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


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 4AHC entry

There are 2 chains in PDB entry 4AHC (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 1ARG 757
B
 MET 1LEU 756
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 4AHC. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
44 46Right-handed 310
Helix 2
2
A
47 53Right-handed alpha
Helix 3
3
A
89 91Right-handed 310
Helix 4
4
A
92 101Right-handed alpha
Helix 5
5
A
115 125Right-handed alpha
Helix 6
6
A
186 202Right-handed alpha
Helix 7
7
A
214 226Right-handed alpha
Helix 8
8
A
260 268Right-handed alpha
Helix 9
9
A
274 284Right-handed alpha
Helix 10
10
A
291 302Right-handed alpha
Helix 11
11
A
305 338Right-handed alpha
Helix 12
12
A
340 345Right-handed alpha
Helix 13
13
A
348 364Right-handed alpha
Helix 14
14
A
373 383Right-handed alpha
Helix 15
15
A
408 417Right-handed alpha
Helix 16
16
A
420 423Right-handed 310
Helix 17
17
A
448 471Right-handed alpha
Helix 18
18
A
473 499Right-handed alpha
Helix 19
19
A
507 532Right-handed alpha
Helix 20
20
A
553 572Right-handed alpha
Helix 21
21
A
619 633Right-handed alpha
Helix 22
22
A
636 654Right-handed alpha
Helix 23
23
A
730 736Right-handed alpha
Helix 24
24
A
737 747Right-handed alpha
Helix 25
25
A
748 750Right-handed 310
Helix 26
26
A
752 757Right-handed alpha
Helix 27
27
B
44 46Right-handed 310
Helix 28
28
B
47 53Right-handed alpha
Helix 29
29
B
89 91Right-handed 310
Helix 30
30
B
92 103Right-handed alpha
Helix 31
31
B
115 124Right-handed alpha
Helix 32
32
B
186 202Right-handed alpha
Helix 33
33
B
214 226Right-handed alpha
Helix 34
34
B
260 268Right-handed alpha
Helix 35
35
B
274 284Right-handed alpha
Helix 36
36
B
291 302Right-handed alpha
Helix 37
37
B
304 338Right-handed alpha
Helix 38
38
B
340 345Right-handed alpha
Helix 39
39
B
348 364Right-handed alpha
Helix 40
40
B
373 383Right-handed alpha
Helix 41
41
B
408 417Right-handed alpha
Helix 42
42
B
448 471Right-handed alpha
Helix 43
43
B
473 492Right-handed alpha
Helix 44
44
B
493 499Right-handed alpha
Helix 45
45
B
507 532Right-handed alpha
Helix 46
46
B
553 571Right-handed alpha
Helix 47
47
B
617 633Right-handed alpha
Helix 48
48
B
636 653Right-handed alpha
Helix 49
49
B
680 689Right-handed alpha
Helix 50
50
B
729 737Right-handed alpha
Helix 51
51
B
737 747Right-handed alpha
Helix 52
52
B
748 750Right-handed 310
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There are 16 sheets in PDB entry 4AHC. Click on sheet of interest to get list of strands forming it: AA, AB, AC, AD, AE, AF, AG, BA, BB, BC, BD, BE, BF, BG, BH, BI,

There are 3 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
2 10first strand
Strand 2
A
13 22anti-parallel
Strand 3
A
25 31anti-parallel
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There are 4 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
70 75first strand
Strand 2
A
78 86anti-parallel
Strand 3
A
37 42anti-parallel
Strand 4
A
106 110anti-parallel
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There are 2 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
55 58first strand
Strand 2
A
61 64anti-parallel
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There are 6 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
181 183first strand
Strand 2
A
168 172parallel
Strand 3
A
157 163anti-parallel
Strand 4
A
137 144anti-parallel
Strand 5
A
205 208parallel
Strand 6
A
256 259parallel
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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
240 243first strand
Strand 2
A
248 251anti-parallel
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There are 6 strands in AF sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
536 541first strand
Strand 2
A
544 548anti-parallel
Strand 3
A
397 406anti-parallel
Strand 4
A
578 591anti-parallel
Strand 5
A
594 598anti-parallel
Strand 6
A
604 607anti-parallel
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There are 2 strands in AG sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
432 434first strand
Strand 2
A
441 443anti-parallel
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There are 3 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
2 10first strand
Strand 2
B
13 22anti-parallel
Strand 3
B
25 31anti-parallel
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There are 4 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
67 74first strand
Strand 2
B
79 86anti-parallel
Strand 3
B
37 42anti-parallel
Strand 4
B
106 110anti-parallel
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There are 2 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
55 58first strand
Strand 2
B
61 64anti-parallel
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There are 6 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
181 183first strand
Strand 2
B
168 172parallel
Strand 3
B
157 163anti-parallel
Strand 4
B
137 144anti-parallel
Strand 5
B
205 208parallel
Strand 6
B
256 259parallel
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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
240 243first strand
Strand 2
B
248 251anti-parallel
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There are 6 strands in BF sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
536 541first strand
Strand 2
B
544 548anti-parallel
Strand 3
B
397 406anti-parallel
Strand 4
B
578 591anti-parallel
Strand 5
B
594 599anti-parallel
Strand 6
B
604 607anti-parallel
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There are 2 strands in BG sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
432 434first strand
Strand 2
B
441 443anti-parallel
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There are 2 strands in BH sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
665 666first strand
Strand 2
B
699 700anti-parallel
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There are 2 strands in BI sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
702 704first strand
Strand 2
B
715 717anti-parallel
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