ID A6R963_AJECN Unreviewed; 797 AA.
AC A6R963;
DT 21-AUG-2007, integrated into UniProtKB/TrEMBL.
DT 21-AUG-2007, sequence version 1.
DT 27-MAR-2024, entry version 79.
DE RecName: Full=Homoaconitase, mitochondrial {ECO:0000256|ARBA:ARBA00021560, ECO:0000256|RuleBase:RU362038};
DE EC=4.2.1.36 {ECO:0000256|ARBA:ARBA00012022, ECO:0000256|RuleBase:RU362038};
DE AltName: Full=Homoaconitate hydratase {ECO:0000256|ARBA:ARBA00032706, ECO:0000256|RuleBase:RU362038};
GN ORFNames=HCAG_06854 {ECO:0000313|EMBL:EDN09687.1};
OS Ajellomyces capsulatus (strain NAm1 / WU24) (Darling's disease fungus)
OS (Histoplasma capsulatum).
OC Eukaryota; Fungi; Dikarya; Ascomycota; Pezizomycotina; Eurotiomycetes;
OC Eurotiomycetidae; Onygenales; Ajellomycetaceae; Histoplasma.
OX NCBI_TaxID=2059318 {ECO:0000313|EMBL:EDN09687.1, ECO:0000313|Proteomes:UP000009297};
RN [1] {ECO:0000313|Proteomes:UP000009297}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=NAm1 / WU24 {ECO:0000313|Proteomes:UP000009297};
RX PubMed=19717792; DOI=10.1101/gr.087551.108;
RA Sharpton T.J., Stajich J.E., Rounsley S.D., Gardner M.J., Wortman J.R.,
RA Jordar V.S., Maiti R., Kodira C.D., Neafsey D.E., Zeng Q., Hung C.-Y.,
RA McMahan C., Muszewska A., Grynberg M., Mandel M.A., Kellner E.M.,
RA Barker B.M., Galgiani J.N., Orbach M.J., Kirkland T.N., Cole G.T.,
RA Henn M.R., Birren B.W., Taylor J.W.;
RT "Comparative genomic analyses of the human fungal pathogens Coccidioides
RT and their relatives.";
RL Genome Res. 19:1722-1731(2009).
CC -!- FUNCTION: Catalyzes the reversible hydration of cis-homoaconitate to
CC (2R,3S)-homoisocitrate, a step in the alpha-aminoadipate pathway for
CC lysine biosynthesis. {ECO:0000256|ARBA:ARBA00003422,
CC ECO:0000256|RuleBase:RU362038}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=(2R,3S)-homoisocitrate = cis-homoaconitate + H2O;
CC Xref=Rhea:RHEA:15485, ChEBI:CHEBI:15377, ChEBI:CHEBI:15404,
CC ChEBI:CHEBI:58174; EC=4.2.1.36;
CC Evidence={ECO:0000256|ARBA:ARBA00029338,
CC ECO:0000256|RuleBase:RU362038};
CC -!- COFACTOR:
CC Name=[4Fe-4S] cluster; Xref=ChEBI:CHEBI:49883;
CC Evidence={ECO:0000256|RuleBase:RU362038};
CC Note=Binds 1 [4Fe-4S] cluster per subunit.
CC {ECO:0000256|RuleBase:RU362038};
CC -!- PATHWAY: Amino-acid biosynthesis; L-lysine biosynthesis via AAA
CC pathway; L-alpha-aminoadipate from 2-oxoglutarate: step 3/5.
CC {ECO:0000256|ARBA:ARBA00005106, ECO:0000256|RuleBase:RU362038}.
CC -!- SUBCELLULAR LOCATION: Mitochondrion {ECO:0000256|ARBA:ARBA00004173,
CC ECO:0000256|RuleBase:RU362038}.
CC -!- SIMILARITY: Belongs to the aconitase/IPM isomerase family.
CC {ECO:0000256|ARBA:ARBA00007185, ECO:0000256|RuleBase:RU362038}.
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DR EMBL; CH476660; EDN09687.1; -; Genomic_DNA.
DR AlphaFoldDB; A6R963; -.
DR STRING; 339724.A6R963; -.
DR VEuPathDB; FungiDB:HCAG_06854; -.
DR HOGENOM; CLU_006714_3_1_1; -.
DR OMA; WVKNSIS; -.
DR OrthoDB; 1122834at2759; -.
DR UniPathway; UPA00033; UER01027.
DR Proteomes; UP000009297; Unassembled WGS sequence.
DR GO; GO:0005739; C:mitochondrion; IEA:UniProtKB-SubCell.
DR GO; GO:0051539; F:4 iron, 4 sulfur cluster binding; IEA:UniProtKB-UniRule.
DR GO; GO:0004409; F:homoaconitate hydratase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-UniRule.
DR GO; GO:0019878; P:lysine biosynthetic process via aminoadipic acid; IEA:UniProtKB-UniRule.
DR CDD; cd01674; Homoaconitase_Swivel; 1.
DR Gene3D; 3.30.499.10; Aconitase, domain 3; 2.
