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(-) Description

Title :  DIISOPROPYL FLUOROPHOSPHATASE (DFPASE), N120D,N175D,D229N MUTANT
 
Authors :  J. C. -H. Chen
Date :  24 Jan 10  (Deposition) - 07 Apr 10  (Release) - 18 Aug 10  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.35
Chains :  Asym./Biol. Unit :  A
Keywords :  Beta Propeller, Calcium Binding, Phosphotriesterase, Hydrolase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  M. M. Blum, J. C. Chen
Structural Characterization Of The Catalytic Calcium-Bindin Site In Diisopropyl Fluorophosphatase (Dfpase)-Comparison With Related Beta-Propeller Enzymes.
Chem. Biol. Interact V. 187 373 2010
PubMed-ID: 20206152  |  Reference-DOI: 10.1016/J.CBI.2010.02.043

(-) Compounds

Molecule 1 - DIISOPROPYL-FLUOROPHOSPHATASE
    Chains: A
    EC Number: 3.1.8.2
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Taxid: 562
    Mutation: YES
    Organism Common: COMMON EUROPEAN SQUID
    Organism Scientific: LOLIGO VULGARIS
    Organism Taxid: 6622
    Synonym: DFPASE

 Structural Features

(-) Chains, Units

  1
Asymmetric/Biological Unit : A

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 2)

Asymmetric/Biological Unit (1, 2)
No.NameCountTypeFull Name
1CA2Ligand/IonCALCIUM ION

(-) Sites  (2, 2)

Asymmetric Unit (2, 2)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREASP A:232 , LEU A:273 , HIS A:274 , HOH A:320 , HOH A:321 , HOH A:323BINDING SITE FOR RESIDUE CA A 315
2AC2SOFTWAREGLU A:21 , ASP A:120 , ASP A:175 , ASN A:229 , HOH A:324 , HOH A:327 , HOH A:330BINDING SITE FOR RESIDUE CA A 316

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 3LI4)

(-) Cis Peptide Bonds  (1, 1)

Asymmetric/Biological Unit
No.Residues
1Ala A:140 -Pro A:141

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 3LI4)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 3LI4)

(-) Exons   (0, 0)

(no "Exon" information available for 3LI4)

(-) 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:312
 aligned with DFPA_LOLVU | Q7SIG4 from UniProtKB/Swiss-Prot  Length:314

    Alignment length:312
                                    12        22        32        42        52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202       212       222       232       242       252       262       272       282       292       302       312  
           DFPA_LOLVU     3 IPVIEPLFTKVTEDIPGAEGPVFDKNGDFYIVAPEVEVNGKPAGEILRIDLKTGKKTVICKPEVNGYGGIPAGCQCDRDANQLFVADMRLGLLVVQTDGTFEEIAKKDSEGRRMQGCNDCAFDYEGNLWITAPAGEVAPADYTRSMQEKFGSIYCFTTDGQMIQVDTAFQFPNGIAVRHMNDGRPYQLIVAETPTKKLWSYDIKGPAKIENKKVWGHIPGTHEGGADGMDFDEDNNLLVANWGSSHIEVFGPDGGQPKMRIRCPFEKPSNLHFKPQTKTIFVTEHENNAVWKFEWQRNGKKQYCETLKFGIF 314
               SCOP domains d3li4a_ A: Diisopropylfluorophosphatase (phosphotriesterase, DFP)                                                                                                                                                                                                                                                        SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ----------------SGL-3li4A01 A:19-302                                                                                                                                                                                                                                                                        ------------ Pfam domains
         Sec.struct. author ..ee....eeee......eeeee.....eeeee...ee..ee..eeeee......eeeee..ee..ee..eeeeee.....eeeeee...eeeeee....eee...............eeee.....eeeee..................eeeeee.....eeeeeeee..eeeeeeee.....eeeeeeee....eeeeeeeee..eeeeeeeeee.......eeeeeee.....eeeeee...eeeee........eeee.....eeeeee.....eeeeee....eeeeee.......hhhhh...... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 3li4 A   3 IPVIEPLFTKVTEDIPGAEGPVFDKNGDFYIVAPEVEVNGKPAGEILRIDLKTGKKTVICKPEVNGYGGIPAGCQCDRDANQLFVADMRLGLLVVQTDGTFEEIAKKDSEGRRMQGCDDCAFDYEGNLWITAPAGEVAPADYTRSMQEKFGSIYCFTTDGQMIQVDTAFQFPDGIAVRHMNDGRPYQLIVAETPTKKLWSYDIKGPAKIENKKVWGHIPGTHEGGANGMDFDEDNNLLVANWGSSHIEVFGPDGGQPKMRIRCPFEKPSNLHFKPQTKTIFVTEHENNAVWKFEWQRNGKKQYCETLKFGIF 314
                                    12        22        32        42        52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202       212       222       232       242       252       262       272       282       292       302       312
   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 3LI4)

(-) Pfam Domains  (1, 1)

Asymmetric/Biological Unit
(-)
Clan: Beta_propeller (192)

(-) Gene Ontology  (5, 5)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (DFPA_LOLVU | Q7SIG4)
molecular function
    GO:0005509    calcium ion binding    Interacting selectively and non-covalently with calcium ions (Ca2+).
    GO:0047862    diisopropyl-fluorophosphatase activity    Catalysis of the reaction: diisopropyl fluorophosphate + H(2)O = diisopropyl phosphate + 2 H(+) + hydrogen fluoride.
    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.
biological process
    GO:0008150    biological_process    Any process specifically pertinent to the functioning of integrated living units: cells, tissues, organs, and organisms. A process is a collection of molecular events with a defined beginning and end.

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  3.1.8.2
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 Related Entries

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

UniProtKB/Swiss-Prot
        DFPA_LOLVU | Q7SIG4: 1e1a 1pjx 2gvu 2gvv 2gvw 2gvx 2iao 2iap 2iaq 2iar 2ias 2iat 2iau 2iav 2iaw 2iax 3byc 3hlh 3hli 3i1c 3kgg 3li3 3li5 3o4p 3u0s 4o5s 4o5t

(-) Related Entries Specified in the PDB File

3li3 DIISOPROPYL FLUOROPHOSPHATASE (DFPASE), D121E MUTANT
3li5 DIISOPROPYL FLUOROPHOSPHATASE (DFPASE), E21Q,N120D,N175D, D229N MUTANT