ID   RHAD_CITK8              Reviewed;         275 AA.
AC   A8AL31;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   23-OCT-2007, sequence version 1.
DT   03-AUG-2022, entry version 76.
DE   RecName: Full=Rhamnulose-1-phosphate aldolase {ECO:0000255|HAMAP-Rule:MF_00770};
DE            EC=4.1.2.19 {ECO:0000255|HAMAP-Rule:MF_00770};
GN   Name=rhaD {ECO:0000255|HAMAP-Rule:MF_00770}; OrderedLocusNames=CKO_03103;
OS   Citrobacter koseri (strain ATCC BAA-895 / CDC 4225-83 / SGSC4696).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Citrobacter.
OX   NCBI_TaxID=290338;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-895 / CDC 4225-83 / SGSC4696;
RG   The Citrobacter koseri Genome Sequencing Project;
RA   McClelland M., Sanderson E.K., Porwollik S., Spieth J., Clifton W.S.,
RA   Latreille P., Courtney L., Wang C., Pepin K., Bhonagiri V., Nash W.,
RA   Johnson M., Thiruvilangam P., Wilson R.;
RL   Submitted (AUG-2007) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Catalyzes the reversible cleavage of L-rhamnulose-1-phosphate
CC       to dihydroxyacetone phosphate (DHAP) and L-lactaldehyde.
CC       {ECO:0000255|HAMAP-Rule:MF_00770}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=L-rhamnulose 1-phosphate = (S)-lactaldehyde + dihydroxyacetone
CC         phosphate; Xref=Rhea:RHEA:19689, ChEBI:CHEBI:18041,
CC         ChEBI:CHEBI:57642, ChEBI:CHEBI:58313; EC=4.1.2.19;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00770};
CC   -!- COFACTOR:
CC       Name=Zn(2+); Xref=ChEBI:CHEBI:29105;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00770};
CC       Note=Binds 1 zinc ion per subunit. {ECO:0000255|HAMAP-Rule:MF_00770};
CC   -!- PATHWAY: Carbohydrate degradation; L-rhamnose degradation; glycerone
CC       phosphate from L-rhamnose: step 3/3. {ECO:0000255|HAMAP-Rule:MF_00770}.
CC   -!- SUBUNIT: Homotetramer. {ECO:0000255|HAMAP-Rule:MF_00770}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00770}.
CC   -!- SIMILARITY: Belongs to the aldolase class II family. RhaD subfamily.
CC       {ECO:0000255|HAMAP-Rule:MF_00770}.
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DR   EMBL; CP000822; ABV14194.1; -; Genomic_DNA.
DR   RefSeq; WP_012133901.1; NC_009792.1.
DR   AlphaFoldDB; A8AL31; -.
DR   SMR; A8AL31; -.
DR   STRING; 290338.CKO_03103; -.
DR   EnsemblBacteria; ABV14194; ABV14194; CKO_03103.
DR   GeneID; 45136899; -.
DR   KEGG; cko:CKO_03103; -.
DR   HOGENOM; CLU_076831_0_0_6; -.
DR   OMA; SHFMSHI; -.
DR   OrthoDB; 599627at2; -.
DR   UniPathway; UPA00541; UER00603.
DR   Proteomes; UP000008148; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   GO; GO:0008994; F:rhamnulose-1-phosphate aldolase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0019301; P:rhamnose catabolic process; IEA:UniProtKB-UniPathway.
DR   Gene3D; 3.40.225.10; -; 1.
DR   HAMAP; MF_00770; RhaD; 1.
DR   InterPro; IPR001303; Aldolase_II/adducin_N.
DR   InterPro; IPR036409; Aldolase_II/adducin_N_sf.
DR   InterPro; IPR013447; Rhamnulose-1-P_Aldolase.
DR   Pfam; PF00596; Aldolase_II; 1.
DR   SMART; SM01007; Aldolase_II; 1.
DR   SUPFAM; SSF53639; SSF53639; 1.
DR   TIGRFAMs; TIGR02624; rhamnu_1P_ald; 1.
PE   3: Inferred from homology;
KW   Cytoplasm; Lyase; Metal-binding; Reference proteome; Rhamnose metabolism;
KW   Zinc.
FT   CHAIN           1..275
FT                   /note="Rhamnulose-1-phosphate aldolase"
FT                   /id="PRO_1000017336"
FT   ACT_SITE        117
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00770"
FT   BINDING         141
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00770"
FT   BINDING         143
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00770"
FT   BINDING         212
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00770"
SQ   SEQUENCE   275 AA;  30305 MW;  789E51C2EA0E2FCB CRC64;
     MQNITHSWFV QGMIKATSDA WLKGWDERNG GNLTLRLDEA DIAPFTDDFH QEPRYIALSQ
     PMPLLANTPF IVTGSGKFFR NVQLDPAANL GVVKVDSDGA GYHILWGLNH EAVPTSELPA
     HFLSHCERIN ATDGKDRVIM HCHATNLIAL TYVLENNTPL FTRKLWEGST ECLVVFPDGV
     GILPWMVPGT DEIGQATAQE MQKHSLVLWP FHGVFGSGPT LDETFGLIDT AEKSAEVLVK
     IYSMGGMKQT ITREELVALG KRFGVTPLAS ALALY