Analysis of interatomic Contacts of Structural Units in PDB entry:
1A12


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 1A12 entry

There are 3 chains in PDB entry 1A12 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 LYS 21SER 421
B
 LYS 21SER 421
C
 LYS 21SER 421
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 16 helices in PDB entry 1A12. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
108 110Right-handed 310
Helix 2
2
A
208 211Right-handed alpha
Helix 3
3
A
216 224Right-handed 310
Helix 4
4
A
287 289Right-handed 310
Helix 5
5
A
322 324Right-handed 310
Helix 6
6
B
209 211Right-handed 310
Helix 7
7
B
216 218Right-handed 310
Helix 8
8
B
221 224Right-handed alpha
Helix 9
9
B
287 289Right-handed 310
Helix 10
10
B
322 324Right-handed 310
Helix 11
11
B
394 396Right-handed 310
Helix 12
12
C
108 110Right-handed 310
Helix 13
13
C
216 218Right-handed 310
Helix 14
14
C
220 224Right-handed 310
Helix 15
15
C
287 289Right-handed 310
Helix 16
16
C
322 324Right-handed 310
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There are 22 sheets in PDB entry 1A12. 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, O, P, Q, R, S, T, U, V,

There are 4 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
61 63first strand
Strand 2
A
36 41anti-parallel
Strand 3
A
410 417anti-parallel
Strand 4
A
399 406anti-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
88 92first strand
Strand 2
A
78 83anti-parallel
Strand 3
A
69 74anti-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
166 168first strand
Strand 2
A
140 144anti-parallel
Strand 3
A
130 135anti-parallel
Strand 4
A
121 126anti-parallel
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There are 3 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
193 197first strand
Strand 2
A
183 188anti-parallel
Strand 3
A
174 179anti-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
261 265first strand
Strand 2
A
251 256anti-parallel
Strand 3
A
242 248anti-parallel
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There are 3 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
315 319first strand
Strand 2
A
305 310anti-parallel
Strand 3
A
296 301anti-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
366 370first strand
Strand 2
A
356 361anti-parallel
Strand 3
A
347 352anti-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
A
146 148first strand
Strand 2
A
151 154anti-parallel
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There are 4 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
61 63first strand
Strand 2
B
36 41anti-parallel
Strand 3
B
410 417anti-parallel
Strand 4
B
399 406anti-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
B
113 115first strand
Strand 2
B
88 92anti-parallel
Strand 3
B
78 83anti-parallel
Strand 4
B
69 74anti-parallel
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There are 3 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
140 144first strand
Strand 2
B
130 135anti-parallel
Strand 3
B
121 126anti-parallel
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There are 3 strands in L sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
193 197first strand
Strand 2
B
183 188anti-parallel
Strand 3
B
174 179anti-parallel
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There are 3 strands in M sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
261 265first strand
Strand 2
B
251 256anti-parallel
Strand 3
B
242 248anti-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
B
315 319first strand
Strand 2
B
305 310anti-parallel
Strand 3
B
296 301anti-parallel
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There are 3 strands in O sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
366 370first strand
Strand 2
B
356 361anti-parallel
Strand 3
B
347 352anti-parallel
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There are 3 strands in P sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
36 41first strand
Strand 2
C
410 417anti-parallel
Strand 3
C
399 406anti-parallel
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There are 3 strands in Q sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
88 92first strand
Strand 2
C
78 83anti-parallel
Strand 3
C
69 74anti-parallel
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There are 3 strands in R sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
140 144first strand
Strand 2
C
130 135anti-parallel
Strand 3
C
121 126anti-parallel
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There are 3 strands in S sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
193 197first strand
Strand 2
C
183 188anti-parallel
Strand 3
C
174 179anti-parallel
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There are 3 strands in T sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
261 265first strand
Strand 2
C
251 256anti-parallel
Strand 3
C
242 248anti-parallel
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There are 3 strands in U sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
315 319first strand
Strand 2
C
305 310anti-parallel
Strand 3
C
296 301anti-parallel
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There are 3 strands in V sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
366 370first strand
Strand 2
C
356 361anti-parallel
Strand 3
C
347 353anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il