Analysis of interatomic Contacts of Structural Units in PDB entry:
1C4O


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 1C4O entry

There is 1 chain in PDB entry 1C4O (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 THR 2VAL 583
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 1C4O. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
14 26Right-handed alpha
Helix 2
2
A
42 53Right-handed alpha
Helix 3
3
A
64 77Right-handed alpha
Helix 4
4
A
89 91Right-handed 310
Helix 5
5
A
100 102Right-handed 310
Helix 6
6
A
114 129Right-handed alpha
Helix 7
7
A
139 141Right-handed 310
Helix 8
8
A
148 153Right-handed alpha
Helix 9
9
A
251 272Right-handed alpha
Helix 10
10
A
275 295Right-handed alpha
Helix 11
11
A
301 309Right-handed 310
Helix 12
12
A
320 323Right-handed 310
Helix 13
13
A
335 358Right-handed alpha
Helix 14
14
A
364 368Right-handed 310
Helix 15
15
A
374 380Right-handed alpha
Helix 16
16
A
393 398Right-handed alpha
Helix 17
17
A
425 439Right-handed alpha
Helix 18
18
A
450 463Right-handed alpha
Helix 19
19
A
476 487Right-handed alpha
Helix 20
20
A
522 524Right-handed 310
Helix 21
21
A
526 536Right-handed alpha
Helix 22
22
A
553 576Right-handed alpha
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There are 3 sheets in PDB entry 1C4O. Click on sheet of interest to get list of strands forming it: A, B, C,

There are 7 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
401 405first strand
Strand 2
A
31 36parallel
Strand 3
A
383 388parallel
Strand 4
A
329 333parallel
Strand 5
A
57 61parallel
Strand 6
A
133 138parallel
Strand 7
A
82 85parallel
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There are 2 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
97 99first strand
Strand 2
A
104 106anti-parallel
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There are 6 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
416 420first strand
Strand 2
A
543 547parallel
Strand 3
A
509 514parallel
Strand 4
A
442 446parallel
Strand 5
A
493 496parallel
Strand 6
A
467 470parallel
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