Analysis of interatomic Contacts of Structural Units in PDB entry:
2C9O


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 2C9O entry

There are 3 chains in PDB entry 2C9O (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 THR 9ASP 449
B
 THR 9ALA 448
C
 LYS 7ASP 449
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 52 helices in PDB entry 2C9O. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
9 17Right-handed alpha
Helix 2
2
A
42 58Right-handed alpha
Helix 3
3
A
75 88Right-handed alpha
Helix 4
4
A
99 102Right-handed 310
Helix 5
5
A
107 119Right-handed alpha
Helix 6
6
A
173 183Right-handed alpha
Helix 7
7
A
240 246Right-handed alpha
Helix 8
8
A
277 289Right-handed alpha
Helix 9
9
A
303 307Right-handed 310
Helix 10
10
A
308 319Right-handed alpha
Helix 11
11
A
351 356Right-handed alpha
Helix 12
12
A
367 383Right-handed alpha
Helix 13
13
A
387 401Right-handed alpha
Helix 14
14
A
402 409Right-handed alpha
Helix 15
15
A
409 420Right-handed alpha
Helix 16
16
A
426 437Right-handed alpha
Helix 17
17
A
439 449Right-handed alpha
Helix 18
18
B
11 19Right-handed 310
Helix 19
19
B
42 58Right-handed alpha
Helix 20
20
B
75 88Right-handed alpha
Helix 21
21
B
99 102Right-handed 310
Helix 22
22
B
107 119Right-handed alpha
Helix 23
23
B
173 183Right-handed alpha
Helix 24
24
B
208 210Right-handed 310
Helix 25
25
B
240 244Right-handed alpha
Helix 26
26
B
279 289Right-handed alpha
Helix 27
27
B
303 307Right-handed 310
Helix 28
28
B
308 319Right-handed alpha
Helix 29
29
B
351 356Right-handed alpha
Helix 30
30
B
367 383Right-handed alpha
Helix 31
31
B
387 401Right-handed alpha
Helix 32
32
B
402 409Right-handed alpha
Helix 33
33
B
409 420Right-handed alpha
Helix 34
34
B
426 437Right-handed alpha
Helix 35
35
B
439 448Right-handed alpha
Helix 36
36
C
11 15Right-handed 310
Helix 37
37
C
15 19Right-handed 310
Helix 38
38
C
42 58Right-handed alpha
Helix 39
39
C
75 88Right-handed alpha
Helix 40
40
C
99 102Right-handed 310
Helix 41
41
C
107 119Right-handed alpha
Helix 42
42
C
239 244Right-handed alpha
Helix 43
43
C
278 289Right-handed alpha
Helix 44
44
C
303 307Right-handed 310
Helix 45
45
C
308 320Right-handed alpha
Helix 46
46
C
351 356Right-handed alpha
Helix 47
47
C
367 382Right-handed alpha
Helix 48
48
C
387 401Right-handed alpha
Helix 49
49
C
402 409Right-handed alpha
Helix 50
50
C
409 420Right-handed alpha
Helix 51
51
C
426 437Right-handed alpha
Helix 52
52
C
439 449Right-handed alpha
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There are 14 sheets in PDB entry 2C9O. Click on sheet of interest to get list of strands forming it: AA, AB, AC, AD, AE, BA, BB, BC, BD, BE, CA, CB, CC, CD,

There are 2 strands in AA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
35 36first strand
Strand 2
A
39 40anti-parallel
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There are 5 strands in AB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
93 97first strand
Strand 2
A
298 302parallel
Strand 3
A
326 331parallel
Strand 4
A
65 69parallel
Strand 5
A
358 362parallel
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There are 5 strands in AC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
220 221first strand
Strand 2
A
200 206parallel
Strand 3
A
189 194anti-parallel
Strand 4
A
120 140anti-parallel
Strand 5
A
292 296anti-parallel
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There are 5 strands in AD sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
220 221first strand
Strand 2
A
200 206parallel
Strand 3
A
189 194anti-parallel
Strand 4
A
120 140anti-parallel
Strand 5
A
229 239anti-parallel
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There are 2 strands in AE sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
335 337first strand
Strand 2
A
345 347anti-parallel
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There are 2 strands in BA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
35 36first strand
Strand 2
B
39 40anti-parallel
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There are 5 strands in BB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
93 97first strand
Strand 2
B
298 302parallel
Strand 3
B
326 331parallel
Strand 4
B
65 69parallel
Strand 5
B
358 362parallel
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There are 4 strands in BC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
166 172first strand
Strand 2
B
189 194first strand
Strand 3
B
200 206anti-parallel
Strand 4
B
220 221parallel
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There are 4 strands in BD sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
166 172first strand
Strand 2
B
157 163anti-parallel
Strand 3
B
120 140anti-parallel
Strand 4
B
229 239anti-parallel
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There are 2 strands in BE sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
335 337first strand
Strand 2
B
345 347anti-parallel
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There are 2 strands in CA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
35 36first strand
Strand 2
C
39 40anti-parallel
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There are 5 strands in CB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
93 97first strand
Strand 2
C
298 302parallel
Strand 3
C
326 331parallel
Strand 4
C
65 69parallel
Strand 5
C
358 362parallel
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There are 3 strands in CC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
232 238first strand
Strand 2
C
120 127anti-parallel
Strand 3
C
292 296anti-parallel
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There are 2 strands in CD sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
335 337first strand
Strand 2
C
345 347anti-parallel
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