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(-) Description

Title :  CRYSTAL STRUCTURE OF R314K N-ACETYL NEURAMINIC ACID SYNTHASE FROM NEISERRIA MENINGITIDIS WITH MALATE BOUND
 
Authors :  D. D. A. Joseph, W. Jiao, E. J. Parker
Date :  09 Jan 13  (Deposition) - 10 Apr 13  (Release) - 01 May 13  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.15
Chains :  Asym. Unit :  A
Biol. Unit 1:  A  (2x)
Keywords :  Antifreeze Protein Fold, Nana, N-Acetylneuraminic Acid, Sialic Acid, Neisseria Meningitidis, Transferase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  D. D. Joseph, W. Jiao, E. J. Parker
Arg314 Is Essential For Catalysis By N-Acetyl Neuraminic Acid Synthase From Neisseria Meningitidis.
Biochemistry V. 52 2609 2013
PubMed-ID: 23534460  |  Reference-DOI: 10.1021/BI400062C

(-) Compounds

Molecule 1 - POLYSIALIC ACID CAPSULE BIOSYNTHESIS PROTEIN SIAC
    Chains: A
    EC Number: 2.5.1.56
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Taxid: 562
    Gene: SIAC, NMB0068
    Mutation: YES
    Organism Scientific: NEISSERIA MENINGITIDIS
    Organism Taxid: 487
    Synonym: N-ACETYL NEURAMINIC ACID SYNTHASE

 Structural Features

(-) Chains, Units

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

Summary Information (see also Sequences/Alignments below)

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

Asymmetric Unit (2, 2)
No.NameCountTypeFull Name
1LMR1Ligand/Ion(2S)-2-HYDROXYBUTANEDIOIC ACID
2MN1Ligand/IonMANGANESE (II) ION
Biological Unit 1 (1, 2)
No.NameCountTypeFull Name
1LMR2Ligand/Ion(2S)-2-HYDROXYBUTANEDIOIC ACID
2MN-1Ligand/IonMANGANESE (II) ION

(-) Sites  (2, 2)

Asymmetric Unit (2, 2)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREGLU A:25 , TYR A:186 , HIS A:215 , HIS A:236 , LMR A:402 , HOH A:517BINDING SITE FOR RESIDUE MN A 401
2AC2SOFTWAREGLU A:25 , LYS A:53 , GLN A:55 , THR A:110 , LYS A:129 , GLY A:131 , ASN A:184 , TYR A:186 , HIS A:215 , HIS A:236 , MN A:401 , HOH A:517 , HOH A:518BINDING SITE FOR RESIDUE LMR A 402

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 4IPJ)

(-) Cis Peptide Bonds  (2, 2)

Asymmetric Unit
No.Residues
1Tyr A:186 -Pro A:187
2Lys A:314 -Pro A:315

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 4IPJ)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 4IPJ)

(-) Exons   (0, 0)

(no "Exon" information available for 4IPJ)

(-) Sequences/Alignments

Asymmetric Unit
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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:351
                                                                                                                                                                                                                                                                                                                                                                                               
               SCOP domains d4ipja1 A:-1-281 automated matches                                                                                                                                                                                                                                                         d4ipja2 A:282-349 automated matches                                  SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .......eeee..eeee.....eeeeeee.....hhhhhhhhhhhhhhh...eeeeee.hhhhhhhhhhhhh.......hhhhhhhhhh.hhhhhhhhhhhhhhh..eeeeee.hhhhhhhhhhhh...eeehhhhh.hhhhhhhhhh....eeee....hhhhhhhhhhhhhhhh..eeeee.......hhhhhhhhhhhhhhhhh...eeeee.....hhhhhhhhhhh..eeeee..........hhhhh.hhhhhhhhhhhhhhhhhhh.......hhhhhhhhhhhh.eeee..............eeee.......hhhhhhhhh..............hhhhh. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4ipj A  -1 GAMQNNNEFKIGNRSVGYNHEPLIICEIGINHEGSLKTAFEMVDAAYNAGAEVVKHQTHIVEDEMSDEAKQVIPGNADVSIYEIMERCALNEEDEIKLKEYVESKGMIFISTPFSRAAALRLQRMDIPAYKIGSGECNNYPLIKLVASFGKPIILSTGMNSIESIKKSVEIIREAGVPYALLHCTNIYPTPYEDVRLGGMNDLSEAFPDAIIGLSDHTLDNYACLGAVALGGSILERHFTDRMDRPGPDIVCSMNPDTFKELKQGAHALKLARGGKKDTIIAGEKPTKDFAFASVVADKDIKKGELLSGDNLWVKKPGNGDFSVNEYETLFGKVAACNIRKGAQIKKTDIE 349
                                     8        18        28        38        48        58        68        78        88        98       108       118       128       138       148       158       168       178       188       198       208       218       228       238       248       258       268       278       288       298       308       318       328       338       348
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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  (2, 2)

Asymmetric Unit
(-)
Class: All beta proteins (24004)
(-)
Class: Alpha and beta proteins (a/b) (23833)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 4IPJ)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 4IPJ)

(-) Gene Ontology  (3, 5)

Asymmetric Unit(hide GO term definitions)

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 Related Entries

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

UniProtKB/Swiss-Prot
        Q7DDU0_NEIMB | Q7DDU0: 4ipi
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(-) Related Entries Specified in the PDB File

1xuu MALATE-BOUND WILD-TYPE ENZYME
1xuz SUBSTRATE-BOUND WILD-TYPE ENZYME
4ipi