Analysis of interatomic Contacts of Structural Units in PDB entry:
2I8A


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 2I8A entry

There are 6 chains in PDB entry 2I8A (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 LYS 1003LEU 1253
B
 LYS 2003LEU 2253
C
 SER 3004LEU 3253
D
 LYS 4003LEU 4253
E
 LYS 5003LEU 5253
F
 SER 6002SER 6052
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 65 helices in PDB entry 2I8A. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
1012 1017Right-handed alpha
Helix 2
2
A
1027 1029Right-handed 310
Helix 3
3
A
1030 1036Right-handed alpha
Helix 4
4
A
1070 1085Right-handed alpha
Helix 5
5
A
1118 1123Right-handed 310
Helix 6
6
A
1133 1148Right-handed alpha
Helix 7
7
A
1163 1167Right-handed 310
Helix 8
8
A
1177 1181Right-handed 310
Helix 9
9
A
1182 1190Right-handed alpha
Helix 10
10
A
1198 1208Right-handed alpha
Helix 11
11
A
1230 1251Right-handed alpha
Helix 12
12
B
2013 2017Right-handed 310
Helix 13
13
B
2027 2029Right-handed 310
Helix 14
14
B
2030 2036Right-handed alpha
Helix 15
15
B
2070 2084Right-handed alpha
Helix 16
16
B
2118 2123Right-handed 310
Helix 17
17
B
2133 2147Right-handed alpha
Helix 18
18
B
2163 2167Right-handed 310
Helix 19
19
B
2177 2181Right-handed 310
Helix 20
20
B
2182 2190Right-handed alpha
Helix 21
21
B
2198 2208Right-handed alpha
Helix 22
22
B
2239 2252Right-handed alpha
Helix 23
23
C
3013 3017Right-handed 310
Helix 24
24
C
3027 3029Right-handed 310
Helix 25
25
C
3030 3036Right-handed alpha
Helix 26
26
C
3070 3084Right-handed alpha
Helix 27
27
C
3118 3123Right-handed 310
Helix 28
28
C
3133 3147Right-handed alpha
Helix 29
29
C
3163 3167Right-handed 310
Helix 30
30
C
3177 3181Right-handed 310
Helix 31
31
C
3182 3190Right-handed alpha
Helix 32
32
C
3198 3208Right-handed alpha
Helix 33
33
C
3237 3253Right-handed alpha
Helix 34
34
D
4012 4017Right-handed 310
Helix 35
35
D
4029 4036Right-handed alpha
Helix 36
36
D
4070 4084Right-handed alpha
Helix 37
37
D
4118 4123Right-handed 310
Helix 38
38
D
4133 4148Right-handed alpha
Helix 39
39
D
4163 4167Right-handed 310
Helix 40
40
D
4177 4181Right-handed 310
Helix 41
41
D
4182 4190Right-handed alpha
Helix 42
42
D
4198 4208Right-handed alpha
Helix 43
43
D
4238 4253Right-handed alpha
Helix 44
44
E
5012 5017Right-handed alpha
Helix 45
45
E
5029 5036Right-handed alpha
Helix 46
46
E
5070 5085Right-handed alpha
Helix 47
47
E
5118 5123Right-handed 310
Helix 48
48
E
5133 5147Right-handed alpha
Helix 49
49
E
5163 5167Right-handed 310
Helix 50
50
E
5177 5181Right-handed 310
Helix 51
51
E
5182 5190Right-handed alpha
Helix 52
52
E
5198 5208Right-handed alpha
Helix 53
53
E
5224 5226Right-handed 310
Helix 54
54
E
5230 5253Right-handed alpha
Helix 55
55
F
6012 6017Right-handed alpha
Helix 56
56
F
6027 6029Right-handed 310
Helix 57
57
F
6030 6036Right-handed alpha
Helix 58
58
F
6070 6085Right-handed alpha
Helix 59
59
F
6118 6123Right-handed 310
Helix 60
60
F
6133 6147Right-handed alpha
Helix 61
61
F
6163 6167Right-handed 310
Helix 62
62
F
6177 6181Right-handed 310
Helix 63
63
F
6182 6190Right-handed alpha
Helix 64
64
F
6198 6208Right-handed alpha
Helix 65
65
F
6239 6253Right-handed alpha
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There are 12 sheets in PDB entry 2I8A. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K, L,

