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(-) Description

Title :  STREPTOMYCES PLICATUS BETA-N-ACETYLHEXOSAMINIDASE COMPLEXED WITH INTERMEDIATE ANALOUGE NAG-THIAZOLINE
 
Authors :  B. L. Mark
Date :  12 Dec 00  (Deposition) - 04 Apr 01  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.10
Chains :  Asym. Unit :  A
Biol. Unit 1:  A  (1x)
Biol. Unit 2:  A  (2x)
Keywords :  Glycosyl Hydrolase, Streptomyces Plicatus, Hexosaminidase, Family 20, Substrate Assisted Catalysis, Tim Barrel, Hydrolase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  B. L. Mark, D. J. Vocadlo, S. Knapp, B. L. Triggs-Raine, S. G. Withers, M. N. James
Crystallographic Evidence For Substrate-Assisted Catalysis In A Bacterial Beta-Hexosaminidase.
J. Biol. Chem. V. 276 10330 2001
PubMed-ID: 11124970  |  Reference-DOI: 10.1074/JBC.M011067200
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - BETA-N-ACETYLHEXOSAMINIDASE
    Chains: A
    EC Number: 3.2.1.52
    Engineered: YES
    Expression System: ESCHERICHIA COLI BL21(DE3)
    Expression System Plasmid: PET3A(P3AHEX-1.8)
    Expression System Strain: BL21(DE3)
    Expression System Taxid: 469008
    Expression System Vector Type: PLASMID
    Organism Scientific: STREPTOMYCES PLICATUS
    Organism Taxid: 1922

 Structural Features

(-) Chains, Units

  1
Asymmetric Unit : A
Biological Unit 1 (1x): A
Biological Unit 2 (2x): A

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (4, 7)

Asymmetric Unit (4, 7)
No.NameCountTypeFull Name
1CL3Ligand/IonCHLORIDE ION
2GOL2Ligand/IonGLYCEROL
3NGT1Ligand/Ion3AR,5R,6S,7R,7AR-5-HYDROXYMETHYL-2-METHYL-5,6,7,7A-TETRAHYDRO-3AH-PYRANO[3,2-D]THIAZOLE-6,7-DIOL
4SO41Ligand/IonSULFATE ION
Biological Unit 1 (3, 4)
No.NameCountTypeFull Name
1CL-1Ligand/IonCHLORIDE ION
2GOL2Ligand/IonGLYCEROL
3NGT1Ligand/Ion3AR,5R,6S,7R,7AR-5-HYDROXYMETHYL-2-METHYL-5,6,7,7A-TETRAHYDRO-3AH-PYRANO[3,2-D]THIAZOLE-6,7-DIOL
4SO41Ligand/IonSULFATE ION
Biological Unit 2 (3, 8)
No.NameCountTypeFull Name
1CL-1Ligand/IonCHLORIDE ION
2GOL4Ligand/IonGLYCEROL
3NGT2Ligand/Ion3AR,5R,6S,7R,7AR-5-HYDROXYMETHYL-2-METHYL-5,6,7,7A-TETRAHYDRO-3AH-PYRANO[3,2-D]THIAZOLE-6,7-DIOL
4SO42Ligand/IonSULFATE ION

(-) Sites  (7, 7)

Asymmetric Unit (7, 7)
No.NameEvidenceResiduesDescription
1AC1SOFTWARETYR A:271 , LEU A:406 , SER A:407 , TRP A:408 , HOH A:539BINDING SITE FOR RESIDUE CL A 507
2AC2SOFTWAREARG A:176 , ARG A:179 , HOH A:588BINDING SITE FOR RESIDUE CL A 508
3AC3SOFTWARELYS A:275 , VAL A:276BINDING SITE FOR RESIDUE CL A 509
4AC4SOFTWAREARG A:150 , ALA A:423 , HOH A:622BINDING SITE FOR RESIDUE SO4 A 510
5AC5SOFTWAREARG A:162 , HIS A:250 , ASP A:313 , GLU A:314 , TRP A:344 , TRP A:361 , TYR A:393 , ASP A:395 , LEU A:406 , TRP A:408 , TRP A:442 , GLU A:444 , GOL A:512 , HOH A:520BINDING SITE FOR RESIDUE NGT A 511
6AC6SOFTWARELYS A:275 , VAL A:276 , GLU A:314 , TRP A:408 , NGT A:511 , GOL A:513BINDING SITE FOR RESIDUE GOL A 512
7AC7SOFTWARESER A:317 , HIS A:345 , GLN A:346 , TRP A:361 , GLU A:370 , TRP A:408 , GOL A:512 , HOH A:610 , HOH A:640 , HOH A:673 , HOH A:728BINDING SITE FOR RESIDUE GOL A 513

(-) SS Bonds  (1, 1)

Asymmetric Unit
No.Residues
1A:263 -A:282

(-) Cis Peptide Bonds  (4, 4)

Asymmetric Unit
No.Residues
1Ile A:22 -Pro A:23
2Gly A:136 -Pro A:137
3Met A:247 -Pro A:248
4Phe A:457 -Pro A:458

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1HP5)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 1HP5)

(-) Exons   (0, 0)

(no "Exon" information available for 1HP5)

(-) 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:499
 aligned with O85361_STRPL | O85361 from UniProtKB/TrEMBL  Length:506

