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(-) Description

Title :  CRYSTAL STRUCTURE OF HUMAN GNA1
 
Authors :  J. Wang, X. Liu, L. -F. Li, X. -D. Su
Date :  25 Apr 08  (Deposition) - 16 Sep 08  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.70
Chains :  Asym. Unit :  A
Biol. Unit 1:  A  (2x)
Keywords :  Glucosamine-6-Phosphate N-Acetyltransferase 1, Acyltransferase, Endosome, Golgi Apparatus, Membrane, Transferase (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  J. Wang, X. Liu, Y. -H. Liang, L. -F. Li, X. -D. Su
Acceptor Substrate Binding Revealed By Crystal Structure Of Human Glucosamine-6-Phosphate N-Acetyltransferase 1
Febs Lett. V. 582 2973 2008
PubMed-ID: 18675810  |  Reference-DOI: 10.1016/J.FEBSLET.2008.07.040
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - GLUCOSAMINE 6-PHOSPHATE N-ACETYLTRANSFERASE
    ChainsA
    EC Number2.3.1.4
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System PlasmidPET28A
    Expression System StrainBL21 (DE3)
    Expression System Taxid469008
    Expression System Vector TypePLASMID
    GeneGNPNAT1
    Organism CommonHUMAN
    Organism ScientificHOMO SAPIENS
    Organism Taxid9606
    SynonymPHOSPHOGLUCOSAMINE TRANSACETYLASE, PHOSPHOGLUCOSAMINE ACETYLASE

 Structural Features

(-) Chains, Units

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

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (0, 0)

(no "Ligand,Modified Residues,Ions" information available for 3CXS)

(-) Sites  (0, 0)

(no "Site" information available for 3CXS)

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 3CXS)

(-) Cis Peptide Bonds  (1, 1)

Asymmetric Unit
No.Residues
1Ser A:27 -Pro A:28

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 3CXS)

(-) PROSITE Motifs  (1, 1)

Asymmetric Unit (1, 1)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1GNATPS51186 Gcn5-related N-acetyltransferase (GNAT) domain profile.GNA1_HUMAN39-184  1A:39-182
Biological Unit 1 (1, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1GNATPS51186 Gcn5-related N-acetyltransferase (GNAT) domain profile.GNA1_HUMAN39-184  2A:39-182

(-) Exons   (5, 5)

Asymmetric Unit (5, 5)
 ENSEMBLUniProtKBPDB
No.Transcript IDExonExon IDGenome LocationLengthIDLocationLengthCountLocationLength
1.1ENST000002164101ENSE00001255425chr14:53258319-53258146174GNA1_HUMAN-00--
1.2ENST000002164102ENSE00001147742chr14:53251382-53251215168GNA1_HUMAN1-52521A:1-5252
1.3ENST000002164103ENSE00001002747chr14:53250203-5325014163GNA1_HUMAN52-73221A:52-7322
1.4ENST000002164104ENSE00000657482chr14:53248629-53248502128GNA1_HUMAN73-115431A:73-11543
1.5ENST000002164105ENSE00000657480chr14:53247458-5324739762GNA1_HUMAN116-136211A:116-136 (gaps)21
1.6ENST000002164106ENSE00001255438chr14:53245176-532419123265GNA1_HUMAN136-184491A:136-18247

(-) 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:181
 aligned with GNA1_HUMAN | Q96EK6 from UniProtKB/Swiss-Prot  Length:184

    Alignment length:182
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180  
           GNA1_HUMAN     1 MKPDETPMFDPSLLKEVDWSQNTATFSPAISPTHPGEGLVLRPLCTADLNRGFFKVLGQLTETGVVSPEQFMKSFEHMKKSGDYYVTVVEDVTLGQIVATATLIIEHKFIHSCAKRGRVEDVVVSDECRGKQLGKLLLSTLTLLSKKLNCYKITLECLPQNVGFYKKFGYTVSEENYMCRRF 182
               SCOP domains d3cxsa_ A: automated matches                                                                                                                                                           SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..........hhhhhh.hhhhh................eeeee.hhhhhhhhhhhhhhhhh.....hhhhhhhhhhhhhhhh.eeeeeeee.hhheeeeeeeeeeee.hhhhhheeeeeeeeee.....-.hhhhhhhhhhhhhhh...eeeee...hhhhhhhhhh............... Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------GNAT  PDB: A:39-182 UniProt: 39-184                                                                                                              PROSITE
           Transcript 1 (1) Exon 1.2  PDB: A:1-52 UniProt: 1-52                 --------------------Exon 1.4  PDB: A:73-115 UniProt: 73-115    Exon 1.5             ---------------------------------------------- Transcript 1 (1)
           Transcript 1 (2) ---------------------------------------------------Exon 1.3  PDB: A:52-73--------------------------------------------------------------Exon 1.6  PDB: A:136-182 UniProt: 136-184       Transcript 1 (2)
                 3cxs A   1 MKPDETPMFDPSLLKEVDWSQNTATFSPAISPTHPGEGLVLRPLCTADLNRGFFKVLGQLTETGVVSPEQFMKSFEHMKKSGDYYVTVVEDVTLGQIVATATLIIEHKFIHSCAKRGRVEDVVVSDECR-KQLGKLLLSTLTLLSKKLNCYKITLECLPQNVGFYKKFGYTVSEENYMCRRF 182
                                    10        20        30        40        50        60        70        80        90       100       110       120        |-|      140       150       160       170       180  
                                                                                                                                                          129 |                                                   
                                                                                                                                                            131                                                   

