Analysis of interatomic Contacts of Structural Units in PDB entry:
3IF9


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 3IF9 entry

There are 4 chains in PDB entry 3IF9 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 1LYS 364
B
 MET 1LYS 364
C
 MET 1LYS 364
D
 MET 1LYS 364
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 52 helices in PDB entry 3IF9. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
13 26Right-handed alpha
Helix 2
2
A
41 46Right-handed alpha
Helix 3
3
A
60 73Right-handed alpha
Helix 4
4
A
75 85Right-handed alpha
Helix 5
5
A
101 109Right-handed alpha
Helix 6
6
A
110 112Right-handed 310
Helix 7
7
A
122 129Right-handed alpha
Helix 8
8
A
149 165Right-handed alpha
Helix 9
9
A
202 205Right-handed 310
Helix 10
10
A
206 213Right-handed alpha
Helix 11
11
A
271 286Right-handed alpha
Helix 12
12
A
287 292Right-handed 310
Helix 13
13
A
334 347Right-handed alpha
Helix 14
14
A
352 359Right-handed alpha
Helix 15
15
B
13 26Right-handed alpha
Helix 16
16
B
41 46Right-handed alpha
Helix 17
17
B
60 73Right-handed alpha
Helix 18
18
B
75 85Right-handed alpha
Helix 19
19
B
101 109Right-handed alpha
Helix 20
20
B
110 112Right-handed 310
Helix 21
21
B
121 129Right-handed alpha
Helix 22
22
B
149 164Right-handed alpha
Helix 23
23
B
202 205Right-handed 310
Helix 24
24
B
206 213Right-handed alpha
Helix 25
25
B
271 286Right-handed alpha
Helix 26
26
B
287 292Right-handed 310
Helix 27
27
B
330 347Right-handed alpha
Helix 28
28
B
352 359Right-handed alpha
Helix 29
29
C
13 26Right-handed alpha
Helix 30
30
C
41 46Right-handed alpha
Helix 31
31
C
60 85Right-handed alpha
Helix 32
32
C
101 110Right-handed alpha
Helix 33
33
C
122 129Right-handed alpha
Helix 34
34
C
149 164Right-handed alpha
Helix 35
35
C
202 205Right-handed 310
Helix 36
36
C
206 213Right-handed alpha
Helix 37
37
C
271 284Right-handed alpha
Helix 38
38
C
286 292Right-handed 310
Helix 39
39
C
330 347Right-handed alpha
Helix 40
40
C
352 359Right-handed alpha
Helix 41
41
D
13 26Right-handed alpha
Helix 42
42
D
41 46Right-handed alpha
Helix 43
43
D
60 85Right-handed alpha
Helix 44
44
D
101 110Right-handed alpha
Helix 45
45
D
122 129Right-handed alpha
Helix 46
46
D
149 164Right-handed alpha
Helix 47
47
D
202 205Right-handed 310
Helix 48
48
D
206 213Right-handed alpha
Helix 49
49
D
271 286Right-handed alpha
Helix 50
50
D
287 292Right-handed 310
Helix 51
51
D
330 347Right-handed alpha
Helix 52
52
D
352 359Right-handed alpha
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There are 16 sheets in PDB entry 3IF9. 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,

