Analysis of interatomic Contacts of Structural Units in PDB entry:
3K2U


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 3K2U entry

There are 4 chains in PDB entry 3K2U (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ILE 16ARG 243
B
 ALA 392ARG 396
H
 GLU 1CYS 216
L
 ASP 1CYS 214
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 13 helices in PDB entry 3K2U. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
55 60Right-handed 310
Helix 2
2
A
60 62Right-handed 310
Helix 3
3
A
164 169Right-handed alpha
Helix 4
4
A
172 176Right-handed 310
Helix 5
5
A
234 242Right-handed alpha
Helix 6
6
H
28 32Right-handed 310
Helix 7
7
H
61 64Right-handed 310
Helix 8
8
H
83 87Right-handed 310
Helix 9
9
H
187 189Right-handed 310
Helix 10
10
H
201 204Right-handed 310
Helix 11
11
L
79 83Right-handed 310
Helix 12
12
L
121 125Right-handed 310
Helix 13
13
L
182 187Right-handed alpha
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There are 14 sheets in PDB entry 3K2U. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K, L, M, N,

There are 3 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
20 21first strand
Strand 2
A
156 161anti-parallel
Strand 3
A
135 140anti-parallel
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There are 7 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
81 83first strand
Strand 2
A
64 68anti-parallel
Strand 3
A
30 35anti-parallel
Strand 4
A
40 48anti-parallel
Strand 5
A
51 54anti-parallel
Strand 6
A
104 108anti-parallel
Strand 7
A
85 90anti-parallel
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There are 4 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
180 183first strand
Strand 2
A
226 230anti-parallel
Strand 3
A
206 215anti-parallel
Strand 4
A
198 203anti-parallel
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There are 4 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
3 7first strand
Strand 2
H
18 25anti-parallel
Strand 3
H
77 82anti-parallel
Strand 4
H
67 72anti-parallel
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There are 6 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
11 12first strand
Strand 2
H
107 111parallel
Strand 3
H
88 95anti-parallel
Strand 4
H
33 39anti-parallel
Strand 5
H
45 52anti-parallel
Strand 6
H
56 59anti-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
H
11 12first strand
Strand 2
H
107 111parallel
Strand 3
H
88 95anti-parallel
Strand 4
H
102 103anti-parallel
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There are 4 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
120 124first strand
Strand 2
H
135 145anti-parallel
Strand 3
H
176 185anti-parallel
Strand 4
H
164 165anti-parallel
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There are 4 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
120 124first strand
Strand 2
H
135 145anti-parallel
Strand 3
H
176 185anti-parallel
Strand 4
H
169 170anti-parallel
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There are 3 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
151 154first strand
Strand 2
H
195 200anti-parallel
Strand 3
H
205 210anti-parallel
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There are 4 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
L
4 7first strand
Strand 2
L
19 25anti-parallel
Strand 3
L
70 75anti-parallel
Strand 4
L
62 67anti-parallel
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There are 6 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
L
10 14first strand
Strand 2
L
102 107parallel
Strand 3
L
84 90anti-parallel
Strand 4
L
33 38anti-parallel
Strand 5
L
45 49anti-parallel
Strand 6
L
53 54anti-parallel
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There are 4 strands in L sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
L
10 14first strand
Strand 2
L
102 107parallel
Strand 3
L
84 90anti-parallel
Strand 4
L
97 98anti-parallel
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There are 4 strands in M sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
L
114 118first strand
Strand 2
L
130 137anti-parallel
Strand 3
L
174 181anti-parallel
Strand 4
L
159 163anti-parallel
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There are 3 strands in N sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
L
145 150first strand
Strand 2
L
191 197anti-parallel
Strand 3
L
205 210anti-parallel
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