    Alignment length:499
                                    17        27        37        47        57        67        77        87        97       107       117       127       137       147       157       167       177       187       197       207       217       227       237       247       257       267       277       287       297       307       317       327       337       347       357       367       377       387       397       407       417       427       437       447       457       467       477       487       497         
         O85361_STRPL     8 DRKAPVRPTPLDRVIPAPASVDPGGAPYRITRGTHIRVDDSREARRVGDYLADLLRPATGYRLPVTAHGHGGIRLRLAGGPYGDEGYRLDSGPAGVTITARKAAGLFHGVQTLRQLLPPAVEKDSAQPGPWLVAGGTIEDTPRYAWRSAMLDVSRHFFGVDEVKRYIDRVARYKYNKLHLHLSDDQGWRIAIDSWPRLATYGGSTEVGGGPGGYYTKAEYKEIVRYAASRHLEVVPEIDMPGHTNAALASYAELNCDGVAPPLYTGTKVGFSSLCVDKDVTYDFVDDVIGELAALTPGRYLHIGGDEAHSTPKADFVAFMKRVQPIVAKYGKTVVGWHQLAGAEPVEGALVQYWGLDRTGDAEKAEVAEAARNGTGLILSPADRTYLDMKYTKDTPLGLSWAGYVEVQRSYDWDPAGYLPGAPADAVRGVEAPLWTETLSDPDQLDYMAFPRLPGVAELGWSPASTHDWDTYKVRLAAQAPYWEAAGIDFYRSPQVPWT 506
               SCOP domains d1hp5a2 A:8-150 beta-N-acetylhexosaminidase, N-terminal domain                                                                                 d1hp5a1 A:151-506 beta-N-acetylhexosaminidase                                                                                                                                                                                                                                                                                                                        SCOP domains
               CATH domains 1hp5A02 A:8-148 Chitobiase, domain 2                                                                                                         -1hp5A01 A:150-470 Glycosidases                                                                                                                                                                                                                                                                                                   ------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...................eeee....eee.....ee...hhhhhhhhhhhhhhhhhhhh....ee......eeeee.........eeeeee..eeeeee.hhhhhhhhhhhhhhhhhhhhhh.......eee..eeeee.....eeeeeee......hhhhhhhhhhhhhh....eeeee..............hhhhhh..............hhhhhhhhhhhhhhh..eeeee......hhhhhhhhhhhh......................hhhhhhhhhhhhhhhhhh....eee.........hhhhhhhhhhhhhhhhhhh..eeeee.hhhhh......eeee......hhhhhhhhhhhhhh..eeee..........................hhhhhhh.hhhhh....hhh.eeeeeeee......hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh............ Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1hp5 A   8 DRKAPVRPTPLDRVIPAPASVDPGGAPYRITRGTHIRVDDSREARRVGDYLADLLRPATGYRLPVTAHGHGGIRLRLAGGPYGDEGYRLDSGPAGVTITARKAAGLFHGVQTLRQLLPPAVEKDSAQPGPWLVAGGTIEDTPRYAWRSAMLDVSRHFFGVDEVKRYIDRVARYKYNKLHLHLSDDQGWRIAIDSWPRLATYGGSTEVGGGPGGYYTKAEYKEIVRYAASRHLEVVPEIDMPGHTNAALASYAELNCDGVAPPLYTGTKVGFSSLCVDKDVTYDFVDDVIGELAALTPGRYLHIGGDEAHSTPKADFVAFMKRVQPIVAKYGKTVVGWHQLAGAEPVEGALVQYWGLDRTGDAEKAEVAEAARNGTGLILSPADRTYLDMKYTKDTPLGLSWAGYVEVQRSYDWDPAGYLPGAPADAVRGVEAPLWTETLSDPDQLDYMAFPRLPGVAELGWSPASTHDWDTYKVRLAAQAPYWEAAGIDFYRSPQVPWT 506
                                    17        27        37        47        57        67        77        87        97       107       117       127       137       147       157       167       177       187       197       207       217       227       237       247       257       267       277       287       297       307       317       327       337       347       357       367       377       387       397       407       417       427       437       447       457       467       477       487       497
   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  (2, 2)

Asymmetric Unit
(-)
Class: Alpha and beta proteins (a+b) (23004)
(-)
Class: Alpha and beta proteins (a/b) (23833)

(-) CATH Domains  (2, 2)

Asymmetric Unit
(-)
Class: Alpha Beta (26913)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1HP5)

(-) Gene Ontology  (3, 3)

Asymmetric Unit(hide GO term definitions)
Chain A   (O85361_STRPL | O85361)
molecular function
    GO:0004563    beta-N-acetylhexosaminidase activity    Catalysis of the hydrolysis of terminal non-reducing N-acetyl-D-hexosamine residues in N-acetyl-beta-D-hexosaminides.
    GO:0004553    hydrolase activity, hydrolyzing O-glycosyl compounds    Catalysis of the hydrolysis of any O-glycosyl bond.
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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 Related Entries

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

UniProtKB/TrEMBL
        O85361_STRPL | O85361: 1hp4 1jak 1m01 1m03 1m04 5fcz 5fd0

(-) Related Entries Specified in the PDB File

1hp4 1HP4 IS NATIVE STREPTOMYCES PLICATUS BETA-N- ACETYLHEXOSAMINIDASE