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


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 1SFN entry

There are 2 chains in PDB entry 1SFN (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 1001LEU 1245
B
 MET 2001LEU 2245
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 4 helices in PDB entry 1SFN. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
1001 1005Right-handed 310
Helix 2
2
A
1019 1023Right-handed 310
Helix 3
3
B
2001 2005Right-handed 310
Helix 4
4
B
2019 2023Right-handed 310
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There are 8 sheets in PDB entry 1SFN. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H,

There are 8 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
1010 1012first strand
Strand 2
A
1015 1018anti-parallel
Strand 3
A
1213 1216anti-parallel
Strand 4
A
1188 1194anti-parallel
Strand 5
A
1232 1239anti-parallel
Strand 6
A
1165 1172anti-parallel
Strand 7
A
1151 1155anti-parallel
Strand 8
A
1143 1144anti-parallel
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There are 5 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
1035 1040first strand
Strand 2
A
1051 1057anti-parallel
Strand 3
A
1105 1119anti-parallel
Strand 4
A
1069 1082anti-parallel
Strand 5
A
1087 1090anti-parallel
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There are 5 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
1062 1064first strand
Strand 2
A
1105 1119anti-parallel
Strand 3
A
1069 1082anti-parallel
Strand 4
A
1094 1098anti-parallel
Strand 5
A
1133 1136anti-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
1204 1209first strand
Strand 2
A
1196 1201anti-parallel
Strand 3
A
1222 1227anti-parallel
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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
B
2010 2011first strand
Strand 2
B
2015 2018anti-parallel
Strand 3
B
2213 2216anti-parallel
Strand 4
B
2188 2194anti-parallel
Strand 5
B
2232 2239anti-parallel
Strand 6
B
2165 2172anti-parallel
Strand 7
B
2151 2155anti-parallel
Strand 8
B
2143 2144anti-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
2035 2040first strand
Strand 2
B
2051 2057anti-parallel
Strand 3
B
2112 2119anti-parallel
Strand 4
B
2069 2076anti-parallel
Strand 5
B
2094 2098anti-parallel
Strand 6
B
2133 2136anti-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
B
2062 2064first strand
Strand 2
B
2104 2108anti-parallel
Strand 3
B
2079 2083anti-parallel
Strand 4
B
2086 2090anti-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
B
2204 2209first strand
Strand 2
B
2196 2201anti-parallel
Strand 3
B
2222 2227anti-parallel
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