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(-)Asym./Biol. Unit
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(-) Description

Title :  STRUCTURE OF SCP-B THE FIRST MEMBER OF THE EQOLISIN FAMILY OF PEPTIDASES TO HAVE ITS STRUCTURE DETERMINED
 
Authors :  M. Fujinaga, M. M. Cherney, H. Oyama, K. Oda, M. N. James
Date :  08 Jan 04  (Deposition) - 27 Apr 04  (Release) - 16 Nov 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.10
Chains :  Asym./Biol. Unit :  A
Keywords :  Beta Sandwich, Carboxyl Peptidase, Protease, Proteinase, Eqolisin Family, Hydrolase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  M. Fujinaga, M. M. Cherney, H. Oyama, K. Oda, M. N. James
The Molecular Structure And Catalytic Mechanism Of A Novel Carboxyl Peptidase From Scytalidium Lignicolum
Proc. Natl. Acad. Sci. Usa V. 101 3364 2004
PubMed-ID: 14993599  |  Reference-DOI: 10.1073/PNAS.0400246101

(-) Compounds

Molecule 1 - SCYTALIDOPEPSIN B
    Chains: A
    EC Number: 3.4.23.32
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Taxid: 562
    Organism Scientific: SCYTALIDIUM LIGNICOLA
    Organism Taxid: 5539
    Synonym: ACID PROTEASE B, SLB

 Structural Features

(-) Chains, Units

  1
Asymmetric/Biological Unit : A

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (0, 0)

(no "Ligand,Modified Residues,Ions" information available for 1S2B)

(-) Sites  (0, 0)

(no "Site" information available for 1S2B)

(-) SS Bonds  (3, 3)

Asymmetric/Biological Unit
No.Residues
1A:47 -A:127
2A:141 -A:148
3A:194 -A:203

(-) Cis Peptide Bonds  (1, 1)

Asymmetric/Biological Unit
No.Residues
1Ser A:157 -Pro A:158

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1S2B)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 1S2B)

(-) Exons   (0, 0)

(no "Exon" information available for 1S2B)

(-) 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:199
 aligned with PRTB_SCYLI | P15369 from UniProtKB/Swiss-Prot  Length:260

    Alignment length:206
                                    64        74        84        94       104       114       124       134       144       154       164       174       184       194       204       214       224       234       244       254      
           PRTB_SCYLI    55 TVESNWGGAILIGSDFDTVSATANVPSASGGSSAAGTAWVGIDGDTCQTAILQTGFDWYGDGTYDAWYEWYPEVSDDFSGITISEGDSIQMSVTATSDTSGSATLENLTTGQKVSKSFSNESSGSLCRTNAEFIIEDFEECNSNGSDCEFVPFASFSPAVEFTDCSVTSDGESVSLDDAQITQVIINNQDVTDCSVSGTTVSCSYV 260
               SCOP domains d1s2ba_ A: Scytalidopepsin B                                                                                                                                                                                   SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains --Peptidase_A4-1s2bA01 A:3-206                                                                                                                                                                                 Pfam domains
         Sec.struct. author .eee.eeeeeee...eeeeeeeee..eee.eeeeeeeeeeee.........eeeeeeeee...eeeeee.--...-----.......eeeeeeeeee..eeeeeee......eeeeee...........eeeeeee..eee......eee....eee..eeeeeeeeee..ee......eee..ee..ee.eeeeee..eeeeee. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1s2b A   1 TVESNWGGAILIGSDFDTVSATANVPSASGGSSAAGTAWVGIDGDTCQTAILQTGFDWYGDGTYDAWYEW--EVS-----ITISEGDSIQMSVTATSDTSGSATLENLTTGQKVSKSFSNESSGSLCRTNAEFIIEDFEECNSNGSDCEFVPFASFSPAVEFTDCSVTSDGESVSLDDAQITQVIINNQDVTDCSVSGTTVSCSYV 206
                                    10        20        30        40        50        60        70  | |    -|       90       100       110       120       130       140       150       160       170       180       190       200      
                                                                                                70 73 |    81                                                                                                                             
                                                                                                     75
   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  (1, 1)

Asymmetric/Biological Unit
(-)
Class: All beta proteins (24004)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 1S2B)

(-) Pfam Domains  (1, 1)

Asymmetric/Biological Unit
(-)
Clan: no clan defined [family: Peptidase_A4] (3)

(-) Gene Ontology  (4, 4)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (PRTB_SCYLI | P15369)
molecular function
    GO:0004190    aspartic-type endopeptidase activity    Catalysis of the hydrolysis of internal, alpha-peptide bonds in a polypeptide chain by a mechanism in which a water molecule bound by the side chains of aspartic residues at the active center acts as a nucleophile.
    GO:0016787    hydrolase activity    Catalysis of the hydrolysis of various bonds, e.g. C-O, C-N, C-C, phosphoric anhydride bonds, etc. Hydrolase is the systematic name for any enzyme of EC class 3.
    GO:0008233    peptidase activity    Catalysis of the hydrolysis of a peptide bond. A peptide bond is a covalent bond formed when the carbon atom from the carboxyl group of one amino acid shares electrons with the nitrogen atom from the amino group of a second amino acid.
biological process
    GO:0006508    proteolysis    The hydrolysis of proteins into smaller polypeptides and/or amino acids by cleavage of their peptide bonds.

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Asymmetric/Biological Unit
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  Sites
(no "Sites" information available for 1s2b)
 
  Cis Peptide Bonds
    Ser A:157 - Pro A:158   [ RasMol ]  
 

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  1s2b
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  PRTB_SCYLI | P15369
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  3.4.23.32
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 Related Entries

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

UniProtKB/Swiss-Prot
        PRTB_SCYLI | P15369: 1s2k 2ifr 2ifw

(-) Related Entries Specified in the PDB File

1s2k SAME PROTEIN WITH BOUND PEPTIDE