There are 9 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
1039 1047first strand
Strand 2
A
1050 1057anti-parallel
Strand 3
A
1060 1065anti-parallel
Strand 4
A
1021 1025parallel
Strand 5
A
1088 1097parallel
Strand 6
A
1194 1196anti-parallel
Strand 7
A
1151 1159parallel
Strand 8
A
1107 1116parallel
Strand 9
A
1130 1131anti-parallel
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There are 8 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
1039 1047first strand
Strand 2
A
1050 1057anti-parallel
Strand 3
A
1060 1065anti-parallel
Strand 4
A
1021 1025parallel
Strand 5
A
1088 1097parallel
Strand 6
A
1212 1222parallel
Strand 7
A
1107 1116anti-parallel
Strand 8
A
1130 1131anti-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
B
2039 2047first strand
Strand 2
B
2050 2057anti-parallel
Strand 3
B
2060 2065anti-parallel
Strand 4
B
2021 2023parallel
Strand 5
B
2088 2095parallel
Strand 6
B
2212 2219parallel
Strand 7
B
2107 2116anti-parallel
Strand 8
B
2130 2131anti-parallel
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There are 9 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
2039 2047first strand
Strand 2
B
2050 2057anti-parallel
Strand 3
B
2060 2065anti-parallel
Strand 4
B
2021 2023parallel
Strand 5
B
2088 2095parallel
Strand 6
B
2212 2219parallel
Strand 7
B
2107 2116anti-parallel
Strand 8
B
2151 2159parallel
Strand 9
B
2195 2196parallel
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There are 8 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
3039 3047first strand
Strand 2
C
3050 3057anti-parallel
Strand 3
C
3060 3065anti-parallel
Strand 4
C
3021 3025parallel
Strand 5
C
3088 3095parallel
Strand 6
C
3212 3219parallel
Strand 7
C
3107 3116anti-parallel
Strand 8
C
3130 3131anti-parallel
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There are 9 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
3039 3047first strand
Strand 2
C
3050 3057anti-parallel
Strand 3
C
3060 3065anti-parallel
Strand 4
C
3021 3025parallel
Strand 5
C
3088 3095parallel
Strand 6
C
3212 3219parallel
Strand 7
C
3107 3116anti-parallel
Strand 8
C
3151 3159parallel
Strand 9
C
3194 3196parallel
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There are 9 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
4039 4047first strand
Strand 2
D
4050 4057anti-parallel
Strand 3
D
4060 4065anti-parallel
Strand 4
D
4021 4025parallel
Strand 5
D
4088 4097parallel
Strand 6
D
4194 4196anti-parallel
Strand 7
D
4151 4159parallel
Strand 8
D
4107 4116parallel
Strand 9
D
4130 4131anti-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
D
4039 4047first strand
Strand 2
D
4050 4057anti-parallel
Strand 3
D
4060 4065anti-parallel
Strand 4
D
4021 4025parallel
Strand 5
D
4088 4097parallel
Strand 6
D
4212 4222parallel
Strand 7
D
4107 4116anti-parallel
Strand 8
D
4130 4131anti-parallel
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There are 9 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
5039 5047first strand
Strand 2
E
5050 5057anti-parallel
Strand 3
E
5060 5065anti-parallel
Strand 4
E
5021 5025parallel
Strand 5
E
5088 5097parallel
Strand 6
E
5194 5196anti-parallel
Strand 7
E
5151 5159parallel
Strand 8
E
5107 5116parallel
Strand 9
E
5130 5131anti-parallel
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There are 8 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
5039 5047first strand
Strand 2
E
5050 5057anti-parallel
Strand 3
E
5060 5065anti-parallel
Strand 4
E
5021 5025parallel
Strand 5
E
5088 5097parallel
Strand 6
E
5212 5222parallel
Strand 7
E
5107 5116anti-parallel
Strand 8
E
5130 5131anti-parallel
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There are 9 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
6039 6047first strand
Strand 2
F
6050 6057anti-parallel
Strand 3
F
6060 6065anti-parallel
Strand 4
F
6021 6025parallel
Strand 5
F
6088 6097parallel
Strand 6
F
6194 6196anti-parallel
Strand 7
F
6151 6159parallel
Strand 8
F
6107 6116parallel
Strand 9
F
6130 6131anti-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
F
6039 6047first strand
Strand 2
F
6050 6057anti-parallel
Strand 3
F
6060 6065anti-parallel
Strand 4
F
6021 6025parallel
Strand 5
F
6088 6097parallel
Strand 6
F
6212 6222parallel
Strand 7
F
6107 6116anti-parallel
Strand 8
F
6130 6131anti-parallel
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