ID   GATB_RICCO              Reviewed;         549 AA.
AC   B9SQR9;
DT   19-OCT-2011, integrated into UniProtKB/Swiss-Prot.
DT   24-MAR-2009, sequence version 1.
DT   03-AUG-2022, entry version 54.
DE   RecName: Full=Glutamyl-tRNA(Gln) amidotransferase subunit B, chloroplastic/mitochondrial {ECO:0000255|HAMAP-Rule:MF_03147};
DE            Short=Glu-AdT subunit B {ECO:0000255|HAMAP-Rule:MF_03147};
DE            EC=6.3.5.- {ECO:0000255|HAMAP-Rule:MF_03147};
GN   Name=GATB {ECO:0000255|HAMAP-Rule:MF_03147}; ORFNames=RCOM_1216950;
OS   Ricinus communis (Castor bean).
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC   rosids; fabids; Malpighiales; Euphorbiaceae; Acalyphoideae; Acalypheae;
OC   Ricinus.
OX   NCBI_TaxID=3988;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=cv. Hale;
RX   PubMed=20729833; DOI=10.1038/nbt.1674;
RA   Chan A.P., Crabtree J., Zhao Q., Lorenzi H., Orvis J., Puiu D.,
RA   Melake-Berhan A., Jones K.M., Redman J., Chen G., Cahoon E.B., Gedil M.,
RA   Stanke M., Haas B.J., Wortman J.R., Fraser-Liggett C.M., Ravel J.,
RA   Rabinowicz P.D.;
RT   "Draft genome sequence of the oilseed species Ricinus communis.";
RL   Nat. Biotechnol. 28:951-956(2010).
CC   -!- FUNCTION: Allows the formation of correctly charged Gln-tRNA(Gln)
CC       through the transamidation of misacylated Glu-tRNA(Gln) in chloroplasts
CC       and mitochondria. The reaction takes place in the presence of glutamine
CC       and ATP through an activated gamma-phospho-Glu-tRNA(Gln).
CC       {ECO:0000255|HAMAP-Rule:MF_03147}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=ATP + H2O + L-glutamine + L-glutamyl-tRNA(Gln) = ADP + H(+) +
CC         L-glutamate + L-glutaminyl-tRNA(Gln) + phosphate;
CC         Xref=Rhea:RHEA:17521, Rhea:RHEA-COMP:9681, Rhea:RHEA-COMP:9684,
CC         ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, ChEBI:CHEBI:29985,
CC         ChEBI:CHEBI:30616, ChEBI:CHEBI:43474, ChEBI:CHEBI:58359,
CC         ChEBI:CHEBI:78520, ChEBI:CHEBI:78521, ChEBI:CHEBI:456216;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_03147};
CC   -!- SUBUNIT: Subunit of the heterotrimeric GatCAB amidotransferase (AdT)
CC       complex, composed of A, B and C subunits. {ECO:0000255|HAMAP-
CC       Rule:MF_03147}.
CC   -!- SUBCELLULAR LOCATION: Mitochondrion {ECO:0000255|HAMAP-Rule:MF_03147}.
CC       Plastid, chloroplast {ECO:0000255|HAMAP-Rule:MF_03147}.
CC   -!- MISCELLANEOUS: This protein may be expected to contain an N-terminal
CC       transit peptide but none has been predicted. {ECO:0000255|HAMAP-
CC       Rule:MF_03147}.
CC   -!- SIMILARITY: Belongs to the GatB/GatE family. GatB subfamily.
CC       {ECO:0000255|HAMAP-Rule:MF_03147}.
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DR   EMBL; EQ974090; EEF34010.1; -; Genomic_DNA.
DR   AlphaFoldDB; B9SQR9; -.
DR   SMR; B9SQR9; -.
DR   STRING; 3988.XP_002528338.1; -.
DR   PRIDE; B9SQR9; -.
DR   eggNOG; KOG2438; Eukaryota.
DR   InParanoid; B9SQR9; -.
DR   Proteomes; UP000008311; Unassembled WGS sequence.
