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(-) Description

Title :  THE STRUCTURAL BASIS OF DIFFERENTIAL INHIBITION OF HUMAN CALPAIN BY INDOLE AND PHENYL ALPHA-MERCAPTOACRYLIC ACIDS
 
Authors :  R. K. Allemann, P. J. Rizkallah, S. E. Adams, D. J. Miller, M. B. Hallett
Date :  06 May 14  (Deposition) - 13 Aug 14  (Release) - 04 Feb 15  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.79
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Calcium Binding, Protease, Hydrolase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  S. E. Adams, P. J. Rizkallah, D. J. Miller, E. J. Robinson, M. B. Hallett R. K. Allemann
The Structural Basis Of Differential Inhibition Of Human Calpain By Indole And Phenyl Alpha-Mercaptoacrylic Acids.
J. Struct. Biol. V. 187 236 2014
PubMed-ID: 25086406  |  Reference-DOI: 10.1016/J.JSB.2014.07.004

(-) Compounds

Molecule 1 - CALPAIN SMALL SUBUNIT 1
    Chains: A, B
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Taxid: 562
    Fragment: PEF(S) DOMAIN VI, RESIDUES 94-266
    Gene: CAPNS1, CAPN4
    Organism Common: PIG
    Organism Scientific: SUS SCROFA
    Organism Taxid: 9823
    Synonym: CSS1,CALCIUM-ACTIVATED NEUTRAL PROTEINASE SMALL SUBUNIT,CANP SMALL SUBUNIT,CALCIUM-DEPENDENT PROTEASE SMALL SUBUNIT,CDPS,CALCIUM- DEPENDENT PROTEASE SMALL SUBUNIT 1,CALPAIN REGULATORY SUBUNIT

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit : AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 8)

Asymmetric/Biological Unit (1, 8)
No.NameCountTypeFull Name
1CA8Ligand/IonCALCIUM ION

(-) Sites  (8, 8)

Asymmetric Unit (8, 8)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREALA A:107 , ASP A:110 , GLU A:112 , GLU A:117 , HOH A:452 , HOH A:474binding site for residue CA A 301
2AC2SOFTWAREASP A:150 , ASP A:152 , THR A:154 , LYS A:156 , GLU A:161 , HOH A:412binding site for residue CA A 302
3AC3SOFTWAREASP A:180 , ASP A:182 , SER A:184 , THR A:186 , GLU A:191 , HOH A:476binding site for residue CA A 303
4AC4SOFTWAREASP A:135 , ASP A:223 , ASP A:225 , ASN A:226 , HOH A:431 , HOH B:407binding site for residue CA A 304
5AC5SOFTWAREALA B:107 , ASP B:110 , GLU B:112 , GLU B:117 , HOH B:469 , HOH B:509binding site for residue CA B 301
6AC6SOFTWAREASP B:150 , ASP B:152 , THR B:154 , LYS B:156 , GLU B:161 , HOH B:487binding site for residue CA B 302
7AC7SOFTWAREASP B:180 , ASP B:182 , SER B:184 , THR B:186 , GLU B:191 , HOH B:451binding site for residue CA B 303
8AC8SOFTWAREASP B:135 , ASP B:223 , ASP B:225 , ASN B:226 , HOH B:418 , HOH B:472binding site for residue CA B 304

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 4PHN)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 4PHN)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 4PHN)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 4PHN)

(-) Exons   (0, 0)

(no "Exon" information available for 4PHN)

(-) Sequences/Alignments

Asymmetric/Biological Unit
   Reformat: Number of residues per line =  ('0' or empty: single-line sequence representation)
  Number of residues per labelling interval =   
  UniProt sequence: complete  aligned part    
   Show mapping: SCOP domains CATH domains Pfam domains Secondary structure (by author)
SAPs(SNPs) PROSITE motifs Exons
(details for a mapped element are shown in a popup box when the mouse pointer rests over it) 
Chain A from PDB  Type:PROTEIN  Length:173
                                                                                                                                                                                                             
               SCOP domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author hhhhhhhhhhhhhhh.....hhhhhhhhhhhhhhh.........hhhhhhhhhhhhh.......hhhhhhhhhhhhhhhhhhhhhhh......ee..hhhhhhhhh....hhhhhhhhhhhhh....eehhhhhhhhhhhhhhhhhhhhhhh.....eeeeehhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4phn A  94 EEVRQFRRLFAQLAGDDMEVSATELMNILNKVVTRHPDLKTDGFGIDTCRSMVAVMDSDTTGKLGFEEFKYLWNNIKKWQAIYKQFDVDRSGTIGSSELPGAFEAAGFHLNEHLYSMIIRRYSDEGGNMDFDNFISCLVRLDAMFRAFKSLDKDGTGQIQVNIQEWLQLTMYS 266
                                   103       113       123       133       143       153       163       173       183       193       203       213       223       233       243       253       263   


Chain B from PDB  Type:PROTEIN  Length:173
                                                                                                                                                                                                             
               SCOP domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .hhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhh.........hhhhhhhhhhhhh.......hhhhhhhhhhhhhhhhhhhhhhh..........hhhhhhhhh....hhhhhhhhhhhhh......hhhhhhhhhhhhhhhhhhhhhh......eeeeehhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4phn B  94 EEVRQFRRLFAQLAGDDMEVSATELMNILNKVVTRHPDLKTDGFGIDTCRSMVAVMDSDTTGKLGFEEFKYLWNNIKKWQAIYKQFDVDRSGTIGSSELPGAFEAAGFHLNEHLYSMIIRRYSDEGGNMDFDNFISCLVRLDAMFRAFKSLDKDGTGQIQVNIQEWLQLTMYS 266
                                   103       113       123       133       143       153       163       173       183       193       203       213       223       233       243       253       263
   Legend:   → Mismatch (orange background)
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  x → Chemical Group (purple background, 'x', labelled with number + name, e.g. ACE or NH2)
  extra numbering lines below/above indicate numbering irregularities and modified residue names etc., number ends below/above '|'

 Classification and Annotation

(-) SCOP Domains  (0, 0)

(no "SCOP Domain" information available for 4PHN)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 4PHN)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 4PHN)

(-) Gene Ontology  (9, 9)

Asymmetric/Biological Unit(hide GO term definitions)

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 Related Entries

(-) Entries Sharing at Least One Protein Chain (UniProt ID)

UniProtKB/Swiss-Prot
        CPNS1_PIG | P04574: 1alv 1alw 1nx0 1nx1 1nx2 1nx3

(-) Related Entries Specified in the PDB File

4phj THIS IS THE PORCINE SEQUENCE STRUCTURE, DETERMINED DURING THE COURSE OF THE WORK ON THE HUMAN SEQUENCE. IT GOES TO HIGHER RESOLUTION THAN THE PREVIOUSLY REPORTED 1ALV.