Analysis of interatomic Contacts of Structural Units in PDB entry:
4IAO


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 4IAO entry

There are 4 chains in PDB entry 4IAO (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER 99SER 555
B
 SER 101SER 555
C
 THR 742GLU 893
D
 HIS 743GLU 893
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 49 helices in PDB entry 4IAO. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
101 106Right-handed 310
Helix 2
2
A
131 155Right-handed alpha
Helix 3
3
A
162 171Right-handed alpha
Helix 4
4
A
177 188Right-handed alpha
Helix 5
5
A
213 233Right-handed alpha
Helix 6
6
A
243 254Right-handed alpha
Helix 7
7
A
263 270Right-handed 310
Helix 8
8
A
279 286Right-handed alpha
Helix 9
9
A
291 296Right-handed 310
Helix 10
10
A
297 304Right-handed alpha
Helix 11
11
A
305 312Right-handed alpha
Helix 12
12
A
313 316Right-handed 310
Helix 13
13
A
323 335Right-handed alpha
Helix 14
14
A
348 353Right-handed alpha
Helix 15
15
A
384 390Right-handed alpha
Helix 16
16
A
399 407Right-handed alpha
Helix 17
17
A
450 461Right-handed alpha
Helix 18
18
A
478 480Right-handed 310
Helix 19
19
A
481 486Right-handed alpha
Helix 20
20
A
512 524Right-handed alpha
Helix 21
21
A
532 537Right-handed alpha
Helix 22
22
B
131 155Right-handed alpha
Helix 23
23
B
162 171Right-handed alpha
Helix 24
24
B
177 188Right-handed alpha
Helix 25
25
B
213 233Right-handed alpha
Helix 26
26
B
243 254Right-handed alpha
Helix 27
27
B
263 270Right-handed 310
Helix 28
28
B
279 284Right-handed alpha
Helix 29
29
B
285 288Right-handed 310
Helix 30
30
B
291 296Right-handed 310
Helix 31
31
B
297 304Right-handed alpha
Helix 32
32
B
305 316Right-handed alpha
Helix 33
33
B
323 335Right-handed alpha
Helix 34
34
B
348 353Right-handed alpha
Helix 35
35
B
384 390Right-handed alpha
Helix 36
36
B
399 407Right-handed alpha
Helix 37
37
B
450 461Right-handed alpha
Helix 38
38
B
478 480Right-handed 310
Helix 39
39
B
481 486Right-handed alpha
Helix 40
40
B
512 524Right-handed alpha
Helix 41
41
B
532 537Right-handed alpha
Helix 42
42
C
808 822Right-handed alpha
Helix 43
43
C
828 838Right-handed alpha
Helix 44
44
C
863 867Right-handed 310
Helix 45
45
C
868 873Right-handed alpha
Helix 46
46
D
807 822Right-handed alpha
Helix 47
47
D
828 838Right-handed alpha
Helix 48
48
D
863 867Right-handed 310
Helix 49
49
D
868 873Right-handed alpha
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There are 8 sheets in PDB entry 4IAO. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H,

There are 2 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
173 175first strand
Strand 2
C
881 883anti-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
A
360 362first strand
Strand 2
A
338 343parallel
Strand 3
A
257 261parallel
Strand 4
A
466 470parallel
Strand 5
A
492 496parallel
Strand 6
A
507 510parallel
Strand 7
A
550 554parallel
Strand 8
A
542 547anti-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
A
378 380first strand
Strand 2
A
369 372anti-parallel
Strand 3
A
438 440anti-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
476 477first strand
Strand 2
C
748 749anti-parallel
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There are 2 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
173 175first strand
Strand 2
D
881 883anti-parallel
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There are 8 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
360 362first strand
Strand 2
B
338 343parallel
Strand 3
B
257 261parallel
Strand 4
B
466 470parallel
Strand 5
B
492 496parallel
Strand 6
B
507 510parallel
Strand 7
B
550 554parallel
Strand 8
B
542 547anti-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
B
378 380first strand
Strand 2
B
369 372anti-parallel
Strand 3
B
438 440anti-parallel
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There are 2 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
476 477first strand
Strand 2
D
748 749anti-parallel
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