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(-) Description

Title :  XRAY STRUCTURE OF ALPHA-2,3/8-SIALYLTRANSFERASE CSTII F91Y MUTANT
 
Authors :  C. P. C. Chiu, N. C. J. Strynadka
Date :  09 Jun 06  (Deposition) - 24 Apr 07  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.25
Chains :  Asym. Unit :  A
Biol. Unit 1:  A  (4x)
Keywords :  Mixed Alpha/Beta, Transferase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  A. Aharoni, K. Thieme, C. P. C. Chiu, S. Buchini, L. L. Lairson, H. Chen, N. C. J. Strynadka, W. W. Wakarchuk, S. G. Withers
High-Throughput Screening Methodology For The Directed Evolution Of Glycosyltransferases
Nat. Methods V. 3 609 2006
PubMed-ID: 16862130  |  Reference-DOI: 10.1038/NMETH899
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - ALPHA-2,3/8-SIALYLTRANSFERASE
    Chains: A
    EC Number: 2.4.99.-
    Engineered: YES
    Expression System: ESCHERICHIA COLI BL21(DE3)
    Expression System Plasmid: PET
    Expression System Strain: BL21 DE3
    Expression System Taxid: 469008
    Expression System Vector Type: PLASMID
    Fragment: SIALYLTRANSFERASE RESIDUES 1-259
    Mutation: YES
    Organism Scientific: CAMPYLOBACTER JEJUNI
    Organism Taxid: 197
    Synonym: ALPHA-2,3-/2,8-SIALYLTRANSFERASE

 Structural Features

(-) Chains, Units

  1
Asymmetric Unit : A
Biological Unit 1 (4x): A

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (2, 3)

Asymmetric Unit (2, 3)
No.NameCountTypeFull Name
1CSF1Ligand/IonCYTIDINE-5'-MONOPHOSPHATE-3-FLUORO-N-ACETYL-NEURAMINIC ACID
2IPA2Ligand/IonISOPROPYL ALCOHOL
Biological Unit 1 (2, 12)
No.NameCountTypeFull Name
1CSF4Ligand/IonCYTIDINE-5'-MONOPHOSPHATE-3-FLUORO-N-ACETYL-NEURAMINIC ACID
2IPA8Ligand/IonISOPROPYL ALCOHOL

(-) Sites  (3, 3)

Asymmetric Unit (3, 3)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREGLY A:8 , ASN A:9 , GLY A:10 , CYS A:30 , ASN A:31 , GLN A:32 , ASN A:51 , THR A:131 , SER A:132 , GLY A:152 , ILE A:153 , ASP A:154 , TYR A:156 , ASN A:177 , HOH A:2052 , HOH A:2084BINDING SITE FOR RESIDUE CSF A 1001
2AC2SOFTWAREPRO A:52 , TYR A:91 , VAL A:92BINDING SITE FOR RESIDUE IPA A 2001
3AC3SOFTWAREPHE A:126 , ASN A:230 , ILE A:232BINDING SITE FOR RESIDUE IPA A 2002

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (1, 1)

Asymmetric Unit
No.Residues
1Phe A:155 -Tyr A:156

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (0, 0)

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

(-) Exons   (0, 0)

(no "Exon" information available for 2DRJ)

(-) 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:233
 aligned with Q9LAK3_CAMJU | Q9LAK3 from UniProtKB/TrEMBL  Length:291

    Alignment length:254
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251    
         Q9LAK3_CAMJU     2 KKVIIAGNGPSLKEIDYSRLPNDFDVFRCNQFYFEDKYYLGKKCKAVFYNPILFFEQYYTLKHLIQNQEYETELIMCSNYNQAHLENENFVKTFYDYFPDAHLGYDFFKQLKDFNAYFKFHEIYFNQRITSGVYMCAVAIALGYKEIYLSGIDFYQNGSSYAFDTKQKNLLKLAPNFKNDNSHYIGHSKNTDIKALEFLEKTYKIKLYCLCPNSLLANFIELAPNLNSNFIIQEKNNYTKDILIPSSEAYGKFS 255
               SCOP domains d2drja_ A: Alpha-2,3/8-sialyltransferase CstII                                                                                                                                                                                                                 SCOP domains
               CATH domains 2drjA00 A:2-255 sialyltransferase cstii, chain A                                                                                                                                                                                                               CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeee..hhhhhhhhhhhh....eeeee.hhhhh.......eeeeeeehhhhhhhhhhhhhhhhhh...eeeeeee.........hhhhhhhhhhhh...eehhhhhh.hhhhhhhhhhhhhhhh...hhhhhhhhhhhhh...eeeee.....---------..hhhhhhhh..------------hhhhhhhhhhhhhhhh.eeee.....hhhhhh.........................hhhhhhhhh Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2drj A   2 KKVIIAGNGPSLKEIDYSRLPNDFDVFRCNQFYFEDKYYLGKKCKAVFYNPSLFFEQYYTLKHLIQNQEYETELIMCSNYNQAHLENENYVKTFYDYFPDAHLGYDFFKQLKDFNAYFKFHEIYFNQRITSGVYMCAVAIALGYKEIYLSGIDFY---------TKQKNLLKLAPN------------KNTDIKALEFLEKTYKIKLYCLCPNSLLANFIGLAPNLNSNFIIQEKNNYTKDILIPSSEAYGKFS 255
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151    |    -    |  171     |   -       191       201       211       221       231       241       251    
                                                                                                                                                                                    156       166        177          190
   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 Unit
(-)
Class: Alpha and beta proteins (a/b) (23833)

(-) CATH Domains  (1, 1)

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

(-) Pfam Domains  (0, 0)

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

(-) Gene Ontology  (2, 2)

Asymmetric Unit(hide GO term definitions)
Chain A   (Q9LAK3_CAMJU | Q9LAK3)
molecular function
    GO:0016740    transferase activity    Catalysis of the transfer of a group, e.g. a methyl group, glycosyl group, acyl group, phosphorus-containing, or other groups, from one compound (generally regarded as the donor) to another compound (generally regarded as the acceptor). Transferase is the systematic name for any enzyme of EC class 2.
    GO:0016757    transferase activity, transferring glycosyl groups    Catalysis of the transfer of a glycosyl group from one compound (donor) to another (acceptor).

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 Related Entries

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

UniProtKB/TrEMBL
        Q9LAK3_CAMJU | Q9LAK3: 1ro7 1ro8 2wqq 2x61 2x62 2x63

(-) Related Entries Specified in the PDB File

1ro7 1ro8