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(-) Description

Title :  STRUCTURE OF HAEMOPHILUS INFLUENZAE FABH
 
Authors :  K. S. Gajiwala, S. Margosiak, J. Lu, J. Cortez, Y. Su, Z. Nie, K. Appelt
Date :  06 Aug 09  (Deposition) - 25 Aug 09  (Release) - 06 Oct 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.70
Chains :  Asym. Unit :  A
Biol. Unit 1:  A  (2x)
Keywords :  Fabh, Fatty Acid Biosynthesis, Antibiotic, Acyltransferase, Cytoplasm, Lipid Synthesis, Multifunctional Enzyme, Transferase (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  K. S. Gajiwala, S. Margosiak, J. Lu, J. Cortez, Y. Su, Z. Nie, K. Appelt
Crystal Structures Of Bacterial Fabh Suggest A Molecular Basis For The Substrate Specificity Of The Enzyme.
Febs Lett. V. 583 2939 2009
PubMed-ID: 19665020  |  Reference-DOI: 10.1016/J.FEBSLET.2009.08.001
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - 3-OXOACYL-[ACYL-CARRIER-PROTEIN] SYNTHASE 3
    ChainsA
    EC Number2.3.1.180
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System Taxid562
    GeneFABH, HI0157
    Organism ScientificHAEMOPHILUS INFLUENZAE
    Organism Taxid727
    Synonym3-OXOACYL-[ACYL-CARRIER-PROTEIN] SYNTHASE III, BETA-KETOACYL-ACP SYNTHASE III, KAS III

 Structural Features

(-) Chains, Units

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

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 1)

Asymmetric Unit (1, 1)
No.NameCountTypeFull Name
1SCY1Mod. Amino AcidS-ACETYL-CYSTEINE
Biological Unit 1 (1, 2)
No.NameCountTypeFull Name
1SCY2Mod. Amino AcidS-ACETYL-CYSTEINE

(-) Sites  (0, 0)

(no "Site" information available for 3IL3)

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 3IL3)

(-) Cis Peptide Bonds  (2, 2)

Asymmetric Unit
No.Residues
1Tyr A:87 -Pro A:88
2Gly A:306 -Trp A:307

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 3IL3)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 3IL3)

(-) Exons   (0, 0)

(no "Exon" information available for 3IL3)

(-) 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:316
 aligned with FABH_HAEIN | P43711 from UniProtKB/Swiss-Prot  Length:316

    Alignment length:316
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280       290       300       310      
           FABH_HAEIN     1 MNSRILSTGSYLPSHIRTNADLEKMVDTSDEWIVTRSGIRERRIAAEDETVATMGFEAAKNAIEAAQINPQDIELIIVATTSHSHAYPSAACQVQGLLNIDDAISFDLAAACTGFVYALSVADQFIRAGKVKKALVIGSDLNSRKLDETDRSTVVLFGDGAGAVILEASEQEGIISTHLHASADKNNALVLAQPERGIEKSGYIEMQGNETFKLAVRELSNVVEETLLANNLDKKDLDWLVPHQANLRIITATAKKLEMDMSQVVVTLDKYANNSAATVPVALDEAIRDGRIQRGQLLLLEAFGGGWTWGSALVRF 316
               SCOP domains d3il3a1 A:1-173 automated matches                                                                                                                                            d3il3a2 A:174-316 automated matches                                                                                                             SCOP domains
               CATH domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .ee...eeeee....eeehhhhhh....hhhhhhhhh...eee......hhhhhhhhhhhhhhhhhh.hhhhh.eeeee.........hhhhhhhhhh.....eeeee.hhhhhhhhhhhhhhhhhhh....eeeeeeeee.hhh.............eeeeeeeeeee....eeeeeeee.......ee..............eehhhhhhhhhhhhhhhhhhhhhhh.........eeee...hhhhhhhhhhhh..hhhhh..hhhhhh.hhhhhhhhhhhhhhhh.......eeeeeeee...eeeeeeee. Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3il3 A   1 MNSRILSTGSYLPSHIRTNADLEKMVDTSDEWIVTRSGIRERRIAAEDETVATMGFEAAKNAIEAAQINPQDIELIIVATTSHSHAYPSAACQVQGLLNIDDAISFDLAAAcTGFVYALSVADQFIRAGKVKKALVIGSDLNSRKLDETDRSTVVLFGDGAGAVILEASEQEGIISTHLHASADKNNALVLAQPERGIEKSGYIEMQGNETFKLAVRELSNVVEETLLANNLDKKDLDWLVPHQANLRIITATAKKLEMDMSQVVVTLDKYANNSAATVPVALDEAIRDGRIQRGQLLLLEAFGGGWTWGSALVRF 316
                                    10        20        30        40        50        60        70        80        90       100       110 |     120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280       290       300       310      
                                                                                                                                         112-SCY                                                                                                                                                                                                        