DR   GO; GO:0009507; C:chloroplast; IEA:UniProtKB-SubCell.
DR   GO; GO:0030956; C:glutamyl-tRNA(Gln) amidotransferase complex; IBA:GO_Central.
DR   GO; GO:0005739; C:mitochondrion; IBA:GO_Central.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-KW.
DR   GO; GO:0050567; F:glutaminyl-tRNA synthase (glutamine-hydrolyzing) activity; IBA:GO_Central.
DR   GO; GO:0070681; P:glutaminyl-tRNAGln biosynthesis via transamidation; IBA:GO_Central.
DR   GO; GO:0032543; P:mitochondrial translation; IBA:GO_Central.
DR   Gene3D; 1.10.10.410; -; 1.
DR   Gene3D; 1.10.150.380; -; 1.
DR   HAMAP; MF_00121; GatB; 1.
DR   InterPro; IPR004413; Apn/Gln-ADT_bsu.
DR   InterPro; IPR017959; Asn/Gln-tRNA_amidoTrfase_suB/E.
DR   InterPro; IPR006075; Asn/Gln-tRNA_Trfase_suB/E_cat.
DR   InterPro; IPR018027; Asn/Gln_amidotransferase.
DR   InterPro; IPR003789; Asn/Gln_tRNA_amidoTrase-B-like.
DR   InterPro; IPR042114; GatB_C_1.
DR   InterPro; IPR023168; GatB_Yqey_C_2.
DR   InterPro; IPR017958; Gln-tRNA_amidoTrfase_suB_CS.
DR   InterPro; IPR014746; Gln_synth/guanido_kin_cat_dom.
DR   PANTHER; PTHR11659; PTHR11659; 1.
DR   Pfam; PF02934; GatB_N; 1.
DR   Pfam; PF02637; GatB_Yqey; 1.
DR   SMART; SM00845; GatB_Yqey; 1.
DR   SUPFAM; SSF55931; SSF55931; 1.
DR   SUPFAM; SSF89095; SSF89095; 1.
DR   TIGRFAMs; TIGR00133; gatB; 1.
DR   PROSITE; PS01234; GATB; 1.
PE   3: Inferred from homology;
KW   ATP-binding; Chloroplast; Ligase; Mitochondrion; Nucleotide-binding;
KW   Plastid; Protein biosynthesis; Reference proteome.
FT   CHAIN           1..549
FT                   /note="Glutamyl-tRNA(Gln) amidotransferase subunit B,
FT                   chloroplastic/mitochondrial"
FT                   /id="PRO_0000413234"
SQ   SEQUENCE   549 AA;  60766 MW;  D87DD1A123343DBF CRC64;
     MASTLFRNIQ THPLLLYPTS FFRRKSSVFY CTVNSTSPTA TQEKQQCPRI KVSPQTQSKS
     LDKLTKDYET IIGIETHVQL STLTKAFCSC PYNYGAQPNS TICPVCMGLP GALPVLNSKV
     IEFAVKLGLA LNCKLSLNSK FDRKQYFYPD LPKGYQISQF DIPIATSGYV DLDLPVEFGG
     GHRRFGITRV HMEEDAGKLL HSGGGISGAI VDLNRAGVPL LEIVSEPDMR NGIEAAEYAA
     ELQRVVRYLG VSNGNMQEGS LRCDVNVSIR PIGQSEFGTK VEIKNLNSFS SINRAIDFEI
     SRQVLLHSQG QSDSIVQETR LWEEGAQKTV TMRKKEGLSD YRYFPEPDLP EVVLTEEYVD
     SIQSSLPELP ETKRRRYENM GLSMQDVLFL ANDTSVAEFF DATIAQGAQV KLAANWIMGD
     IAAYMKNEKV SINEIKLTPK ELAELIASIK GGIISGKIGK EILFELIAKG GTVKGLIKEK
     DLVQIVDPAE IEKMVDKVLS ENPKQLEQYR AGKTKLQGFF AGQVMKASKG KANPGLLNKI
     LQEKLNAKS