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
4 5first strand
Strand 2
A
191 195parallel
Strand 3
A
184 188anti-parallel
Strand 4
A
176 178anti-parallel
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There are 6 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
167 169first strand
Strand 2
A
30 33parallel
Strand 3
A
7 10parallel
Strand 4
A
198 200parallel
Strand 5
A
318 325parallel
Strand 6
A
311 315anti-parallel
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There are 8 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
117 121first strand
Strand 2
A
138 142anti-parallel
Strand 3
A
95 99anti-parallel
Strand 4
A
239 242parallel
Strand 5
A
245 249anti-parallel
Strand 6
A
254 258anti-parallel
Strand 7
A
220 230anti-parallel
Strand 8
A
262 263anti-parallel
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There are 8 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
117 121first strand
Strand 2
A
138 142anti-parallel
Strand 3
A
95 99anti-parallel
Strand 4
A
239 242parallel
Strand 5
A
245 249anti-parallel
Strand 6
A
254 258anti-parallel
Strand 7
A
220 230anti-parallel
Strand 8
A
293 304anti-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
B
167 169first strand
Strand 2
B
30 33parallel
Strand 3
B
4 10parallel
Strand 4
B
191 200parallel
Strand 5
B
184 188anti-parallel
Strand 6
B
176 178anti-parallel
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There are 6 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
167 169first strand
Strand 2
B
30 33parallel
Strand 3
B
4 10parallel
Strand 4
B
191 200parallel
Strand 5
B
318 325parallel
Strand 6
B
311 315anti-parallel
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There are 8 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
117 120first strand
Strand 2
B
139 142anti-parallel
Strand 3
B
95 98anti-parallel
Strand 4
B
239 242parallel
Strand 5
B
245 249anti-parallel
Strand 6
B
254 258anti-parallel
Strand 7
B
220 230anti-parallel
Strand 8
B
262 263anti-parallel
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There are 8 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
117 120first strand
Strand 2
B
139 142anti-parallel
Strand 3
B
95 98anti-parallel
Strand 4
B
239 242parallel
Strand 5
B
245 249anti-parallel
Strand 6
B
254 258anti-parallel
Strand 7
B
220 230anti-parallel
Strand 8
B
294 304anti-parallel
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There are 6 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
167 169first strand
Strand 2
C
30 33parallel
Strand 3
C
4 10parallel
Strand 4
C
191 200parallel
Strand 5
C
183 188anti-parallel
Strand 6
C
176 180anti-parallel
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There are 6 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
167 169first strand
Strand 2
C
30 33parallel
Strand 3
C
4 10parallel
Strand 4
C
191 200parallel
Strand 5
C
318 325parallel
Strand 6
C
311 315anti-parallel
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There are 8 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
120 121first strand
Strand 2
C
138 142anti-parallel
Strand 3
C
95 99anti-parallel
Strand 4
C
239 242parallel
Strand 5
C
245 249anti-parallel
Strand 6
C
254 258anti-parallel
Strand 7
C
220 230anti-parallel
Strand 8
C
262 263anti-parallel
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There are 8 strands in L sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
120 121first strand
Strand 2
C
138 142anti-parallel
Strand 3
C
95 99anti-parallel
Strand 4
C
239 242parallel
Strand 5
C
245 249anti-parallel
Strand 6
C
254 258anti-parallel
Strand 7
C
220 230anti-parallel
Strand 8
C
293 304anti-parallel
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There are 6 strands in M sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
167 169first strand
Strand 2
D
30 33parallel
Strand 3
D
4 10parallel
Strand 4
D
193 200parallel
Strand 5
D
184 187anti-parallel
Strand 6
D
176 178anti-parallel
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There are 6 strands in N sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
167 169first strand
Strand 2
D
30 33parallel
Strand 3
D
4 10parallel
Strand 4
D
193 200parallel
Strand 5
D
318 325parallel
Strand 6
D
311 315anti-parallel
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There are 8 strands in O sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
117 121first strand
Strand 2
D
138 142anti-parallel
Strand 3
D
95 99anti-parallel
Strand 4
D
239 242parallel
Strand 5
D
245 249anti-parallel
Strand 6
D
254 258anti-parallel
Strand 7
D
219 230anti-parallel
Strand 8
D
262 263anti-parallel
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There are 8 strands in P sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
117 121first strand
Strand 2
D
138 142anti-parallel
Strand 3
D
95 99anti-parallel
Strand 4
D
239 242parallel
Strand 5
D
245 249anti-parallel
Strand 6
D
254 258anti-parallel
Strand 7
D
219 230anti-parallel
Strand 8
D
294 305anti-parallel
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