ID   GLNB1_METBA             Reviewed;         105 AA.
AC   P54808;
DT   01-OCT-1996, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-1996, sequence version 1.
DT   25-MAY-2022, entry version 76.
DE   RecName: Full=Nitrogen fixation nifHD1 region GlnB-like protein 1;
DE   AltName: Full=ORF-105;
GN   Name=glnBA;
OS   Methanosarcina barkeri.
OC   Archaea; Euryarchaeota; Stenosarchaea group; Methanomicrobia;
OC   Methanosarcinales; Methanosarcinaceae; Methanosarcina.
OX   NCBI_TaxID=2208;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=ATCC 43241 / DSM 1538 / 227;
RX   PubMed=2068380; DOI=10.1016/0923-2508(91)90091-n;
RA   Sibold L., Henriquet M., Possot O., Aubert J.-P.;
RT   "Nucleotide sequence of nifH regions from Methanobacterium ivanovii and
RT   Methanosarcina barkeri 227 and characterization of glnB-like genes.";
RL   Res. Microbiol. 142:5-12(1991).
CC   -!- FUNCTION: Could be involved in the regulation of nitrogen fixation.
CC   -!- SIMILARITY: Belongs to the P(II) protein family. {ECO:0000255|PROSITE-
CC       ProRule:PRU00675}.
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DR   EMBL; X56073; CAA39557.1; -; Genomic_DNA.
DR   AlphaFoldDB; P54808; -.
DR   SMR; P54808; -.
DR   GO; GO:0030234; F:enzyme regulator activity; IEA:InterPro.
DR   GO; GO:0009399; P:nitrogen fixation; IEA:UniProtKB-KW.
DR   GO; GO:0006808; P:regulation of nitrogen utilization; IEA:InterPro.
DR   Gene3D; 3.30.70.120; -; 1.
DR   InterPro; IPR002187; N-reg_PII.
DR   InterPro; IPR011322; N-reg_PII-like_a/b.
DR   InterPro; IPR015867; N-reg_PII/ATP_PRibTrfase_C.
DR   InterPro; IPR017918; N-reg_PII_CS.
DR   PANTHER; PTHR30115; PTHR30115; 1.
DR   Pfam; PF00543; P-II; 1.
DR   PRINTS; PR00340; PIIGLNB.
DR   SMART; SM00938; P-II; 1.
DR   SUPFAM; SSF54913; SSF54913; 1.
DR   PROSITE; PS00638; PII_GLNB_CTER; 1.
DR   PROSITE; PS51343; PII_GLNB_DOM; 1.
PE   3: Inferred from homology;
KW   Nitrogen fixation; Transcription; Transcription regulation.
FT   CHAIN           1..105
FT                   /note="Nitrogen fixation nifHD1 region GlnB-like protein 1"
FT                   /id="PRO_0000139800"
SQ   SEQUENCE   105 AA;  11875 MW;  4D1EF731BE223D89 CRC64;
     MQMIRAIIRP GMETKVIECL EKEGCISLTK MEVFGRGKQK GIHIADISYD ELQKTMLLMV
     VEDEHKDRAI KTIMESARTG KYGDGRIFVT PVEEAYTIRT GKPGL