   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

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 3CXS)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 3CXS)

(-) Gene Ontology  (18, 18)

Asymmetric Unit(hide GO term definitions)
Chain A   (GNA1_HUMAN | Q96EK6)
molecular function
    GO:0008080    N-acetyltransferase activity    Catalysis of the transfer of an acetyl group to a nitrogen atom on the acceptor molecule.
    GO:0004343    glucosamine 6-phosphate N-acetyltransferase activity    Catalysis of the reaction: D-glucosamine 6-phosphate + acetyl-CoA = N-acetyl-D-glucosamine 6-phosphate + CoA + H(+).
    GO:0042802    identical protein binding    Interacting selectively and non-covalently with an identical protein or proteins.
    GO:0048029    monosaccharide binding    Interacting selectively and non-covalently with any monosaccharide. Monosaccharides are the simplest carbohydrates; they are polyhydroxy aldehydes H[CH(OH)]nC(=O)H or polyhydroxy ketones H[CHOH]nC(=O)[CHOH]mH with three or more carbon atoms. They form the constitutional repeating units of oligo- and polysaccharides.
    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:0016746    transferase activity, transferring acyl groups    Catalysis of the transfer of an acyl group from one compound (donor) to another (acceptor).
biological process
    GO:0006044    N-acetylglucosamine metabolic process    The chemical reactions and pathways involving N-acetylglucosamine. The D isomer is a common structural unit of glycoproteins in plants, bacteria and animals; it is often the terminal sugar of an oligosaccharide group of a glycoprotein.
    GO:0006048    UDP-N-acetylglucosamine biosynthetic process    The chemical reactions and pathways resulting in the formation of UDP-N-acetylglucosamine, a substance composed of N-acetylglucosamine, a common structural unit of oligosaccharides, in glycosidic linkage with uridine diphosphate.
    GO:0006041    glucosamine metabolic process    The chemical reactions and pathways involving glucosamine (2-amino-2-deoxyglucopyranose), an aminodeoxysugar that occurs in combined form in chitin.
    GO:0001889    liver development    The process whose specific outcome is the progression of the liver over time, from its formation to the mature structure. The liver is an exocrine gland which secretes bile and functions in metabolism of protein and carbohydrate and fat, synthesizes substances involved in the clotting of the blood, synthesizes vitamin A, detoxifies poisonous substances, stores glycogen, and breaks down worn-out erythrocytes.
cellular component
    GO:0005794    Golgi apparatus    A compound membranous cytoplasmic organelle of eukaryotic cells, consisting of flattened, ribosome-free vesicles arranged in a more or less regular stack. The Golgi apparatus differs from the endoplasmic reticulum in often having slightly thicker membranes, appearing in sections as a characteristic shallow semicircle so that the convex side (cis or entry face) abuts the endoplasmic reticulum, secretory vesicles emerging from the concave side (trans or exit face). In vertebrate cells there is usually one such organelle, while in invertebrates and plants, where they are known usually as dictyosomes, there may be several scattered in the cytoplasm. The Golgi apparatus processes proteins produced on the ribosomes of the rough endoplasmic reticulum; such processing includes modification of the core oligosaccharides of glycoproteins, and the sorting and packaging of proteins for transport to a variety of cellular locations. Three different regions of the Golgi are now recognized both in terms of structure and function: cis, in the vicinity of the cis face, trans, in the vicinity of the trans face, and medial, lying between the cis and trans regions.
    GO:0000139    Golgi membrane    The lipid bilayer surrounding any of the compartments of the Golgi apparatus.
    GO:0005829    cytosol    The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.
    GO:0005793    endoplasmic reticulum-Golgi intermediate compartment    A complex system of membrane-bounded compartments located between endoplasmic reticulum (ER) and the Golgi complex, with a distinctive membrane protein composition; involved in ER-to-Golgi and Golgi-to-ER transport.
    GO:0005768    endosome    A vacuole to which materials ingested by endocytosis are delivered.
    GO:0010008    endosome membrane    The lipid bilayer surrounding an endosome.
    GO:0005770    late endosome    A prelysosomal endocytic organelle differentiated from early endosomes by lower lumenal pH and different protein composition. Late endosomes are more spherical than early endosomes and are mostly juxtanuclear, being concentrated near the microtubule organizing center.
    GO:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.

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 Related Entries

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

UniProtKB/Swiss-Prot
        GNA1_HUMAN | Q96EK62huz 2o28 3cxp 3cxq

(-) Related Entries Specified in the PDB File

3cxp GLUCOSAMINE 6-PHOSPHATE N-ACETYLTRANSFERASE 1 MUTANT E156A
3cxq GLUCOSAMINE 6-PHOSPHATE N-ACETYLTRANSFERASE 1 WITH GLCN6P