Analysis of interatomic Contacts of Structural Units in PDB entry:
1O23


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 1O23 entry

There are 4 chains in PDB entry 1O23 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 THR 1PRO 123
B
 LEU 131SER 402
C
 THR 403PRO 525
D
 LEU 533SER 804
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 1O23. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
4 12Right-handed alpha
Helix 2
2
A
13 16Right-handed 310
Helix 3
3
A
17 21Right-handed 310
Helix 4
4
A
22 35Right-handed alpha
Helix 5
5
A
76 81Right-handed 310
Helix 6
6
A
85 99Right-handed alpha
Helix 7
7
A
100 104Right-handed 310
Helix 8
8
A
106 111Right-handed alpha
Helix 9
9
A
115 119Right-handed 310
Helix 10
10
B
154 162Right-handed alpha
Helix 11
11
B
191 209Right-handed alpha
Helix 12
12
B
227 243Right-handed alpha
Helix 13
13
B
279 281Right-handed 310
Helix 14
14
B
298 304Right-handed alpha
Helix 15
15
B
316 327Right-handed alpha
Helix 16
16
B
358 364Right-handed alpha
Helix 17
17
B
365 370Right-handed alpha
Helix 18
18
B
374 378Right-handed 310
Helix 19
19
C
406 414Right-handed alpha
Helix 20
20
C
415 418Right-handed 310
Helix 21
21
C
419 423Right-handed 310
Helix 22
22
C
424 437Right-handed alpha
Helix 23
23
C
478 483Right-handed 310
Helix 24
24
C
487 501Right-handed alpha
Helix 25
25
C
502 506Right-handed 310
Helix 26
26
C
508 513Right-handed alpha
Helix 27
27
C
517 521Right-handed 310
Helix 28
28
D
556 563Right-handed alpha
Helix 29
29
D
593 611Right-handed alpha
Helix 30
30
D
629 645Right-handed alpha
Helix 31
31
D
681 683Right-handed 310
Helix 32
32
D
700 706Right-handed alpha
Helix 33
33
D
718 729Right-handed alpha
Helix 34
34
D
760 766Right-handed alpha
Helix 35
35
D
767 772Right-handed alpha
Helix 36
36
D
776 780Right-handed 310
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There are 6 sheets in PDB entry 1O23. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F,

There are 3 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
41 43first strand
Strand 2
A
48 50anti-parallel
Strand 3
A
55 56anti-parallel
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There are 8 strands in B sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
170 171first strand
Strand 2
B
212 220anti-parallel
Strand 3
B
391 397parallel
Strand 4
B
381 388anti-parallel
Strand 5
D
783 789anti-parallel
Strand 6
D
794 799anti-parallel
Strand 7
D
614 622parallel
Strand 8
D
572 573anti-parallel
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There are 14 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
271 272first strand
Strand 2
B
293 297anti-parallel
Strand 3
B
247 251anti-parallel
Strand 4
B
181 188parallel
Strand 5
B
212 220parallel
Strand 6
B
391 397parallel
Strand 7
B
381 388anti-parallel
Strand 8
D
783 789anti-parallel
Strand 9
D
794 799anti-parallel
Strand 10
D
614 622parallel
Strand 11
D
583 590parallel
Strand 12
D
649 653parallel
Strand 13
D
695 699anti-parallel
Strand 14
D
673 674anti-parallel
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There are 3 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
255 257first strand
Strand 2
B
341 344anti-parallel
Strand 3
B
276 277parallel
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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
C
443 445first strand
Strand 2
C
450 452anti-parallel
Strand 3
C
457 458anti-parallel
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There are 3 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
657 659first strand
Strand 2
D
743 746anti-parallel
Strand 3
D
678 679parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il