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(-) Description

Title :  STRUCTURAL BASIS OF THE RESISTANCE OF AN INSECT CARBOXYPEPTIDASE TO PLANT PROTEASE INHIBITORS
 
Authors :  A. Bayes, M. Comellas-Bigler, M. Rodriguez De La Vega, K. Maskos, W. Bode, F. X. Aviles, M. A. Jongsma, J. Beekwilder, J. Vendrell
Date :  12 Sep 05  (Deposition) - 19 Oct 05  (Release) - 26 Jun 13  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.30
Chains :  Asym. Unit :  A,B
Biol. Unit 1:  A  (1x)
Biol. Unit 2:  B  (1x)
Keywords :  Insect, Helicoverpa Zea, Carboxypeptidase, Metalloprotease, Insensitive, Plant Inhibitors, Hydrolase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  A. Bayes, M. Comellas-Bigler, M. Rodriguez De La Vega, K. Maskos, W. Bode, F. X. Aviles, M. A. Jongsma, J. Beekwilder, J. Vendrell
Structural Basis Of The Resistance Of An Insect Carboxypeptidase To Plant Protease Inhibitors.
Proc. Natl. Acad. Sci. Usa V. 102 16602 2005
PubMed-ID: 16260742  |  Reference-DOI: 10.1073/PNAS.0505489102

(-) Compounds

Molecule 1 - CARBOXYPEPTIDASE B
    Chains: A, B
    EC Number: 3.4.17.2
    Engineered: YES
    Expression System: PICHIA PASTORIS
    Expression System Plasmid: PPIC9
    Expression System Strain: KM71
    Expression System Taxid: 4922
    Expression System Vector Type: PLASMID
    Organism Common: CORN EARWORM
    Organism Scientific: HELICOVERPA ZEA
    Organism Taxid: 7113
    Tissue: EPITHELIUM

 Structural Features

(-) Chains, Units

  12
Asymmetric Unit : AB
Biological Unit 1 (1x): A 
Biological Unit 2 (1x):  B

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (2, 4)

Asymmetric Unit (2, 4)
No.NameCountTypeFull Name
1Y12Ligand/IonYTTRIUM ION
2ZN2Ligand/IonZINC ION
Biological Unit 1 (0, 0)
No.NameCountTypeFull Name
1Y1-1Ligand/IonYTTRIUM ION
2ZN-1Ligand/IonZINC ION
Biological Unit 2 (0, 0)
No.NameCountTypeFull Name
1Y1-1Ligand/IonYTTRIUM ION
2ZN-1Ligand/IonZINC ION

(-) Sites  (4, 4)

Asymmetric Unit (4, 4)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREHIS A:69 , GLU A:72 , HIS A:196BINDING SITE FOR RESIDUE ZN A 625
2AC2SOFTWAREGLU A:123 , HOH A:2074 , HOH A:2076BINDING SITE FOR RESIDUE Y1 A 700
3AC3SOFTWAREHIS B:69 , GLU B:72 , HIS B:196BINDING SITE FOR RESIDUE ZN B 625
4AC4SOFTWAREGLU B:123 , HOH B:2079BINDING SITE FOR RESIDUE Y1 B 700

(-) SS Bonds  (2, 2)

Asymmetric Unit
No.Residues
1A:138 -A:161
2B:138 -B:161

(-) Cis Peptide Bonds  (4, 4)

Asymmetric Unit
No.Residues
1Ser A:197 -Phe A:198
2Pro A:205 -Trp A:206
3Ser B:197 -Phe B:198
4Pro B:205 -Trp B:206

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 2C1C)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 2C1C)

(-) Exons   (0, 0)

(no "Exon" information available for 2C1C)

(-) Sequences/Alignments

Asymmetric 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:312
 aligned with Q3T905_HELZE | Q3T905 from UniProtKB/TrEMBL  Length:429

    Alignment length:312
                                   126       136       146       156       166       176       186       196       206       216       226       236       246       256       266       276       286       296       306       316       326       336       346       356       366       376       386       396       406       416       426  
        Q3T905_HELZE    117 LPYDNYQELEVIDEYLDYIGEKYPDVATVVNAAESFEGRPIKYIKISTTNFEDENKPVIFIDGGIHAREWISPPSVTWAIHKLVEDVTENDLLEKFDWILLPVVNPDGYKYTFTNERFWRKTRSTNNNPLSQICRGADGNRNFDFVWNSIGTSNSPCSDIYAGTSAFSEVETRVVRDILHEHLARMALYLTMHSFGSMILYPWGHDGSLSQNALGLHTVGVAMASVIQSNALPNFPPYTVGNSALVIGYYIAGSSEDYAHSIGVPLSYTYELPGLSSGWDGFHLPPQYIEQVCRETWEGIVVGARRAGDLFR  428
               SCOP domains d2c1ca1 A:7-309 Carboxypeptidase B                                                                                                                                                                                                                                                                                       SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author .......hhhhhhhhhhhhhhhh...eeeeeeee.....eeeeeee...........eeeeee.......hhhhhhhhhhhhhhh....hhhhhhheeeee...hhhhhhhhhhh............hhhhhh....hhhhh..........................hhhhhhhhhhhhhhh..eeeeeeee....eeee..........hhhhhhhhhhhhhhhhhh.........eeeehhhhhh.....hhhhhhhhh...eeeeee......hhhhhh.hhhhhhhhhhhhhhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                2c1c A    7 LPYDNYQELEVIDEYLDYIGEKYPDVATVVNAAESFEGRPIKYIKISTTNFEDENKPVIFIDGGIHAREWISPPSVTWAIHKLVEDVTENDLLEKFDWILLPVVNPDGYKYTFTNERFWRKTRSTNNNPLSQICRGADGNRNFDFVWNSIGTSNSPCSDIYAGTSAFSEVETRVVRDILHEHLARMALYLTMHSFGSMILYPWGHDGSLSQNALGLHTVGVAMASVIQSNALPNFPPYTVGNSALVIGYYIAGSSEDYAHSIGVPLSYTYELPGLSSGWDGFHLPPQYIEQVCRETWEGIVVGARRAGDLFR  309
                                    16        26        36        46        56||  |   63        73        83    | ||97       107       117       127      134C       144       154       164       174       184    |  193       203       213       223       233   ||| 240       249       259       269      277B       287       297       307  
                                                                            56A|  |                           87A ||                                    134A||                                                   188A                                             236A||        247A                           277A|                                
                                                                             56B  |                              89|                                     134B|                                                                                                     236B|                                        277B                                
                                                                                58A                               95                                      134C                                                                                                      236C                                                                            


