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(-) Description

Title :  CRYSTAL STRUCTURE OF S. AUREUS 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 :  2.60
Chains :  Asym./Biol. Unit :  A,B
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
    Chains: A, B
    EC Number: 2.3.1.180
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Taxid: 562
    Gene: FABH, SAR0946
    Organism Scientific: STAPHYLOCOCCUS AUREUS
    Organism Taxid: 1280
    Synonym: 3-OXOACYL-[ACYL-CARRIER-PROTEIN] SYNTHASE III, BETA-KETOACYL-ACP SYNTHASE III, KAS III

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit : AB

Summary Information (see also Sequences/Alignments below)

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

(no "Ligand,Modified Residues,Ions" information available for 3IL7)

(-) Sites  (0, 0)

(no "Site" information available for 3IL7)

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 3IL7)

(-) Cis Peptide Bonds  (4, 4)

Asymmetric/Biological Unit
No.Residues
1Phe A:87 -Pro A:88
2Gly A:301 -Leu A:302
3Phe B:87 -Pro B:88
4Gly B:301 -Leu B:302

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 3IL7)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 3IL7)

(-) Exons   (0, 0)

(no "Exon" information available for 3IL7)

(-) Sequences/Alignments

Asymmetric/Biological 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:313
 aligned with FABH_STAAR | Q6GIA4 from UniProtKB/Swiss-Prot  Length:313

    Alignment length:313
                                    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_STAAR     1 MNVGIKGFGAYAPEKIIDNAYFEQFLDTSDEWISKMTGIKERHWADDDQDTSDLAYEASVKAIADAGIQPEDIDMIIVATATGDMPFPTVANMLQERLGTGKVASMDQLAACSGFMYSMITAKQYVQSGDYHNILVVGADKLSKITDLTDRSTAVLFGDGAGAVIIGEVSEGRGIISYEMGSDGTGGKHLYLDKDTGKLKMNGREVFKFAVRIMGDASTRVVEKANLTSDDIDLFIPHQANIRIMESARERLGISKDKMSVSVNKYGNTSAASIPLSIDQELKNGKLKDDDTIVLVGFGGGLTWGAMTIKWGK 313
               SCOP domains d3il7a1 A:1-175 automated matches                                                                                                                                              d3il7a2 A:176-313 automated matches                                                                                                        SCOP domains
               CATH domains 3il7A01 A:1-173  [code=3.40.47.10, no name defined]                                                                                                                          3il7A02 A:174-313  [code=3.40.47.10, no name defined]                                                                                        CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeeeeeeee...eeee.hhhhhh...hhhhhhhhhh..eeee.....hhhhhhhhhhhhhhhhh..hhhhh.eeeee.........hhhhhhhhhhh....eeeeeehhhhhhhhhhhhhhhhhhh.....eeeeeeee.hhhh...hhhhhh...eeeeeeeeee.....eeeeeeeee.hhhhh.eee......eeehhhhhhhhhhhhhhhhhhhhhhhh........eeee...hhhhhhhhhhhhh.hhhhh..hhhhhh.hhhhhhhhhhhhhhhh.......eeeeeeee...eeeeeeee... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3il7 A   1 MNVGIKGFGAYAPEKIIDNAYFEQFLDTSDEWISKMTGIKERHWADDDQDTSDLAYEASVKAIADAGIQPEDIDMIIVATATGDMPFPTVANMLQERLGTGKVASMDQLAACSGFMYSMITAKQYVQSGDYHNILVVGADKLSKITDLTDRSTAVLFGDGAGAVIIGEVSEGRGIISYEMGSDGTGGKHLYLDKDTGKLKMNGREVFKFAVRIMGDASTRVVEKANLTSDDIDLFIPHQANIRIMESARERLGISKDKMSVSVNKYGNTSAASIPLSIDQELKNGKLKDDDTIVLVGFGGGLTWGAMTIKWGK 313
                                    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   


Chain B from PDB  Type:PROTEIN  Length:313
 aligned with FABH_STAAR | Q6GIA4 from UniProtKB/Swiss-Prot  Length:313

    Alignment length:313
                                    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_STAAR     1 MNVGIKGFGAYAPEKIIDNAYFEQFLDTSDEWISKMTGIKERHWADDDQDTSDLAYEASVKAIADAGIQPEDIDMIIVATATGDMPFPTVANMLQERLGTGKVASMDQLAACSGFMYSMITAKQYVQSGDYHNILVVGADKLSKITDLTDRSTAVLFGDGAGAVIIGEVSEGRGIISYEMGSDGTGGKHLYLDKDTGKLKMNGREVFKFAVRIMGDASTRVVEKANLTSDDIDLFIPHQANIRIMESARERLGISKDKMSVSVNKYGNTSAASIPLSIDQELKNGKLKDDDTIVLVGFGGGLTWGAMTIKWGK 313
               SCOP domains d3il7b1 B:1-175 automated matches                                                                                                                                              d3il7b2 B:176-313 automated matches                                                                                                        SCOP domains
               CATH domains 3il7B01 B:1-173  [code=3.40.47.10, no name defined]                                                                                                                          3il7B02 B:174-313  [code=3.40.47.10, no name defined]                                                                                        CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeeeeeeee...eeee.hhhhhh...hhhhhhhhhh..eeee.....hhhhhhhhhhhhhhhhhh.hhhhh.eeeee.........hhhhhhhhhh.....eeeeeehhhhhhhhhhhhhhhhhh......eeeeeeee.hhhh...hhhhhh...eeeeeeeeee.....eeeeeeeee.hhhhh.eee......eeehhhhhhhhhhhhhhhhhhhhhhhh........eeee...hhhhhhhhhhhhh.hhhhh..hhhhhh.hhhhhhhhhhhhhhhh.......eeeeeeee...eeeeeeee... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3il7 B   1 MNVGIKGFGAYAPEKIIDNAYFEQFLDTSDEWISKMTGIKERHWADDDQDTSDLAYEASVKAIADAGIQPEDIDMIIVATATGDMPFPTVANMLQERLGTGKVASMDQLAACSGFMYSMITAKQYVQSGDYHNILVVGADKLSKITDLTDRSTAVLFGDGAGAVIIGEVSEGRGIISYEMGSDGTGGKHLYLDKDTGKLKMNGREVFKFAVRIMGDASTRVVEKANLTSDDIDLFIPHQANIRIMESARERLGISKDKMSVSVNKYGNTSAASIPLSIDQELKNGKLKDDDTIVLVGFGGGLTWGAMTIKWGK 313
                                    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
   Legend:   → Mismatch (orange background)
  - → Gap (green background, '-', border residues have a numbering label)
    → Modified Residue (blue background, lower-case, 'x' indicates undefined single-letter code, labelled with number + name)
  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, 4)

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

(-) CATH Domains  (1, 4)

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

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 3IL7)

(-) Gene Ontology  (10, 10)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A,B   (FABH_STAAR | Q6GIA4)
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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    Gly A:301 - Leu A:302   [ RasMol ]  
    Gly B:301 - Leu B:302   [ RasMol ]  
    Phe A:87 - Pro A:88   [ RasMol ]  
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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

3il3 STRUCTURE OF HAEMOPHILUS INFLUENZAE FABH
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
3il9 STRUCTURE OF E. COLI FABH