ID   FEMB_STAAU              Reviewed;         419 AA.
AC   P0A0A8; P14305;
DT   01-MAR-2005, integrated into UniProtKB/Swiss-Prot.
DT   01-MAR-2005, sequence version 1.
DT   03-AUG-2022, entry version 87.
DE   RecName: Full=Aminoacyltransferase FemB;
DE            EC=2.3.2.18;
DE   AltName: Full=Factor essential for expression of methicillin resistance B;
DE   AltName: Full=N-acetylmuramoyl-L-alanyl-D-glutamyl-L-lysyl-(N6-triglycine)-D-alanyl-D-alanine-diphosphoundecaprenyl-N-acetylglucosamine:glycine glycyltransferase;
GN   Name=femB;
OS   Staphylococcus aureus.
OC   Bacteria; Firmicutes; Bacilli; Bacillales; Staphylococcaceae;
OC   Staphylococcus.
OX   NCBI_TaxID=1280;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=2559314; DOI=10.1007/bf00261186;
RA   Berger-Baechi B., Barberis-Maino L., Straessle A., Kayser F.H.;
RT   "FemA, a host-mediated factor essential for methicillin resistance in
RT   Staphylococcus aureus: molecular cloning and characterization.";
RL   Mol. Gen. Genet. 219:263-269(1989).
CC   -!- FUNCTION: Catalyzes the formation of the pentaglycine interpeptide
CC       bridge, which is characteristic of the S.aureus peptidoglycan. Adds
CC       glycines 4 and 5 of the pentaglycine bridge, using glycyl-tRNA(Gly) as
CC       donor (By similarity). {ECO:0000250}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=2 glycyl-tRNA(Gly) + MurNAc-L-Ala-D-isoglutaminyl-L-Lys-(N(6)-
CC         tri-Gly)-D-Ala-D-Ala-diphospho-di-trans,octa-cis-undecaprenyl-GlcNAc
CC         = 2 H(+) + MurNAc-L-Ala-D-isoglutaminyl-L-Lys-(N(6)-penta-Gly)-D-Ala-
CC         D-Ala-diphospho-di-trans,octa-cis-undecaprenyl-GlcNAc + 2 tRNA(Gly);
CC         Xref=Rhea:RHEA:30443, Rhea:RHEA-COMP:9664, Rhea:RHEA-COMP:9683,
CC         ChEBI:CHEBI:15378, ChEBI:CHEBI:62235, ChEBI:CHEBI:62236,
CC         ChEBI:CHEBI:78442, ChEBI:CHEBI:78522; EC=2.3.2.18;
CC   -!- SUBUNIT: Homodimer. Interacts with FemA (By similarity). {ECO:0000250}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000250}.
CC   -!- MISCELLANEOUS: Since cross-linking between the peptide strands is
CC       critical for maintaining stability of the cell wall, FemB is a
CC       potential target for the development of new antibacterial agents.
CC   -!- SIMILARITY: Belongs to the FemABX family. {ECO:0000305}.
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DR   EMBL; X17688; CAA35680.1; -; Genomic_DNA.
DR   PIR; S06784; S06784.
DR   RefSeq; WP_000673098.1; NZ_WYDB01000002.1.
DR   AlphaFoldDB; P0A0A8; -.
DR   SMR; P0A0A8; -.
DR   OMA; GPYAMHW; -.
DR   BioCyc; MetaCyc:MON-15455; -.
DR   BRENDA; 2.3.2.18; 3352.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0016755; F:aminoacyltransferase activity; IEA:InterPro.
DR   GO; GO:0071555; P:cell wall organization; IEA:UniProtKB-KW.
DR   GO; GO:0009252; P:peptidoglycan biosynthetic process; IEA:UniProtKB-KW.
DR   GO; GO:0008360; P:regulation of cell shape; IEA:UniProtKB-KW.
DR   InterPro; IPR016181; Acyl_CoA_acyltransferase.
DR   InterPro; IPR003447; FEMABX.
DR   Pfam; PF02388; FemAB; 1.
DR   SUPFAM; SSF55729; SSF55729; 2.
DR   PROSITE; PS51191; FEMABX; 1.
PE   3: Inferred from homology;
KW   Acyltransferase; Cell shape; Cell wall biogenesis/degradation; Cytoplasm;
KW   Peptidoglycan synthesis; Transferase.
FT   CHAIN           1..419
FT                   /note="Aminoacyltransferase FemB"
FT                   /id="PRO_0000204743"
SQ   SEQUENCE   419 AA;  49676 MW;  9C5C90C340E86288 CRC64;
     MKFTELTVTE FDNFVQNPSL ESHYFQVKEN IVTRENDGFE VVLLGIKDDN NKVIAASLFS
     KIPTMGSYVY YSNRGPVMDF SDLGLVDYYL KELDKYLQQH QCLYVKLDPY WLYHLYDKDI
     VPFEGREKND ALVNLFKSHG YEHHGFTTEY DTSSQVRWMG VLNLEGKTPE TLKKTFDSQR
     KRNINKAINY GVKVRFLERD EFNLFLDLYR ETEERAGFVS KTDDYFYNFI DTYGDKVLVP
     LAYIDLDEYV LKLQQELNDK ENRRDQMMAK ENKSDKQMKK IAELDKQIDH DQHELLNASE
     LSKTDGPILN LASGVYFANA YEVNYFSGGS SEKYNQFMGP YMMHWFMINY CFDNGYDRYN
     FYGLSGDFTE NSEDYGVYRF KRGFNVQIEE LIGDFYKPIH KVKYWLFTTL DKLRKKLKK