Chain B from PDB  Type:PROTEIN  Length:312
 aligned with Q3T905_HELZE | Q3T905 from UniProtKB/TrEMBL  Length:429

    Alignment length:312
                                   126       136       146       156       166       176       186       196       206       216       226       236       246       256       266       276       286       296       306       316       326       336       346       356       366       376       386       396       406       416       426  
        Q3T905_HELZE    117 LPYDNYQELEVIDEYLDYIGEKYPDVATVVNAAESFEGRPIKYIKISTTNFEDENKPVIFIDGGIHAREWISPPSVTWAIHKLVEDVTENDLLEKFDWILLPVVNPDGYKYTFTNERFWRKTRSTNNNPLSQICRGADGNRNFDFVWNSIGTSNSPCSDIYAGTSAFSEVETRVVRDILHEHLARMALYLTMHSFGSMILYPWGHDGSLSQNALGLHTVGVAMASVIQSNALPNFPPYTVGNSALVIGYYIAGSSEDYAHSIGVPLSYTYELPGLSSGWDGFHLPPQYIEQVCRETWEGIVVGARRAGDLFR  428
               SCOP domains d2c1cb_ B: Carboxypeptidase B                                                                                                                                                                                                                                                                                            SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author .......hhhhhhhhhhhhhhhh...eeeeeeee.....eeeeeee...........eeeeee.......hhhhhhhhhhhhhhh....hhhhhhheeeee...hhhhhhhhhhh............hhhhhh....hhhhh..........................hhhhhhhhhhhhhh...eeeeeeee....eeee..........hhhhhhhhhhhhhhhhhh.........eeeehhhhh......hhhhhhhhh...eeeeee......hhhhhh.hhhhhhhhhhhhhhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                2c1c B    7 LPYDNYQELEVIDEYLDYIGEKYPDVATVVNAAESFEGRPIKYIKISTTNFEDENKPVIFIDGGIHAREWISPPSVTWAIHKLVEDVTENDLLEKFDWILLPVVNPDGYKYTFTNERFWRKTRSTNNNPLSQICRGADGNRNFDFVWNSIGTSNSPCSDIYAGTSAFSEVETRVVRDILHEHLARMALYLTMHSFGSMILYPWGHDGSLSQNALGLHTVGVAMASVIQSNALPNFPPYTVGNSALVIGYYIAGSSEDYAHSIGVPLSYTYELPGLSSGWDGFHLPPQYIEQVCRETWEGIVVGARRAGDLFR  309
                                    16        26        36        46        56||  |   63        73        83    | ||97       107       117       127      134C       144       154       164       174       184    |  193       203       213       223       233   ||| 240       249       259       269      277B       287       297       307  
                                                                            56A|  |                           87A ||                                    134A||                                                   188A                                             236A||        247A                           277A|                                
                                                                             56B  |                              89|                                     134B|                                                                                                     236B|                                        277B                                
                                                                                58A                               95                                      134C                                                                                                      236C
   Legend:   → Mismatch (orange background)
  - → Gap (green background, '-', border residues have a numbering label)
    → Modified Residue (blue background, lower-case, 'x' indicates undefined single-letter code, labelled with number + name)
  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, 2)

Asymmetric Unit
(-)
Class: Alpha and beta proteins (a/b) (23833)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 2C1C)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 2C1C)

(-) Gene Ontology  (6, 6)

Asymmetric Unit(hide GO term definitions)
Chain A,B   (Q3T905_HELZE | Q3T905)
molecular function
    GO:0004180    carboxypeptidase activity    Catalysis of the hydrolysis of the terminal or penultimate peptide bond at the C-terminal end of a peptide or polypeptide.
    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:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
    GO:0004181    metallocarboxypeptidase activity    Catalysis of the hydrolysis of C-terminal amino acid residues from a polypeptide chain by a mechanism in which water acts as a nucleophile, one or two metal ions hold the water molecule in place, and charged amino acid side chains are ligands for the metal ions.
    GO:0008270    zinc ion binding    Interacting selectively and non-covalently with zinc (Zn) ions.
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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