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(-) Description

Title :  CRYSTAL STRUCTURE OF THE GAMMA-CARBONIC ANHYDRASE W19N MUTANT FROM METHANOSARCINA THERMOPHILA
 
Authors :  J. F. Domsic, A. H. Robbins, R. Mckenna
Date :  15 Sep 10  (Deposition) - 26 Oct 11  (Release) - 26 Oct 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.65
Chains :  Asym. Unit :  A
Biol. Unit 1:  A  (3x)
Keywords :  Lyase, Left-Handed Beta Helix, Ligands To Zinc, Trimer (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  J. F. Domsic, A. H. Robbins, R. Mckenna
Crystal Structure Of The Gamma-Carbonic Anhydrase W19N Mutant From Methanosarcina Thermophila
To Be Published
PubMed: search

(-) Compounds

Molecule 1 - CARBONIC ANHYDRASE
    Chains: A
    EC Number: 4.2.1.1
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Taxid: 562
    Fragment: UNP RESIDUES 35-247
    Mutation: YES
    Organism Scientific: METHANOSARCINA THERMOPHILA
    Organism Taxid: 2210
    Synonym: GAMMA-CARBONIC ANHYDRASE

 Structural Features

(-) Chains, Units

  1
Asymmetric Unit : A
Biological Unit 1 (3x): A

Summary Information (see also Sequences/Alignments below)

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

Asymmetric Unit (1, 1)
No.NameCountTypeFull Name
1ZN1Ligand/IonZINC ION
Biological Unit 1 (0, 0)
No.NameCountTypeFull Name
1ZN-1Ligand/IonZINC ION

(-) Sites  (1, 1)

Asymmetric Unit (1, 1)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREHIS A:81 , HIS A:117 , HIS A:122 , HOH A:215BINDING SITE FOR RESIDUE ZN A 214

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 3OUP)

(-) Cis Peptide Bonds  (1, 1)

Asymmetric Unit
No.Residues
1Gly A:123 -Pro A:124

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 3OUP)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 3OUP)

(-) Exons   (0, 0)

(no "Exon" information available for 3OUP)

(-) 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:205
 aligned with CAH_METTE | P40881 from UniProtKB/Swiss-Prot  Length:247

    Alignment length:205
                                    52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202       212       222       232       242     
            CAH_METTE    43 SNIRENPVTPWNPEPSAPVIDPTAYIDPQASVIGEVTIGANVMVSPMASIRSDEGMPIFVGDRSNVQDGVVLHALETINEEGEPIEDNIVEVDGKEYAVYIGNNVSLAHQSQVHGPAAVGDDTFIGMQAFVFKSKVGNNCVLEPRSAAIGVTIPDGRYIPAGMVVTSQAEADKLPEVTDDYAYSHTNEAVVYVNVHLAEGYKETS 247
               SCOP domains d3oupa_ A: gamma-carbonic anhydrase                                                                                                                                                                           SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..ee..............ee....ee....eeee.eee....ee....eeee.....eee....ee....eeee..........hhhhheee..eee.eee....ee....eeeeeeee....ee....eeeeeee....ee....eee..ee....ee....ee.hhhhhhh...........hhhhhhhhhhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3oup A   9 SNIRENPVTPNNPEPSAPVIDPTAYIDPQASVIGEVTIGANVMVSPMASIRSDEGMPIFVGDRSNVQDGVVLHALETINEEGEPIEDNIVEVDGKEYAVYIGNNVSLAHQSQVHGPAAVGDDTFIGMQAFVFKSKVGNNCVLEPRSAAIGVTIPDGRYIPAGMVVTSQAEADKLPEVTDDYAYSHTNEAVVYVNVHLAEGYKETS 213
                                    18        28        38        48        58        68        78        88        98       108       118       128       138       148       158       168       178       188       198       208
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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 Unit
(-)
Class: All beta proteins (24004)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 3OUP)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 3OUP)

(-) Gene Ontology  (3, 3)

Asymmetric Unit(hide GO term definitions)
Chain A   (CAH_METTE | P40881)
molecular function
    GO:0004089    carbonate dehydratase activity    Catalysis of the reaction: H2CO3 = CO2 + H2O.
    GO:0016829    lyase activity    Catalysis of the cleavage of C-C, C-O, C-N and other bonds by other means than by hydrolysis or oxidation, or conversely adding a group to a double bond. They differ from other enzymes in that two substrates are involved in one reaction direction, but only one in the other direction. When acting on the single substrate, a molecule is eliminated and this generates either a new double bond or a new ring.
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.

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 Related Entries

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

UniProtKB/Swiss-Prot
        CAH_METTE | P40881: 1qq0 1qre 1qrf 1qrg 1qrl 1qrm 1thj 3otm 3otz 3ou9 3ow5

(-) Related Entries Specified in the PDB File

3otm SAME PROTEIN AS WILD-TYPE
3otz SAME PROTEIN WITH W19A MUTATION
3ou9 SAME PROTEIN WITH W19F MUTATION