ID BETB_KLEP3 Reviewed; 490 AA. AC B5Y007; DT 14-APR-2009, integrated into UniProtKB/Swiss-Prot. DT 25-NOV-2008, sequence version 1. DT 27-MAR-2024, entry version 79. DE RecName: Full=Betaine aldehyde dehydrogenase {ECO:0000255|HAMAP-Rule:MF_00804}; DE Short=BADH {ECO:0000255|HAMAP-Rule:MF_00804}; DE EC=1.2.1.8 {ECO:0000255|HAMAP-Rule:MF_00804}; GN Name=betB {ECO:0000255|HAMAP-Rule:MF_00804}; GN OrderedLocusNames=KPK_3994; OS Klebsiella pneumoniae (strain 342). OC Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales; OC Enterobacteriaceae; Klebsiella/Raoultella group; Klebsiella. OX NCBI_TaxID=507522; RN [1] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=342; RX PubMed=18654632; DOI=10.1371/journal.pgen.1000141; RA Fouts D.E., Tyler H.L., DeBoy R.T., Daugherty S., Ren Q., Badger J.H., RA Durkin A.S., Huot H., Shrivastava S., Kothari S., Dodson R.J., Mohamoud Y., RA Khouri H., Roesch L.F.W., Krogfelt K.A., Struve C., Triplett E.W., RA Methe B.A.; RT "Complete genome sequence of the N2-fixing broad host range endophyte RT Klebsiella pneumoniae 342 and virulence predictions verified in mice."; RL PLoS Genet. 4:E1000141-E1000141(2008). CC -!- FUNCTION: Involved in the biosynthesis of the osmoprotectant glycine CC betaine. Catalyzes the irreversible oxidation of betaine aldehyde to CC the corresponding acid. {ECO:0000255|HAMAP-Rule:MF_00804}. CC -!- CATALYTIC ACTIVITY: CC Reaction=betaine aldehyde + H2O + NAD(+) = glycine betaine + 2 H(+) + CC NADH; Xref=Rhea:RHEA:15305, ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, CC ChEBI:CHEBI:15710, ChEBI:CHEBI:17750, ChEBI:CHEBI:57540, CC ChEBI:CHEBI:57945; EC=1.2.1.8; Evidence={ECO:0000255|HAMAP- CC Rule:MF_00804}; CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:15306; CC Evidence={ECO:0000255|HAMAP-Rule:MF_00804}; CC -!- COFACTOR: CC Name=K(+); Xref=ChEBI:CHEBI:29103; Evidence={ECO:0000255|HAMAP- CC Rule:MF_00804}; CC Note=Binds 2 potassium ions per subunit. {ECO:0000255|HAMAP- CC Rule:MF_00804}; CC -!- PATHWAY: Amine and polyamine biosynthesis; betaine biosynthesis via CC choline pathway; betaine from betaine aldehyde: step 1/1. CC {ECO:0000255|HAMAP-Rule:MF_00804}. CC -!- SUBUNIT: Dimer of dimers. {ECO:0000255|HAMAP-Rule:MF_00804}. CC -!- SIMILARITY: Belongs to the aldehyde dehydrogenase family. CC {ECO:0000255|HAMAP-Rule:MF_00804}. CC --------------------------------------------------------------------------- CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms CC Distributed under the Creative Commons Attribution (CC BY 4.0) License CC --------------------------------------------------------------------------- DR EMBL; CP000964; ACI10905.1; -; Genomic_DNA. DR AlphaFoldDB; B5Y007; -. DR SMR; B5Y007; -. DR KEGG; kpe:KPK_3994; -. DR HOGENOM; CLU_005391_0_0_6; -. DR UniPathway; UPA00529; UER00386. DR Proteomes; UP000001734; Chromosome. DR GO; GO:0008802; F:betaine-aldehyde dehydrogenase activity; IEA:UniProtKB-UniRule. DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW. DR GO; GO:0019285; P:glycine betaine biosynthetic process from choline; IEA:UniProtKB-UniRule. DR CDD; cd07090; ALDH_F9_TMBADH; 1. DR HAMAP; MF_00804; BADH; 1. DR InterPro; IPR016161; Ald_DH/histidinol_DH. DR InterPro; IPR016163; Ald_DH_C. DR InterPro; IPR016160; Ald_DH_CS_CYS. DR InterPro; IPR029510; Ald_DH_CS_GLU. DR InterPro; IPR016162; Ald_DH_N. DR InterPro; IPR015590; Aldehyde_DH_dom. DR InterPro; IPR011264; BADH. DR NCBIfam; TIGR01804; BADH; 1. DR PANTHER; PTHR11699:SF228; 4-TRIMETHYLAMINOBUTYRALDEHYDE