DR Gene3D; 3.20.19.10; Aconitase, domain 4; 1.
DR InterPro; IPR015931; Acnase/IPM_dHydase_lsu_aba_1/3.
DR InterPro; IPR001030; Acoase/IPM_deHydtase_lsu_aba.
DR InterPro; IPR015928; Aconitase/3IPM_dehydase_swvl.
DR InterPro; IPR018136; Aconitase_4Fe-4S_BS.
DR InterPro; IPR036008; Aconitase_4Fe-4S_dom.
DR InterPro; IPR000573; AconitaseA/IPMdHydase_ssu_swvl.
DR InterPro; IPR004418; Homoaconitase_mito.
DR InterPro; IPR039386; Homoaconitase_swivel.
DR NCBIfam; TIGR00139; h_aconitase; 1.
DR PANTHER; PTHR43822:SF25; HOMOACONITASE, MITOCHONDRIAL; 1.
DR PANTHER; PTHR43822; HOMOACONITASE, MITOCHONDRIAL-RELATED; 1.
DR Pfam; PF00330; Aconitase; 1.
DR Pfam; PF00694; Aconitase_C; 1.
DR PRINTS; PR00415; ACONITASE.
DR SUPFAM; SSF53732; Aconitase iron-sulfur domain; 1.
DR SUPFAM; SSF52016; LeuD/IlvD-like; 1.
DR PROSITE; PS00450; ACONITASE_1; 1.
DR PROSITE; PS01244; ACONITASE_2; 1.
PE 3: Inferred from homology;
KW Amino-acid biosynthesis {ECO:0000256|RuleBase:RU362038};
KW Iron {ECO:0000256|ARBA:ARBA00023004, ECO:0000256|RuleBase:RU362038};
KW Iron-sulfur {ECO:0000256|ARBA:ARBA00023014, ECO:0000256|RuleBase:RU362038};
KW Lyase {ECO:0000256|ARBA:ARBA00023239, ECO:0000256|RuleBase:RU362038};
KW Lysine biosynthesis {ECO:0000256|ARBA:ARBA00023154,
KW ECO:0000256|RuleBase:RU362038};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723,
KW ECO:0000256|RuleBase:RU362038};
KW Mitochondrion {ECO:0000256|ARBA:ARBA00023128,
KW ECO:0000256|RuleBase:RU362038};
KW Reference proteome {ECO:0000313|Proteomes:UP000009297};
KW Transit peptide {ECO:0000256|ARBA:ARBA00022946,
KW ECO:0000256|RuleBase:RU362038}.
FT DOMAIN 71..515
FT /note="Aconitase/3-isopropylmalate dehydratase large
FT subunit alpha/beta/alpha"
FT /evidence="ECO:0000259|Pfam:PF00330"
FT DOMAIN 606..719
FT /note="Aconitase A/isopropylmalate dehydratase small
FT subunit swivel"
FT /evidence="ECO:0000259|Pfam:PF00694"
FT REGION 576..601
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 576..598
FT /note="Polar residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ SEQUENCE 797 AA; 85984 MW; CE01BA91E7D1F368 CRC64;
MIIRSFAATH SPRILPRTPL SVQRCYRPFS ASTWTFHPDV FHSQREDPST AAILSSLESA
TAPEPQTLVE KIVQKYSVGL APGKKVRSGD YVTISPYKCM THDNSWPVAL KFMSIGASKL
QDRKQIVMTL DHDVQNKSEK NLLKYQQIEQ FAKTHGVDFY PAGRGIGHQI MVEEGYAWPG
TLVVASDSHS NMYGGVGCLG TPVVRTDAAS IWATGKTWWQ IPPVAKVNFT GVLPKGVTGK
DVIVALCGLF DKDDVLNHAI EFTGSEETMR SLAIDDRLTI ANMTTEWGAL AGIFPVDNIL
KGWLRSKATA AAMWVSSVNG LPSSANTRFT HSQLDKVLER PLAADKGAKY SKELSLDLST
LAPYVSGPNS VKVATPLDKL EAQDIKVNKA YLVSCTNSRA SDLAAAAKVF RQAAEKNDGK
IPKLADGVKF YIAAASIPEQ NAAEEAGDWQ VLVEAGAQPL PAGCGPCIGL GTGLLEPGEV
GISATNRNFK GRMGSTEAKA YLASPEVVAA SALRGTISGP GWYEKPEGWA GVSRGEGVGI
KEEDRMLTAE EAIANVIGQL DNMVEDAEKI YGNEAISSTS TSQPSQQSKQ QEEPGTDSSA
LTELFPGFPE CVSGEIIFCD ADNINTDGIY PGKYTYQDNI STDQMAQVCM SNYDAAFSQL
TRAGDILVTG YNFGCGSSRE QAATAILAKR IPLVVAGSFG NIFSRNSINN ALMGLEVPRL
IQRLRESFSS TGAGKKALTR RTGWTLTWDV RRSRIEVQEG EGGEKWTHKV GELPPNVQEI
IARGGLEKWV KNAIAES
//
