ID   NODB_BRASP              Reviewed;         219 AA.
AC   P04675;
DT   13-AUG-1987, integrated into UniProtKB/Swiss-Prot.
DT   01-FEB-1996, sequence version 2.
DT   03-AUG-2022, entry version 81.
DE   RecName: Full=Chitooligosaccharide deacetylase;
DE            EC=3.5.1.-;
DE   AltName: Full=Nodulation protein B;
GN   Name=nodB;
OS   Bradyrhizobium sp. (strain ANU 289).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomicrobiales;
OC   Bradyrhizobiaceae; Bradyrhizobium; unclassified Bradyrhizobium.
OX   NCBI_TaxID=186901;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=3960737; DOI=10.1093/nar/14.7.2905;
RA   Scott K.F.;
RT   "Conserved nodulation genes from the non-legume symbiont Bradyrhizobium sp.
RT   (Parasponia).";
RL   Nucleic Acids Res. 14:2905-2919(1986).
CC   -!- FUNCTION: Is involved in generating a small heat-stable compound (Nod),
CC       an acylated oligomer of N-acetylglucosamine, that stimulates mitosis in
CC       various plant protoplasts.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm.
CC   -!- SIMILARITY: Belongs to the polysaccharide deacetylase family.
CC       {ECO:0000305}.
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DR   EMBL; X03720; CAA27349.1; -; Genomic_DNA.
DR   PIR; B26813; B26813.
DR   AlphaFoldDB; P04675; -.
DR   SMR; P04675; -.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0016810; F:hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds; IEA:InterPro.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   GO; GO:0005975; P:carbohydrate metabolic process; IEA:InterPro.
DR   InterPro; IPR011330; Glyco_hydro/deAcase_b/a-brl.
DR   InterPro; IPR002509; NODB_dom.
DR   InterPro; IPR026402; Nodulat_NodB.
DR   Pfam; PF01522; Polysacc_deac_1; 1.
DR   SUPFAM; SSF88713; SSF88713; 1.
DR   TIGRFAMs; TIGR04243; nodulat_NodB; 1.
DR   PROSITE; PS51677; NODB; 1.
PE   3: Inferred from homology;
KW   Cytoplasm; Hydrolase; Metal-binding; Nodulation.
FT   CHAIN           1..219
FT                   /note="Chitooligosaccharide deacetylase"
FT                   /id="PRO_0000172749"
FT   DOMAIN          21..213
FT                   /note="NodB homology"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU01014"
FT   ACT_SITE        28
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000250"
FT   ACT_SITE        174
FT                   /note="Proton donor"
FT                   /evidence="ECO:0000250"
FT   BINDING         79
FT                   /ligand="a divalent metal cation"
FT                   /ligand_id="ChEBI:CHEBI:60240"
FT                   /evidence="ECO:0000250"
FT   BINDING         83
FT                   /ligand="a divalent metal cation"
FT                   /ligand_id="ChEBI:CHEBI:60240"
FT                   /evidence="ECO:0000250"
FT   SITE            148
FT                   /note="Raises pKa of active site His"
FT                   /evidence="ECO:0000250"
SQ   SEQUENCE   219 AA;  24280 MW;  1470FA942818B340 CRC64;
     MTEFIPLFAV RRNYGDVSGT RSVYLTFDDG PNPFCTPDVL DVLTQHRVPA TFFVIGTYVA
     NQPELIRRMV AEGHEVANHT MTHPDLSRCE PAEVHDEVLT ASRAIRSACP QALPRHMRAP
     YGIWTQDVLA TSAKAGLAAV HWSVDPRDWA RPGVDRIVSS VLAAIRPGAI VLLHDGYPPG
     EERSCTDATS RDQTVRALSY LIPALQRRGF EIHPLPQLH