GSHAB_DESPS
ID GSHAB_DESPS Reviewed; 779 AA.
AC Q6ANW2;
DT 05-JUL-2005, integrated into UniProtKB/Swiss-Prot.
DT 13-SEP-2004, sequence version 1.
DT 03-AUG-2022, entry version 97.
DE RecName: Full=Glutathione biosynthesis bifunctional protein GshAB {ECO:0000255|HAMAP-Rule:MF_00782};
DE AltName: Full=Gamma-GCS-GS {ECO:0000255|HAMAP-Rule:MF_00782};
DE Short=GCS-GS {ECO:0000255|HAMAP-Rule:MF_00782};
DE Includes:
DE RecName: Full=Glutamate--cysteine ligase {ECO:0000255|HAMAP-Rule:MF_00782};
DE EC=6.3.2.2 {ECO:0000255|HAMAP-Rule:MF_00782};
DE AltName: Full=Gamma-ECS {ECO:0000255|HAMAP-Rule:MF_00782};
DE Short=GCS {ECO:0000255|HAMAP-Rule:MF_00782};
DE AltName: Full=Gamma-glutamylcysteine synthetase {ECO:0000255|HAMAP-Rule:MF_00782};
DE Includes:
DE RecName: Full=Glutathione synthetase {ECO:0000255|HAMAP-Rule:MF_00782};
DE EC=6.3.2.3 {ECO:0000255|HAMAP-Rule:MF_00782};
DE AltName: Full=GSH synthetase {ECO:0000255|HAMAP-Rule:MF_00782};
DE Short=GS {ECO:0000255|HAMAP-Rule:MF_00782};
DE Short=GSH-S {ECO:0000255|HAMAP-Rule:MF_00782};
DE Short=GSHase {ECO:0000255|HAMAP-Rule:MF_00782};
DE AltName: Full=Glutathione synthase {ECO:0000255|HAMAP-Rule:MF_00782};
GN Name=gshAB {ECO:0000255|HAMAP-Rule:MF_00782};
GN Synonyms=gshF {ECO:0000255|HAMAP-Rule:MF_00782}; OrderedLocusNames=DP1233;
OS Desulfotalea psychrophila (strain LSv54 / DSM 12343).
OC Bacteria; Proteobacteria; Deltaproteobacteria; Desulfobacterales;
OC Desulfocapsaceae; Desulfotalea.
OX NCBI_TaxID=177439;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 12343 / LSv54;
RX PubMed=15305914; DOI=10.1111/j.1462-2920.2004.00665.x;
RA Rabus R., Ruepp A., Frickey T., Rattei T., Fartmann B., Stark M., Bauer M.,
RA Zibat A., Lombardot T., Becker I., Amann J., Gellner K., Teeling H.,
RA Leuschner W.D., Gloeckner F.-O., Lupas A.N., Amann R., Klenk H.-P.;
RT "The genome of Desulfotalea psychrophila, a sulfate-reducing bacterium from
RT permanently cold Arctic sediments.";
RL Environ. Microbiol. 6:887-902(2004).
CC -!- FUNCTION: Synthesizes glutathione from L-glutamate and L-cysteine via
CC gamma-L-glutamyl-L-cysteine. {ECO:0000255|HAMAP-Rule:MF_00782}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=ATP + L-cysteine + L-glutamate = ADP + gamma-L-glutamyl-L-
CC cysteine + H(+) + phosphate; Xref=Rhea:RHEA:13285, ChEBI:CHEBI:15378,
CC ChEBI:CHEBI:29985, ChEBI:CHEBI:30616, ChEBI:CHEBI:35235,
CC ChEBI:CHEBI:43474, ChEBI:CHEBI:58173, ChEBI:CHEBI:456216; EC=6.3.2.2;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_00782};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=ATP + gamma-L-glutamyl-L-cysteine + glycine = ADP +
CC glutathione + H(+) + phosphate; Xref=Rhea:RHEA:13557,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:30616, ChEBI:CHEBI:43474,
CC ChEBI:CHEBI:57305, ChEBI:CHEBI:57925, ChEBI:CHEBI:58173,
CC ChEBI:CHEBI:456216; EC=6.3.2.3; Evidence={ECO:0000255|HAMAP-
CC Rule:MF_00782};
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420; Evidence={ECO:0000250};
CC Name=Mn(2+); Xref=ChEBI:CHEBI:29035; Evidence={ECO:0000250};
CC Note=Binds 2 magnesium or manganese ions per subunit. {ECO:0000250};
CC -!- PATHWAY: Sulfur metabolism; glutathione biosynthesis; glutathione from
CC L-cysteine and L-glutamate: step 1/2. {ECO:0000255|HAMAP-
CC Rule:MF_00782}.
CC -!- PATHWAY: Sulfur metabolism; glutathione biosynthesis; glutathione from
CC L-cysteine and L-glutamate: step 2/2. {ECO:0000255|HAMAP-
CC Rule:MF_00782}.
CC -!- SUBUNIT: Monomer. {ECO:0000255|HAMAP-Rule:MF_00782}.
