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(-) Description

Title :  THE STRUCTURE OF A GROUP A STREPTOCOCCAL PHAGE-ENCODED TAIL-FIBRE SHOWING HYALURONAN LYASE ACTIVITY.
 
Authors :  E. J. Taylor, N. L. Smith, A. -M. Linsay, S. J. Charnock, J. P. Turkenburg, E. J. Dodson, G. J. Davies, G. W. Black
Date :  06 Oct 05  (Deposition) - 29 Nov 05  (Release) - 21 Apr 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.81
Chains :  Asym. Unit :  A
Biol. Unit 1:  A  (3x)
Keywords :  Lyase, Hyaluronan Lyase, Phage Tail Fibre, Triple-Stranded Beta- Helix, Hyaluronidase, Scarlet Fever (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  N. L. Smith, E. J. Taylor, A. -M. Linsay, S. J. Charnock, J. P. Turkenburg, E. J. Dodson, G. J. Davies, G. W. Black
Structure Of A Group A Streptococcal Phage-Encoded Virulence Factor Reveals Catalytically Active Triple-Stranded Beta-Helix
Proc. Natl. Acad. Sci. Usa V. 102 17652 2005
PubMed-ID: 16314578  |  Reference-DOI: 10.1073/PNAS.0504782102

(-) Compounds

Molecule 1 - HYALURONIDASE, PHAGE ASSOCIATED
    Atcc: 700294
    Chains: A
    EC Number: 4.2.2.1
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PET-28A
    Expression System Strain: B834-BL21
    Expression System Taxid: 511693
    Organism Scientific: STREPTOCOCCUS PYOGENES
    Organism Taxid: 1314
    Strain: M1 GAS SF370
    Synonym: HYLP1

 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, 2)

Asymmetric Unit (1, 2)
No.NameCountTypeFull Name
1NA2Ligand/IonSODIUM ION
Biological Unit 1 (0, 0)
No.NameCountTypeFull Name
1NA-1Ligand/IonSODIUM ION

(-) Sites  (2, 2)

Asymmetric Unit (2, 2)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREASP A:36 , SER A:282 , ASP A:283 , HOH A:2042 , HOH A:2046 , HOH A:2223BINDING SITE FOR RESIDUE NA A1337
2AC2SOFTWARETHR A:272 , HOH A:2021 , HOH A:2062 , HOH A:2066 , HOH A:2067 , HOH A:2232BINDING SITE FOR RESIDUE NA A1338

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 2C3F)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 2C3F)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 2C3F)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 2C3F)

(-) Exons   (0, 0)

(no "Exon" information available for 2C3F)

(-) 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:322
 aligned with Q9A0M7_STRP1 | Q9A0M7 from UniProtKB/TrEMBL  Length:337

    Alignment length:330
                                    16        26        36        46        56        66        76        86        96       106       116       126       136       146       156       166       176       186       196       206       216       226       236       246       256       266       276       286       296       306       316       326       336
         Q9A0M7_STRP1     7 LRVQFKRMKAAEWARSDVILLESEIGFETDTGFARAGDGHNRFSDLGYISPLDYNLLTNKPNIDGLATKVETAQKLQQKADKETVYTKAESKQELDKKLNLKGGVMTGQLKFKPAATVAYSSSTGGAVNIDLSSTRGAGVVVYSDNDTSDGPLMSLRTGKETFNQSALFVDYKGTTNAVNIAMRQPTTPNFSSALNITSGNENGSAMQLRGSEKALGTLKITHENPSIGADYDKNAAALSIDIVKKTNGAGTAAQGIYINSTSGTTGKLLRIRNLSDDKFYVKSDGGFYAKETSQIDGNLKLKDPTANDHAATKAYVDKAISELKKLILK 336
               SCOP domains d2c3fa1 A:7-336 Phage-associated hyaluronidase, HylP1                                                                                                                                                                                                                                                                                      SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author .....eeehhhhhhhh........eeee.....eee.....hhhhh......hhhhh....hhhhh.hhhhhhhhhhh..hhhhh.hhhhhhhhhh...................--------..................................................................................................................................................eeeee..eeeeee.....eee......................hhhhhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 2c3f A   7 LRVQFKRMKAAEWARSDVILLESEIGFETDTGFARAGDGHNRFSDLGYISPLDYNLLTNKPNIDGLATKVETAQKLQQKADKETVYTKAESKQELDKKLNLKGGVMTGQLKFKPA--------TGGAVNIDLSSTRGAGVVVYSDNDTSDGPLMSLRTGKETFNQSALFVDYKGTTNAVNIAMRQPTTPNFSSALNITSGNENGSAMQLRGSEKALGTLKITHENPSIGADYDKNAAALSIDIVKKTNGAGTAAQGIYINSTSGTTGKLLRIRNLSDDKFYVKSDGGFYAKETSQIDGNLKLKDPTANDHAATKAYVDKAISELKKLILK 336
                                    16        26        36        46        56        66        76        86        96       106       116    |    -   |   136       146       156       166       176       186       196       206       216       226       236       246       256       266       276       286       296       306       316       326       336
                                                                                                                                            121      130
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  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 2C3F)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 2C3F)

(-) Gene Ontology  (2, 2)

Asymmetric Unit(hide GO term definitions)
Chain A   (Q9A0M7_STRP1 | Q9A0M7)
molecular function
    GO:0004415    hyalurononglucosaminidase activity    Catalysis of the random hydrolysis of (1->4) linkages between N-acetyl-beta-D-glucosamine and D-glucuronate residues in hyaluronate.
biological process
    GO:0045227    capsule polysaccharide biosynthetic process    The chemical reactions and pathways resulting in the formation of polysaccharides that make up the capsule, a protective structure surrounding some species of bacteria and fungi.

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        Q9A0M7_STRP1 | Q9A0M7: 2dp5 2yvv 2yw0 2yx2 3eka

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