Analysis of interatomic Contacts of Structural Units in PDB entry:
2A3Z


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 2A3Z entry

There are 4 chains in PDB entry 2A3Z (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 THR 5GLU 72
A
 GLY 74ALA 365
B
 LEU 1THR 260
C
 ARG 431THR 447
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 32 helices in PDB entry 2A3Z. 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 61Right-handed alpha
Helix 2
2
A
78 92Right-handed alpha
Helix 3
3
A
97 101Right-handed 310
Helix 4
4
A
112 126Right-handed alpha
Helix 5
5
A
137 145Right-handed alpha
Helix 6
6
A
172 175Right-handed 310
Helix 7
7
A
181 197Right-handed alpha
Helix 8
8
A
202 217Right-handed alpha
Helix 9
9
A
222 233Right-handed alpha
Helix 10
10
A
252 263Right-handed alpha
Helix 11
11
A
264 268Right-handed 310
Helix 12
12
A
273 284Right-handed alpha
Helix 13
13
A
285 288Right-handed 310
Helix 14
14
A
289 295Right-handed alpha
Helix 15
15
A
301 305Right-handed 310
Helix 16
16
A
308 321Right-handed alpha
Helix 17
17
A
334 336Right-handed 310
Helix 18
18
A
337 347Right-handed alpha
Helix 19
19
A
348 356Right-handed 310
Helix 20
20
A
359 365Right-handed alpha
Helix 21
21
B
12 17Right-handed alpha
Helix 22
22
B
18 31Right-handed alpha
Helix 23
23
B
45 56Right-handed alpha
Helix 24
24
B
104 109Right-handed alpha
Helix 25
25
B
136 138Right-handed 310
Helix 26
26
B
139 159Right-handed alpha
Helix 27
27
B
177 183Right-handed 310
Helix 28
28
B
184 189Right-handed alpha
Helix 29
29
B
218 225Right-handed alpha
Helix 30
30
B
234 239Right-handed alpha
Helix 31
31
B
242 250Right-handed alpha
Helix 32
32
C
431 441Right-handed alpha
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There are 8 sheets in PDB entry 2A3Z. 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
29 32first strand
Strand 2
A
16 21anti-parallel
Strand 3
A
8 12anti-parallel
Strand 4
A
103 107parallel
Strand 5
A
131 136parallel
Strand 6
A
357 358anti-parallel
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There are 3 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
53 54first strand
Strand 2
A
35 38anti-parallel
Strand 3
A
65 68anti-parallel
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There are 7 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
42 44first strand
Strand 2
B
64 67parallel
Strand 3
B
79 84anti-parallel
Strand 4
B
34 40anti-parallel
Strand 5
B
2 11parallel
Strand 6
B
255 258anti-parallel
Strand 7
B
231 232anti-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
71 72first strand
Strand 2
A
75 76anti-parallel
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There are 3 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
169 170first strand
Strand 2
A
160 166anti-parallel
Strand 3
A
176 178anti-parallel
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There are 5 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
169 170first strand
Strand 2
A
160 166anti-parallel
Strand 3
A
150 155anti-parallel
Strand 4
A
297 300parallel
Strand 5
A
329 330parallel
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There are 2 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
238 241first strand
Strand 2
A
247 250anti-parallel
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There are 6 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
90 96first strand
Strand 2
B
114 119anti-parallel
Strand 3
B
127 132anti-parallel
Strand 4
B
163 168parallel
Strand 5
B
212 217anti-parallel
Strand 6
B
192 194anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il