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(-) Description

Title :  STRUCTURE OF A FAMILY 4 CARBOHYDRATE ESTERASE FROM BACILLUS ANTHRACIS
 
Authors :  T. M. Gloster, L. Oberbarnscheidt, E. J. Taylor, G. J. Davies
Date :  08 Aug 06  (Deposition) - 03 Oct 06  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.70
Chains :  Asym./Biol. Unit :  A
Keywords :  Family 4, Peptidoglycan, Bacillus Anthracis, Hydrolase, Bacterial Cell Wall, Carbohydrate Esterase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  L. Oberbarnscheidt, E. J. Taylor, G. J. Davies, T. M. Gloster
Structure Of A Carbohydrate Esterase From Bacillus Anthracis.
Proteins: Struct. , Funct. , V. 66 250 2007 Bioinf.
PubMed-ID: 17063474  |  Reference-DOI: 10.1002/PROT.21217

(-) Compounds

Molecule 1 - POLYSACCHARIDE DEACETYLASE
    Chains: A
    EC Number: 3.5.1.-
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Strain: BL21
    Expression System Taxid: 511693
    Organism Scientific: BACILLUS ANTHRACIS
    Organism Taxid: 198094
    Strain: AMES
    Synonym: CARBOHYDRATE ESTERASE

 Structural Features

(-) Chains, Units

  1
Asymmetric/Biological Unit : A

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (3, 7)

Asymmetric/Biological Unit (3, 7)
No.NameCountTypeFull Name
1ACT2Ligand/IonACETATE ION
2CAC1Ligand/IonCACODYLATE ION
3ZN4Ligand/IonZINC ION

(-) Sites  (7, 7)

Asymmetric Unit (7, 7)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREHIS A:103 , HIS A:107 , ACT A:1240 , CAC A:1242BINDING SITE FOR RESIDUE ZN A1236
2AC2SOFTWAREHIS A:201 , GLU A:220 , ACT A:1241 , HOH A:2173BINDING SITE FOR RESIDUE ZN A1237
3AC3SOFTWAREASP A:46 , HIS A:224 , HOH A:2174 , HOH A:2175BINDING SITE FOR RESIDUE ZN A1238
4AC4SOFTWAREHIS A:81 , HOH A:2176 , HOH A:2177 , HOH A:2178BINDING SITE FOR RESIDUE ZN A1239
5AC5SOFTWAREASP A:52 , GLY A:54 , HIS A:103 , HIS A:107 , ZN A:1236 , CAC A:1242 , HOH A:2158BINDING SITE FOR RESIDUE ACT A1240
6AC6SOFTWARELEU A:199 , HIS A:201 , GLU A:220 , ZN A:1237 , CAC A:1242 , HOH A:2173 , HOH A:2179BINDING SITE FOR RESIDUE ACT A1241
7AC7SOFTWAREASP A:52 , HIS A:103 , HIS A:107 , ARG A:145 , TRP A:166 , GLU A:220 , ZN A:1236 , ACT A:1240 , ACT A:1241 , HOH A:2173BINDING SITE FOR RESIDUE CAC A1242

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 2J13)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 2J13)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 2J13)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 2J13)

(-) Exons   (0, 0)

(no "Exon" information available for 2J13)

(-) 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:207
 aligned with Q81Z49_BACAN | Q81Z49 from UniProtKB/TrEMBL  Length:260

    Alignment length:235
                                    33        43        53        63        73        83        93       103       113       123       133       143       153       163       173       183       193       203       213       223       233       243       253     
         Q81Z49_BACAN    24 LAYTNTPHNWGIPRPKNETVPDAGKLYTDLLQKNGGFYLGDTKKKDIYLTFDNGYENGYTGKILDVLKEKKVPATFFVTGHYIKTQKDLLLRMKDEGHIIGNHSWSHPDFTAVNDEKLREELTSVTEEIKKVTGQKEVKYVRPPRGVFSERTLALTKEMGYYNVFWSLAFLDWKVDEQRGWQYAHNNVMTMIHPGSILLLHAISKDNAEALAKIIDDLREKGYHFKSLDDLVKSN 258
               SCOP domains d2j13a1 A:1-          235 Putative polysaccharide deacetylase BA0424                                                                                                                                                                        SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .......ee...----------.hhhhhhhhhhh.ee........eeeeeeee.....hhhhhhhhhhhhh..eeeeehhhhhhhhhhhhhhhhhh..eeee......hhhhhhhhhhhhhhhhhhhhhhhhhh.....ee.hhh.eehhhhhhhhhhh..eee.........------------------.....eeee.....hhhhhhhhhhhhhhhh..eeehhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2j13 A   1 MAYTNTPHNWGI----------AGKLYTDLLQKNGGFYLGDTKKKDIYLTFDNGYENGYTGKILDVLKEKKVPATFFVTGHYIKTQKDLLLRMKDEGHIIGNHSWSHPDFTAVNDEKLREELTSVTEEIKKVTGQKEVKYVRPPRGVFSERTLALTKEMGYYNVFWSLAFLDW------------------IHPGSILLLHAISKDNAEALAKIIDDLREKGYHFKSLDDLVKSN 235
                                    10 |       -  |     30        40        50        60        70        80        90       100       110       120       130       140       150       160       170  |      -         - |     200       210       220       230     
                                      12         23                                                                                                                                                   173                192
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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: Alpha and beta proteins (a/b) (23833)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 2J13)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 2J13)

(-) Gene Ontology  (4, 4)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (Q81Z49_BACAN | Q81Z49)
molecular function
    GO:0003824    catalytic activity    Catalysis of a biochemical reaction at physiological temperatures. In biologically catalyzed reactions, the reactants are known as substrates, and the catalysts are naturally occurring macromolecular substances known as enzymes. Enzymes possess specific binding sites for substrates, and are usually composed wholly or largely of protein, but RNA that has catalytic activity (ribozyme) is often also regarded as enzymatic.
    GO:0019213    deacetylase activity    Catalysis of the hydrolysis of an acetyl group or groups from a substrate molecule.
    GO:0016810    hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds    Catalysis of the hydrolysis of any carbon-nitrogen bond, C-N, with the exception of peptide bonds.
biological process
    GO:0005975    carbohydrate metabolic process    The chemical reactions and pathways involving carbohydrates, any of a group of organic compounds based of the general formula Cx(H2O)y. Includes the formation of carbohydrate derivatives by the addition of a carbohydrate residue to another molecule.

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