
93 95parallel
Strand 4
B
118 120parallel
Strand 5
B
142 144parallel
Strand 6
B
166 168parallel
Strand 7
B
197 199parallel
Strand 8
B
222 224parallel
Strand 9
B
246 248parallel
Strand 10
B
270 272parallel
Strand 11
B
293 295parallel
Strand 12
B
318 320parallel
Strand 13
B
342 344parallel
Strand 14
B
366 368parallel
Strand 15
B
386 388parallel
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There are 3 strands in AA8 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
103 104first strand
Strand 2
B
125 129parallel
Strand 3
B
149 151parallel
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There are 3 strands in AA9 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
175 176first strand
Strand 2
B
204 208parallel
Strand 3
B
229 231parallel
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There are 4 strands in AB1 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
304 305first strand
Strand 2
B
326 328parallel
Strand 3
B
349 355parallel
Strand 4
B
373 378parallel
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There are 2 strands in AB2 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
429 430first strand
Strand 2
B
436 437anti-parallel
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There are 4 strands in AB3 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
478 488first strand
Strand 2
B
495 503anti-parallel
Strand 3
B
440 446anti-parallel
Strand 4
B
535 539anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il