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


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 4QCL entry

There are 3 chains in PDB entry 4QCL (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLU 338THR 1244
B
 G 1 C 11
C
 A 109 C 121
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 34 helices in PDB entry 4QCL. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
368 371Right-handed 310
Helix 2
2
A
409 420Right-handed alpha
Helix 3
3
A
420 426Right-handed alpha
Helix 4
4
A
482 492Right-handed alpha
Helix 5
5
A
522 524Right-handed 310
Helix 6
6
A
597 606Right-handed alpha
Helix 7
7
A
614 630Right-handed alpha
Helix 8
8
A
642 654Right-handed alpha
Helix 9
9
A
658 663Right-handed 310
Helix 10
10
A
679 685Right-handed alpha
Helix 11
11
A
693 701Right-handed alpha
Helix 12
12
A
707 717Right-handed alpha
Helix 13
13
A
724 733Right-handed alpha
Helix 14
14
A
734 759Right-handed alpha
Helix 15
15
A
760 773Right-handed alpha
Helix 16
16
A
775 780Right-handed alpha
Helix 17
17
A
784 799Right-handed alpha
Helix 18
18
A
863 872Right-handed alpha
Helix 19
19
A
909 931Right-handed alpha
Helix 20
20
A
935 961Right-handed alpha
Helix 21
21
A
969 994Right-handed alpha
Helix 22
22
A
1014 1031Right-handed alpha
Helix 23
23
A
1077 1081Right-handed 310
Helix 24
24
A
1085 1100Right-handed alpha
Helix 25
25
A
1104 1126Right-handed alpha
Helix 26
26
A
1129 1134Right-handed 310
Helix 27
27
A
1142 1146Right-handed 310
Helix 28
28
A
1148 1151Right-handed 310
Helix 29
29
A
1152 1165Right-handed alpha
Helix 30
30
A
1187 1190Right-handed 310
Helix 31
31
A
1194 1201Right-handed alpha
Helix 32
32
A
1207 1215Right-handed alpha
Helix 33
33
A
1215 1225Right-handed alpha
Helix 34
34
A
1231 1239Right-handed alpha
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There are 8 sheets in PDB entry 4QCL. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H,

There are 6 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
516 520first strand
Strand 2
A
372 380parallel
Strand 3
A
359 367anti-parallel
Strand 4
A
340 350anti-parallel
Strand 5
A
497 502anti-parallel
Strand 6
A
526 529anti-parallel
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There are 4 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
431 438first strand
Strand 2
A
449 457anti-parallel
Strand 3
A
385 391anti-parallel
Strand 4
A
473 477anti-parallel
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There are 2 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
394 396first strand
Strand 2
A
403 407anti-parallel
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There are 6 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
609 611first strand
Strand 2
A
581 586parallel
Strand 3
A
555 568anti-parallel
Strand 4
A
537 548anti-parallel
Strand 5
A
633 636parallel
Strand 6
A
689 692parallel
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There are 5 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
850 852first strand
Strand 2
A
1038 1051anti-parallel
Strand 3
A
856 861anti-parallel
Strand 4
A
1005 1009anti-parallel
Strand 5
A
997 1000anti-parallel
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There are 4 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
850 852first strand
Strand 2
A
1038 1051anti-parallel
Strand 3
A
1054 1062anti-parallel
Strand 4
A
1068 1075anti-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
A
1135 1138first strand
Strand 2
A
1174 1181anti-parallel
Strand 3
A
1192 1193anti-parallel
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There are 3 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
1135 1138first strand
Strand 2
A
1174 1181anti-parallel
Strand 3
A
1205 1206anti-parallel
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