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


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 1SPA entry

There is 1 chain in PDB entry 1SPA (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 5LEU 409
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 16 helices in PDB entry 1SPA. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
HA
A
16 24Right-handed alpha
Helix 2
HB
A
51 62Right-handed alpha
Helix 3
HC
A
77 88Right-handed alpha
Helix 4
HD
A
93 96Right-handed alpha
Helix 5
HE
A
108 121Right-handed alpha
Helix 6
HF
A
143 150Right-handed alpha
Helix 7
HG
A
170 178Right-handed alpha
Helix 8
HH
A
202 215Right-handed alpha
Helix 9
HI
A
233 246Right-handed alpha
Helix 10
HJ
A
257 259Right-handed alpha
Helix 11
HK
A
277 292Right-handed alpha
Helix 12
HL
A
300 310Right-handed alpha
Helix 13
HM
A
313 343Right-handed alpha
Helix 14
HN
A
351 354Right-handed alpha
Helix 15
HO
A
367 376Right-handed alpha
Helix 16
HP
A
394 405Right-handed alpha
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There are 3 sheets in PDB entry 1SPA. Click on sheet of interest to get list of strands forming it: S1, S2, S3,

There are 2 strands in S1 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
33 35first strand
Strand 2
A
379 380parallel
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There are 7 strands in S2 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
99 105first strand
Strand 2
A
267 274anti-parallel
Strand 3
A
250 255anti-parallel
Strand 4
A
218 223parallel
Strand 5
A
184 189parallel
Strand 6
A
129 137parallel
Strand 7
A
154 158parallel
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There are 2 strands in S3 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
360 361first strand
Strand 2
A
386 388anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il