Analysis of interatomic Contacts of Structural Units in PDB entry:
2I7S


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 2I7S entry

There are 4 chains in PDB entry 2I7S (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 1LYS 128
B
 ALA 201LYS 328
C
 ALA 401LYS 528
D
 ALA 601LYS 728
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 20 helices in PDB entry 2I7S. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
40 45Right-handed alpha
Helix 2
2
A
55 67Right-handed alpha
Helix 3
3
A
68 71Right-handed 310
Helix 4
4
A
100 102Right-handed 310
Helix 5
5
A
116 120Right-handed 310
Helix 6
6
B
240 245Right-handed alpha
Helix 7
7
B
255 267Right-handed alpha
Helix 8
8
B
268 271Right-handed 310
Helix 9
9
B
300 302Right-handed 310
Helix 10
10
B
316 320Right-handed 310
Helix 11
11
C
440 445Right-handed alpha
Helix 12
12
C
455 467Right-handed alpha
Helix 13
13
C
468 471Right-handed 310
Helix 14
14
C
500 502Right-handed 310
Helix 15
15
C
516 520Right-handed 310
Helix 16
16
D
640 645Right-handed alpha
Helix 17
17
D
655 667Right-handed alpha
Helix 18
18
D
668 671Right-handed 310
Helix 19
19
D
700 702Right-handed 310
Helix 20
20
D
716 720Right-handed 310
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There are 8 sheets in PDB entry 2I7S. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H,

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
4 8first strand
Strand 2
A
28 34parallel
Strand 3
A
92 98anti-parallel
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There are 5 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
19 23first strand
Strand 2
A
122 128parallel
Strand 3
A
108 111anti-parallel
Strand 4
A
49 52anti-parallel
Strand 5
A
82 83anti-parallel
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There are 3 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
204 208first strand
Strand 2
B
228 234parallel
Strand 3
B
292 298anti-parallel
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There are 5 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
219 222first strand
Strand 2
B
322 327parallel
Strand 3
B
308 311anti-parallel
Strand 4
B
249 252anti-parallel
Strand 5
B
282 283anti-parallel
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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
404 408first strand
Strand 2
C
428 434parallel
Strand 3
C
492 498anti-parallel
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There are 5 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
419 422first strand
Strand 2
C
522 527parallel
Strand 3
C
508 511anti-parallel
Strand 4
C
449 452anti-parallel
Strand 5
C
482 483anti-parallel
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There are 3 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
604 608first strand
Strand 2
D
628 634parallel
Strand 3
D
692 698anti-parallel
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There are 5 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
619 622first strand
Strand 2
D
722 727parallel
Strand 3
D
708 711anti-parallel
Strand 4
D
649 652anti-parallel
Strand 5
D
682 683anti-parallel
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