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DAPF_SYNY3
ID   DAPF_SYNY3              Reviewed;         279 AA.
AC   P74667;
DT   01-NOV-1997, integrated into UniProtKB/Swiss-Prot.
DT   01-FEB-1997, sequence version 1.
DT   03-AUG-2022, entry version 123.
DE   RecName: Full=Diaminopimelate epimerase {ECO:0000255|HAMAP-Rule:MF_00197};
DE            Short=DAP epimerase {ECO:0000255|HAMAP-Rule:MF_00197};
DE            EC=5.1.1.7 {ECO:0000255|HAMAP-Rule:MF_00197};
DE   AltName: Full=PLP-independent amino acid racemase {ECO:0000255|HAMAP-Rule:MF_00197};
GN   Name=dapF {ECO:0000255|HAMAP-Rule:MF_00197}; OrderedLocusNames=slr1665;
OS   Synechocystis sp. (strain PCC 6803 / Kazusa).
OC   Bacteria; Cyanobacteria; Synechococcales; Merismopediaceae; Synechocystis;
OC   unclassified Synechocystis.
OX   NCBI_TaxID=1111708;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=PCC 6803 / Kazusa;
RX   PubMed=8905231; DOI=10.1093/dnares/3.3.109;
RA   Kaneko T., Sato S., Kotani H., Tanaka A., Asamizu E., Nakamura Y.,
RA   Miyajima N., Hirosawa M., Sugiura M., Sasamoto S., Kimura T., Hosouchi T.,
RA   Matsuno A., Muraki A., Nakazaki N., Naruo K., Okumura S., Shimpo S.,
RA   Takeuchi C., Wada T., Watanabe A., Yamada M., Yasuda M., Tabata S.;
RT   "Sequence analysis of the genome of the unicellular cyanobacterium
RT   Synechocystis sp. strain PCC6803. II. Sequence determination of the entire
RT   genome and assignment of potential protein-coding regions.";
RL   DNA Res. 3:109-136(1996).
CC   -!- FUNCTION: Catalyzes the stereoinversion of LL-2,6-diaminoheptanedioate
CC       (L,L-DAP) to meso-diaminoheptanedioate (meso-DAP), a precursor of L-
CC       lysine and an essential component of the bacterial peptidoglycan.
CC       {ECO:0000255|HAMAP-Rule:MF_00197}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=(2S,6S)-2,6-diaminoheptanedioate = meso-2,6-
CC         diaminoheptanedioate; Xref=Rhea:RHEA:15393, ChEBI:CHEBI:57609,
CC         ChEBI:CHEBI:57791; EC=5.1.1.7; Evidence={ECO:0000255|HAMAP-
CC         Rule:MF_00197};
CC   -!- PATHWAY: Amino-acid biosynthesis; L-lysine biosynthesis via DAP
CC       pathway; DL-2,6-diaminopimelate from LL-2,6-diaminopimelate: step 1/1.
CC       {ECO:0000255|HAMAP-Rule:MF_00197}.
CC   -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_00197}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00197}.
CC   -!- SIMILARITY: Belongs to the diaminopimelate epimerase family.
CC       {ECO:0000255|HAMAP-Rule:MF_00197}.
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DR   EMBL; BA000022; BAA18785.1; -; Genomic_DNA.
DR   PIR; S76873; S76873.
DR   AlphaFoldDB; P74667; -.
DR   SMR; P74667; -.
DR   STRING; 1148.1653875; -.
DR   PaxDb; P74667; -.
DR   EnsemblBacteria; BAA18785; BAA18785; BAA18785.
DR   KEGG; syn:slr1665; -.
DR   eggNOG; COG0253; Bacteria.
DR   InParanoid; P74667; -.
DR   OMA; HVAMRVH; -.
DR   PhylomeDB; P74667; -.
DR   UniPathway; UPA00034; UER00025.
DR   Proteomes; UP000001425; Chromosome.
DR   GO; GO:0005829; C:cytosol; IBA:GO_Central.
DR   GO; GO:0008837; F:diaminopimelate epimerase activity; IBA:GO_Central.
DR   GO; GO:0009089; P:lysine biosynthetic process via diaminopimelate; IBA:GO_Central.
DR   HAMAP; MF_00197; DAP_epimerase; 1.
DR   InterPro; IPR018510; DAP_epimerase_AS.
DR   InterPro; IPR001653; DAP_epimerase_DapF.
DR   PANTHER; PTHR31689; PTHR31689; 1.
DR   Pfam; PF01678; DAP_epimerase; 2.
DR   TIGRFAMs; TIGR00652; DapF; 1.
DR   PROSITE; PS01326; DAP_EPIMERASE; 1.
PE   3: Inferred from homology;
KW   Amino-acid biosynthesis; Cytoplasm; Isomerase; Lysine biosynthesis;
KW   Reference proteome.
FT   CHAIN           1..279
FT                   /note="Diaminopimelate epimerase"
FT                   /id="PRO_0000149873"
FT   ACT_SITE        75
FT                   /note="Proton donor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00197"
FT   ACT_SITE        222
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00197"
FT   BINDING         13
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00197"
FT   BINDING         66
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00197"
FT   BINDING         76..77
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00197"
FT   BINDING         162
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00197"
FT   BINDING         195
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00197"
FT   BINDING         213..214
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00197"
FT   BINDING         223..224
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00197"
FT   SITE            164
FT                   /note="Could be important to modulate the pK values of the
FT                   two catalytic cysteine residues"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00197"
FT   SITE            213
FT                   /note="Could be important to modulate the pK values of the
FT                   two catalytic cysteine residues"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00197"
SQ   SEQUENCE   279 AA;  30096 MW;  9E7EF1DEF5C63A02 CRC64;
     MALSFSKYHG LGNDFILVDN RQSTEPCLTP DQAQQLCDRH FGIGADGVIF ALPGQGGTDY
     TMRIFNSDGS EPEMCGNGIR CLAKFLADLE GVEEKTYRIH TLAGVITPQL LADGQVKVDM
     GEPQLLAELI PTTLAPAGEK VVDLPLAVAG QTWAVTCVSM GNPHCLTFVD DVDSLNLTEI
     GPLFEHHPQF SQRTNTEFIQ VLGSDRLKMR VWERGAGITL ACGTGACATV VAAVLTGRGD
     RRCTVELPGG NLEIEWSAQD NRLYMTGPAQ RVFSGQAEI
 
 
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