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


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 2IFG entry

There are 4 chains in PDB entry 2IFG (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 CYS 36PRO 382
B
 CYS 36PRO 382
E
 SER 2LYS 115
F
 SER 2ALA 116
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 2IFG. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
83 87Right-handed 310
Helix 2
2
A
109 113Right-handed 310
Helix 3
3
A
153 155Right-handed 310
Helix 4
4
A
156 165Right-handed alpha
Helix 5
5
A
170 174Right-handed 310
Helix 6
6
A
352 356Right-handed 310
Helix 7
7
B
83 88Right-handed 310
Helix 8
8
B
109 113Right-handed 310
Helix 9
9
B
131 135Right-handed 310
Helix 10
10
B
153 155Right-handed 310
Helix 11
11
B
156 165Right-handed alpha
Helix 12
12
B
170 174Right-handed 310
Helix 13
13
B
255 259Right-handed 310
Helix 14
14
B
352 356Right-handed 310
Helix 15
15
E
5 10Right-handed alpha
Helix 16
16
F
5 10Right-handed alpha
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There are 21 sheets in PDB entry 2IFG. 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,

There are 5 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
48 49first strand
Strand 2
A
70 72parallel
Strand 3
A
95 97parallel
Strand 4
A
119 121parallel
Strand 5
A
142 144parallel
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There are 2 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 82first strand
Strand 2
A
105 106parallel
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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
195 199first strand
Strand 2
A
211 218anti-parallel
Strand 3
A
246 252anti-parallel
Strand 4
A
236 238anti-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
227 229first strand
Strand 2
A
263 265anti-parallel
Strand 3
A
276 278anti-parallel
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There are 2 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
268 269first strand
Strand 2
A
272 273anti-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
284 290first strand
Strand 2
A
299 308anti-parallel
Strand 3
A
294 295anti-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
A
284 290first strand
Strand 2
A
299 308anti-parallel
Strand 3
A
342 348anti-parallel
Strand 4
A
328 332anti-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
A
320 321first strand
Strand 2
A
312 317anti-parallel
Strand 3
A
357 365anti-parallel
Strand 4
A
368 376anti-parallel
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There are 5 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
47 49first strand
Strand 2
B
70 72parallel
Strand 3
B
95 97parallel
Strand 4
B
119 121parallel
Strand 5
B
142 144parallel
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There are 2 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
81 82first strand
Strand 2
B
105 106parallel
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There are 4 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
195 199first strand
Strand 2
B
211 218anti-parallel
Strand 3
B
246 252anti-parallel
Strand 4
B
236 238anti-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
227 229first strand
Strand 2
B
263 265anti-parallel
Strand 3
B
276 278anti-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
284 290first strand
Strand 2
B
299 308anti-parallel
Strand 3
B
294 295anti-parallel
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There are 4 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
284 290first strand
Strand 2
B
299 308anti-parallel
Strand 3
B
342 348anti-parallel
Strand 4
B
328 332anti-parallel
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There are 4 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
320 321first strand
Strand 2
B
312 317anti-parallel
Strand 3
B
357 365anti-parallel
Strand 4
B
368 376anti-parallel
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There are 5 strands in P sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
11 13first strand
Strand 2
F
96 114anti-parallel
Strand 3
F
76 93anti-parallel
Strand 4
F
35 38anti-parallel
Strand 5
F
27 29anti-parallel
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There are 2 strands in Q sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
17 22first strand
Strand 2
E
53 58anti-parallel
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There are 5 strands in R sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
27 29first strand
Strand 2
E
35 38anti-parallel
Strand 3
E
76 92anti-parallel
Strand 4
E
97 114anti-parallel
Strand 5
F
11 13anti-parallel
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There are 2 strands in S sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
41 43first strand
Strand 2
E
48 50anti-parallel
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There are 2 strands in T sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
17 22first strand
Strand 2
F
53 58anti-parallel
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There are 2 strands in U sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
41 44first strand
Strand 2
F
47 50anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il