DEHYDROGENASE; 1. DR PANTHER; PTHR11699; ALDEHYDE DEHYDROGENASE-RELATED; 1. DR Pfam; PF00171; Aldedh; 1. DR SUPFAM; SSF53720; ALDH-like; 1. DR PROSITE; PS00070; ALDEHYDE_DEHYDR_CYS; 1. DR PROSITE; PS00687; ALDEHYDE_DEHYDR_GLU; 1. PE 3: Inferred from homology; KW Metal-binding; NAD; NADP; Oxidation; Oxidoreductase; Potassium. FT CHAIN 1..490 FT /note="Betaine aldehyde dehydrogenase" FT /id="PRO_1000133954" FT ACT_SITE 162 FT /note="Charge relay system" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00804" FT ACT_SITE 252 FT /note="Proton acceptor" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00804" FT ACT_SITE 286 FT /note="Nucleophile" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00804" FT ACT_SITE 464 FT /note="Charge relay system" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00804" FT BINDING 26 FT /ligand="K(+)" FT /ligand_id="ChEBI:CHEBI:29103" FT /ligand_label="1" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00804" FT BINDING 27 FT /ligand="K(+)" FT /ligand_id="ChEBI:CHEBI:29103" FT /ligand_label="1" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00804" FT BINDING 93 FT /ligand="K(+)" FT /ligand_id="ChEBI:CHEBI:29103" FT /ligand_label="1" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00804" FT BINDING 150..152 FT /ligand="NAD(+)" FT /ligand_id="ChEBI:CHEBI:57540" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00804" FT BINDING 176..179 FT /ligand="NAD(+)" FT /ligand_id="ChEBI:CHEBI:57540" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00804" FT BINDING 180 FT /ligand="K(+)" FT /ligand_id="ChEBI:CHEBI:29103" FT /ligand_label="1" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00804" FT BINDING 230..233 FT /ligand="NAD(+)" FT /ligand_id="ChEBI:CHEBI:57540" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00804" FT BINDING 246 FT /ligand="K(+)" FT /ligand_id="ChEBI:CHEBI:29103" FT /ligand_label="2" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00804" FT BINDING 254 FT /ligand="NAD(+)" FT /ligand_id="ChEBI:CHEBI:57540" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00804" FT BINDING 286 FT /ligand="NAD(+)" FT /ligand_id="ChEBI:CHEBI:57540" FT /note="covalent" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00804" FT BINDING 387 FT /ligand="NAD(+)" FT /ligand_id="ChEBI:CHEBI:57540" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00804" FT BINDING 457 FT /ligand="K(+)" FT /ligand_id="ChEBI:CHEBI:29103" FT /ligand_label="2" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00804" FT BINDING 460 FT /ligand="K(+)" FT /ligand_id="ChEBI:CHEBI:29103" FT /ligand_label="2" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00804" FT SITE 248 FT /note="Seems to be a necessary countercharge to the FT potassium cations" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00804" FT MOD_RES 286 FT /note="Cysteine sulfenic acid (-SOH)" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00804" SQ SEQUENCE 490 AA; 52860 MW; 65103D3653F15FF3 CRC64; MSRMAEQQLY INGGYTSATS GRTFETINPA TGEVLATVQA AGREDVDRAV ESAQRGQKIW AAMTAMERSR ILRRAVDLLR QRNDELARLE TLDTGKPLSE TAAVDIVTGA DVLEYYAGLI PALEGSQIPL RDSSFVYTRR EPLGVVAGIG AWNYPIQIAL WKSAPALAAG NAMIFKPSEV TPLTALKLAE IYSEAGLPDG VFNVLPGIGA ETGQYLTEHP GIAKISFTGG VASGKKVMAN SAASSLKEVT MELGGKSPLI IADDADLDLA ADIAMMANFY SSGQVCTNGT RVFVPAKQKA EFEHKILERV GRIRPGDLFA DDTNFGPLVS FPHRDNVLRY IESGKREGAR LLCGGEALKG DGFDNGAWVA PTVFTDCSDE MTIVREEIFG PVMSILSYTD EAEVIRRANA TEYGLAAGVV TPNLNRAHRL IHQLEAGICW INSWGESPAE MPVGGYKHSG IGRENGVMTL QSYTQVKSIQ VEMGKFQSIF //