6OKG: 3-oxoacyl-[acyl-carrier-protein] synthase 2

Crosslinked Crystal Structure of Type II Fatty Acid Synthase Ketosynthase, FabF, and C16-crypto Acyl Carrier Protein, AcpP. Determined by X-ray diffraction at 2.3 Å resolution. Released 22 Apr 2020.

Method
X-ray diffraction
Resolution
2.3 Å
Organism
Escherichia coli (strain K12)
Chains
2
Atoms
3,904
Mol. weight
52.34 kDa
Ligands
MU4
Released
22 Apr 2020

Explore 6OKG in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

6OKG contains 24 α-helices and 27 β-strands across 2 chains. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chain A: 20 helices, 25 β-strands

ElementResiduesLengthSheet
β-strand5-1391
β-strand1412
β-strand1712
α-helix20-289
β-strand34-3633
β-strand49-5133
α-helix64-674
α-helix72-8817
α-helix97-993
β-strand100-10561
α-helix111-12414
α-helix126-1283
α-helix141-15010
β-strand156-15721
α-helix162-1643
α-helix165-17915
β-strand184-19181
α-helix196-2049
β-strand20814
α-helix215-2173
β-strand22315
β-strand22914
β-strand23116
β-strand23213
β-strand234-24291
α-helix243-2486
β-strand255-264101
α-helix277-29014
α-helix294-2963
β-strand297-30151
α-helix308-32215
α-helix323-3275
β-strand330-33231
α-helix335-3384
β-strand34016
α-helix342-3443
α-helix345-35915
β-strand361-36227
β-strand36518
β-strand37115
α-helix3721
β-strand38118
β-strand385-38627
β-strand392-39761
β-strand403-41191
Chain B: 4 helices, 2 β-strands
ElementResiduesLengthSheet
α-helix3-1513
β-strand2719
α-helix36-5015
α-helix56-594
β-strand6419
α-helix65-739

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
3-oxoacyl-[acyl-carrier-protein] synthase 2Aprotein413Escherichia coli (strain K12)P0AAI5 (AlphaFold model)
Acyl carrier proteinBprotein78Escherichia coli (strain K12)P0A6A8 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>6OKG_1 3-oxoacyl-[acyl-carrier-protein] synthase 2 (chains A)
MSKRRVVVTGLGMLSPVGNTVESTWKALLAGQSGISLIDHFDTSAYATKFAGLVKDFNCE
DIISRKEQRKMDAFIQYGIVAGVQAMQDSGLEITEENATRIGAAIGSGIGGLGLIEENHT
SLMNGGPRKISPFFVPSTIVNMVAGHLTIMYGLRGPSISIATACTSGVHNIGHAARIIAY
GDADVMVAGGAEKASTPLGVGGFGAARALSTRNDNPQAASRPWDKERDGFVLGDGAGMLV
LEEYEHAKKRGAKIYAELVGFGMSSDAYHMTSPPENGAGAALAMANALRDAGIEASQIGY
VNAHGTSTPAGDKAEAQAVKTIFGEAASRVLVSSTKSMTGHLLGAAGAVESIYSILALRD
QAVPPTINLDNPDEGCDLDFVPHEARQVSGMEYTLCNSFGFGGTNGSLIFKKI
Sequence of entity 2 (B), FASTA
>6OKG_2 Acyl carrier protein (chains B)
MSTIEERVKKIIGEQLGVKQEEVTNNASFVEDLGADSLDTVELVMALEEEFDTEIPDEEA
EKITTVQAAIDYINGHQA

Ligands and cofactors

IDNameFormulaCopies
MU4N-[2-(hexadecanoylamino)ethyl]-N~3~-[(2R)-2-hydroxy-3,3-dimethyl-4-(phosphonoox…C27 H54 N3 O8 P1

Water and common crystallization additives (NA) are not listed.

Primary citation

Gating mechanism of elongating beta-ketoacyl-ACP synthases. Mindrebo, J.T., Patel, A., Kim, W.E. et al. Nat Commun (2020) 11:1727-1727. DOI 10.1038/s41467-020-15455-x · PubMed

Other PDB entries of the same protein (UniProt P0AAI5 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

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