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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, 2)

Asymmetric Unit

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 3IL3)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 3IL3)

(-) Gene Ontology  (10, 10)

Asymmetric Unit(hide GO term definitions)
Chain A   (FABH_HAEIN | P43711)
molecular function
    GO:0004315    3-oxoacyl-[acyl-carrier-protein] synthase activity    Catalysis of the reaction: acyl-[acyl-carrier protein] + malonyl-[acyl-carrier protein] = 3-oxoacyl-[acyl-carrier protein] + CO2 + [acyl-carrier protein].
    GO:0033818    beta-ketoacyl-acyl-carrier-protein synthase III activity    Catalysis of the reaction: acetyl-CoA + malonyl-[acyl-carrier protein] = acetoacyl-[acyl-carrier protein] + CoA + CO2.
    GO:0003824    catalytic activity    Catalysis of a biochemical reaction at physiological temperatures. In biologically catalyzed reactions, the reactants are known as substrates, and the catalysts are naturally occurring macromolecular substances known as enzymes. Enzymes possess specific binding sites for substrates, and are usually composed wholly or largely of protein, but RNA that has catalytic activity (ribozyme) is often also regarded as enzymatic.
    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:0006633    fatty acid biosynthetic process    The chemical reactions and pathways resulting in the formation of a fatty acid, any of the aliphatic monocarboxylic acids that can be liberated by hydrolysis from naturally occurring fats and oils. Fatty acids are predominantly straight-chain acids of 4 to 24 carbon atoms, which may be saturated or unsaturated; branched fatty acids and hydroxy fatty acids also occur, and very long chain acids of over 30 carbons are found in waxes.
    GO:0006631    fatty acid metabolic process    The chemical reactions and pathways involving fatty acids, aliphatic monocarboxylic acids liberated from naturally occurring fats and oils by hydrolysis.
    GO:0006629    lipid metabolic process    The chemical reactions and pathways involving lipids, compounds soluble in an organic solvent but not, or sparingly, in an aqueous solvent. Includes fatty acids; neutral fats, other fatty-acid esters, and soaps; long-chain (fatty) alcohols and waxes; sphingoids and other long-chain bases; glycolipids, phospholipids and sphingolipids; and carotenes, polyprenols, sterols, terpenes and other isoprenoids.
    GO:0008152    metabolic process    The chemical reactions and pathways, including anabolism and catabolism, by which living organisms transform chemical substances. Metabolic processes typically transform small molecules, but also include macromolecular processes such as DNA repair and replication, and protein synthesis and degradation.
cellular component
    GO:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.

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 Related Entries

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

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(-) Related Entries Specified in the PDB File

3il4 STRUCTURE OF E. FAECALIS FABH IN COMPLEX WITH ACETYL COA
3il5 STRUCTURE OF E. FAECALIS FABH IN COMPLEX WITH 2-({4-BROMO- 3-[(DIETHYLAMINO)SULFONYL]BENZOYL}AMINO)BENZOIC ACID
3il6 STRUCTURE OF E. FAECALIS FABH IN COMPLEX WITH 2-({4-[(3R, 5S)-3,5-DIMETHYLPIPERIDIN-1-YL]-3-PHENOXYBENZOYL}AMINO) BENZOIC ACID
3il7 CRYSTAL STRUCTURE OF S. AUREUS FABH
3il9 STRUCTURE OF E. COLI FABH