CC -!- SIMILARITY: In the N-terminal section; belongs to the glutamate--
CC cysteine ligase type 1 family. Type 2 subfamily. {ECO:0000255|HAMAP-
CC Rule:MF_00782}.
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DR EMBL; CR522870; CAG35962.1; -; Genomic_DNA.
DR RefSeq; WP_011188474.1; NC_006138.1.
DR AlphaFoldDB; Q6ANW2; -.
DR SMR; Q6ANW2; -.
DR STRING; 177439.DP1233; -.
DR EnsemblBacteria; CAG35962; CAG35962; DP1233.
DR KEGG; dps:DP1233; -.
DR eggNOG; COG0189; Bacteria.
DR eggNOG; COG2918; Bacteria.
DR HOGENOM; CLU_020728_1_0_7; -.
DR OMA; EANFNPM; -.
DR OrthoDB; 250578at2; -.
DR UniPathway; UPA00142; UER00209.
DR UniPathway; UPA00142; UER00210.
DR Proteomes; UP000000602; Chromosome.
DR GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR GO; GO:0004357; F:glutamate-cysteine ligase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0004363; F:glutathione synthase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR Gene3D; 3.30.1490.20; -; 1.
DR HAMAP; MF_00782; Glut_biosynth; 1.
DR InterPro; IPR011761; ATP-grasp.
DR InterPro; IPR013651; ATP-grasp_RimK-type.
DR InterPro; IPR013815; ATP_grasp_subdomain_1.
DR InterPro; IPR014746; Gln_synth/guanido_kin_cat_dom.
DR InterPro; IPR007370; Glu_cys_ligase.
DR InterPro; IPR006335; Glut_biosynth.
DR InterPro; IPR006334; Glut_cys_ligase.
DR InterPro; IPR040657; GshAB_ATP-grasp.
DR PANTHER; PTHR38761; PTHR38761; 1.
DR Pfam; PF18419; ATP-grasp_6; 1.
DR Pfam; PF04262; Glu_cys_ligase; 1.
DR Pfam; PF08443; RimK; 1.
DR SUPFAM; SSF55931; SSF55931; 1.
DR PROSITE; PS50975; ATP_GRASP; 1.
PE 3: Inferred from homology;
KW ATP-binding; Glutathione biosynthesis; Ligase; Magnesium; Manganese;
KW Metal-binding; Multifunctional enzyme; Nucleotide-binding;
KW Reference proteome.
FT CHAIN 1..779
FT /note="Glutathione biosynthesis bifunctional protein GshAB"
FT /id="PRO_0000192550"
FT DOMAIN 512..768
FT /note="ATP-grasp"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00782"
FT REGION 1..346
FT /note="Glutamate--cysteine ligase"
FT BINDING 539..597
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00782"
FT BINDING 719
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00782"
FT BINDING 719
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /ligand_label="1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00782"
FT BINDING 738
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00782"
FT BINDING 738
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00782"
FT BINDING 738
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /ligand_label="1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00782"
FT BINDING 738
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /ligand_label="2"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00782"
FT BINDING 740
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00782"
FT BINDING 740
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /ligand_label="2"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00782"
SQ SEQUENCE 779 AA; 89336 MW; 1985FBD93F20889E CRC64;
MAFSKNILDS LPPLISKQIF EGFFGFEKEN IRVDSRGKLA LTPHPRELGE KTSHPYITTD
FSESQIEIIT PPLPSIAESL GFLETLHDLV SIELKDEYLW PQSAPPILPE REEDIPIAHF
GGEFREQEEY RLQLAKIYGR KRQMFSGIHF NISLPERFLE LLHEEGKQEQ PFAEFREDIY
MKTVRNFLRH RWFLICLLGA SPVIHKSYRK HCIDMLSPFA KDAYHFPYAT SIRNNICGYR
NTQDFHLNYS TLTDYRESLQ ELVEKKVLRD IRENYAPIRI KTTTDPKRIN HLEIRLLDLN
PFFKTGVNPL HAEIIHIFLI YCLLCPEETS FTSKEQETAN RNQEQAATEG LNPGAIICDA
DGNEQRLDKQ LAHCLQEIQQ TVSPHLPPEY RAGMEELERL VQNQASRPTD TLLKEIKQEG
FTEWHMKQAL KFLKKSHDEQ FIFHGLRDME LSTQLLLRRA ALRGVSFEIM DRQENFVCLE
QAGKREYVMQ ASRTSLDNYI SVLSMENKVI TKKILDQAGI NTPKGRSYSS PSEALADYPY
YRGRAIVIKP KSTNFGIGIT IIKENNRHDF FAQGIAQAFK HEATVLIENF SSGKEYRFFI
VNDQVVGILH RVPANVTGDG TSSVQVLVTE KNKNPLRGRG YRTPLEKIKL EETEEMFLAS
QGYSFATVPA KDQRIYLREN SNISTGGDSI DFTDKVPQSY KDIAVRAAQA LQVKITGLDM
MIDSLEEDAA EDNFSIIELN FNPAIHIHCH PYIGKNRHLD DKILDALGFT GAEEAGEKA
