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


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 1LOS entry

There are 4 chains in PDB entry 1LOS (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER 3ILE 222
B
 MET 1012SER 1221
C
 ASN 2013LEU 2207
D
 ARG 3004SER 3221
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 46 helices in PDB entry 1LOS. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
11 13Right-handed 310
Helix 2
2
A
23 35Right-handed alpha
Helix 3
3
A
45 52Right-handed alpha
Helix 4
4
A
54 64Right-handed alpha
Helix 5
5
A
76 90Right-handed alpha
Helix 6
6
A
102 117Right-handed alpha
Helix 7
7
A
128 133Right-handed 310
Helix 8
8
A
134 150Right-handed alpha
Helix 9
9
A
160 172Right-handed alpha
Helix 10
10
A
188 193Right-handed alpha
Helix 11
11
A
202 207Right-handed alpha
Helix 12
12
A
210 222Right-handed alpha
Helix 13
13
B
1023 1035Right-handed alpha
Helix 14
14
B
1045 1052Right-handed alpha
Helix 15
15
B
1054 1064Right-handed alpha
Helix 16
16
B
1076 1090Right-handed alpha
Helix 17
17
B
1102 1117Right-handed alpha
Helix 18
18
B
1128 1133Right-handed 310
Helix 19
19
B
1138 1150Right-handed alpha
Helix 20
20
B
1160 1172Right-handed alpha
Helix 21
21
B
1188 1193Right-handed alpha
Helix 22
22
B
1202 1207Right-handed alpha
Helix 23
23
B
1210 1220Right-handed alpha
Helix 24
24
C
2023 2035Right-handed alpha
Helix 25
25
C
2036 2038Right-handed 310
Helix 26
26
C
2045 2052Right-handed alpha
Helix 27
27
C
2053 2064Right-handed alpha
Helix 28
28
C
2076 2090Right-handed alpha
Helix 29
29
C
2102 2117Right-handed alpha
Helix 30
30
C
2128 2133Right-handed 310
Helix 31
31
C
2138 2150Right-handed alpha
Helix 32
32
C
2160 2172Right-handed alpha
Helix 33
33
C
2188 2193Right-handed alpha
Helix 34
34
C
2202 2207Right-handed alpha
Helix 35
35
D
3011 3013Right-handed 310
Helix 36
36
D
3023 3034Right-handed alpha
Helix 37
37
D
3045 3052Right-handed alpha
Helix 38
38
D
3053 3064Right-handed alpha
Helix 39
39
D
3076 3090Right-handed alpha
Helix 40
40
D
3102 3117Right-handed alpha
Helix 41
41
D
3128 3133Right-handed 310
Helix 42
42
D
3135 3150Right-handed alpha
Helix 43
43
D
3160 3172Right-handed alpha
Helix 44
44
D
3188 3193Right-handed alpha
Helix 45
45
D
3202 3207Right-handed alpha
Helix 46
46
D
3210 3220Right-handed alpha
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There are 4 sheets in PDB entry 1LOS. Click on sheet of interest to get list of strands forming it: A, B, C, D,

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
15 19first strand
Strand 2
A
40 44parallel
Strand 3
A
66 73parallel
Strand 4
A
94 98parallel
Strand 5
A
119 123parallel
Strand 6
A
153 155parallel
Strand 7
A
176 180parallel
Strand 8
A
198 201parallel
Strand 9
A
15 19parallel
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There are 9 strands in B sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
1015 1019first strand
Strand 2
B
1040 1044parallel
Strand 3
B
1066 1073parallel
Strand 4
B
1094 1098parallel
Strand 5
B
1119 1123parallel
Strand 6
B
1153 1155parallel
Strand 7
B
1176 1180parallel
Strand 8
B
1198 1201parallel
Strand 9
B
1015 1019parallel
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There are 9 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
2015 2019first strand
Strand 2
C
2040 2044parallel
Strand 3
C
2066 2073parallel
Strand 4
C
2094 2098parallel
Strand 5
C
2119 2123parallel
Strand 6
C
2153 2155parallel
Strand 7
C
2176 2180parallel
Strand 8
C
2198 2201parallel
Strand 9
C
2015 2019parallel
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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
D
3015 3019first strand
Strand 2
D
3040 3044parallel
Strand 3
D
3066 3073parallel
Strand 4
D
3094 3098parallel
Strand 5
D
3119 3123parallel
Strand 6
D
3153 3155parallel
Strand 7
D
3176 3180parallel
Strand 8
D
3198 3201parallel
Strand 9
D
3015 3019parallel
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