Analysis of interatomic Contacts of Structural Units in PDB entry:
4I99


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 4I99 entry

There are 4 chains in PDB entry 4I99 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 PRO 2MSE 1161
B
 PRO 2ILE 1163
C
 ASP 143MET 212
D
 ILE 144MET 212
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 31 helices in PDB entry 4I99. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
12 16Right-handed 310
Helix 2
2
A
38 50Right-handed alpha
Helix 3
3
A
55 59Right-handed 310
Helix 4
4
A
62 67Right-handed 310
Helix 5
5
A
122 133Right-handed alpha
Helix 6
6
A
147 154Right-handed alpha
Helix 7
7
A
155 168Right-handed alpha
Helix 8
8
A
1008 1032Right-handed alpha
Helix 9
9
A
1046 1050Right-handed 310
Helix 10
10
A
1065 1069Right-handed 310
Helix 11
11
A
1070 1089Right-handed alpha
Helix 12
12
A
1104 1120Right-handed alpha
Helix 13
13
A
1130 1135Right-handed alpha
Helix 14
14
B
12 16Right-handed 310
Helix 15
15
B
38 50Right-handed alpha
Helix 16
16
B
55 59Right-handed 310
Helix 17
17
B
62 67Right-handed 310
Helix 18
18
B
122 133Right-handed alpha
Helix 19
19
B
149 154Right-handed alpha
Helix 20
20
B
155 168Right-handed alpha
Helix 21
21
B
1008 1032Right-handed alpha
Helix 22
22
B
1046 1050Right-handed 310
Helix 23
23
B
1070 1089Right-handed alpha
Helix 24
24
B
1104 1119Right-handed alpha
Helix 25
25
B
1130 1136Right-handed alpha
Helix 26
26
C
144 163Right-handed alpha
Helix 27
27
C
169 172Right-handed 310
Helix 28
28
C
176 193Right-handed alpha
Helix 29
29
D
145 163Right-handed alpha
Helix 30
30
D
169 172Right-handed 310
Helix 31
31
D
176 194Right-handed alpha
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There are 8 sheets in PDB entry 4I99. 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
20 23first strand
Strand 2
A
3 10anti-parallel
Strand 3
A
80 87anti-parallel
Strand 4
A
99 106anti-parallel
Strand 5
A
112 116anti-parallel
Strand 6
A
119 121anti-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
142 143first strand
Strand 2
A
1093 1097parallel
Strand 3
A
1123 1127parallel
Strand 4
A
28 32parallel
Strand 5
A
1139 1144parallel
Strand 6
A
1151 1156anti-parallel
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There are 2 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
1036 1041first strand
Strand 2
A
1052 1057anti-parallel
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There are 6 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
20 23first strand
Strand 2
B
3 10anti-parallel
Strand 3
B
80 87anti-parallel
Strand 4
B
99 106anti-parallel
Strand 5
B
112 116anti-parallel
Strand 6
B
119 121anti-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
142 143first strand
Strand 2
B
1093 1097parallel
Strand 3
B
1123 1127parallel
Strand 4
B
28 32parallel
Strand 5
B
1139 1145parallel
Strand 6
B
1150 1156anti-parallel
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There are 2 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
1036 1041first strand
Strand 2
B
1052 1057anti-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
C
166 167first strand
Strand 2
C
208 211anti-parallel
Strand 3
C
196 199anti-parallel
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There are 3 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
166 167first strand
Strand 2
D
207 211anti-parallel
Strand 3
D
196 200anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il