Analysis of interatomic Contacts of Structural Units in PDB entry:
1B90


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 1B90 entry

There is 1 chain in PDB entry 1B90 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 1TRP 516
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 22 helices in PDB entry 1B90. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
2 4Right-handed 310
Helix 2
2
A
22 24Right-handed 310
Helix 3
3
A
28 41Right-handed alpha
Helix 4
4
A
52 55Right-handed alpha
Helix 5
5
A
66 78Right-handed alpha
Helix 6
6
A
107 109Right-handed 310
Helix 7
7
A
135 153Right-handed alpha
Helix 8
8
A
157 159Right-handed 310
Helix 9
9
A
169 171Right-handed 310
Helix 10
10
A
197 211Right-handed alpha
Helix 11
11
A
214 221Right-handed alpha
Helix 12
12
A
228 230Right-handed 310
Helix 13
13
A
237 242Right-handed alpha
Helix 14
14
A
244 246Right-handed 310
Helix 15
15
A
248 276Right-handed alpha
Helix 16
16
A
305 308Right-handed alpha
Helix 17
17
A
313 323Right-handed alpha
Helix 18
18
A
346 360Right-handed alpha
Helix 19
19
A
375 387Right-handed alpha
Helix 20
20
A
398 402Right-handed alpha
Helix 21
21
A
405 414Right-handed alpha
Helix 22
22
A
444 446Right-handed 310
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There are 4 sheets in PDB entry 1B90. Click on sheet of interest to get list of strands forming it: A, B, C, D,

There are 9 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
12 15first strand
Strand 2
A
392 395parallel
Strand 3
A
364 367parallel
Strand 4
A
326 329parallel
Strand 5
A
284 287parallel
Strand 6
A
160 165parallel
Strand 7
A
81 87parallel
Strand 8
A
43 51parallel
Strand 9
A
13 16parallel
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There are 4 strands in B sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
511 515first strand
Strand 2
A
419 427parallel
Strand 3
A
466 474anti-parallel
Strand 4
A
459 461anti-parallel
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There are 4 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
456 458first strand
Strand 2
A
436 441anti-parallel
Strand 3
A
479 486anti-parallel
Strand 4
A
500 502anti-parallel
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There are 2 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
484 487first strand
Strand 2
A
491 495anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il