MDM12_CHAGB
ID MDM12_CHAGB Reviewed; 492 AA.
AC Q2HDE7;
DT 22-SEP-2009, integrated into UniProtKB/Swiss-Prot.
DT 22-SEP-2009, sequence version 2.
DT 25-MAY-2022, entry version 53.
DE RecName: Full=Mitochondrial distribution and morphology protein 12 {ECO:0000255|HAMAP-Rule:MF_03104};
DE AltName: Full=Mitochondrial inheritance component MDM12 {ECO:0000255|HAMAP-Rule:MF_03104};
GN Name=MDM12 {ECO:0000255|HAMAP-Rule:MF_03104}; ORFNames=CHGG_01757;
OS Chaetomium globosum (strain ATCC 6205 / CBS 148.51 / DSM 1962 / NBRC 6347 /
OS NRRL 1970) (Soil fungus).
OC Eukaryota; Fungi; Dikarya; Ascomycota; Pezizomycotina; Sordariomycetes;
OC Sordariomycetidae; Sordariales; Chaetomiaceae; Chaetomium.
OX NCBI_TaxID=306901;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 6205 / CBS 148.51 / DSM 1962 / NBRC 6347 / NRRL 1970;
RX PubMed=25720678; DOI=10.1128/genomea.00021-15;
RA Cuomo C.A., Untereiner W.A., Ma L.-J., Grabherr M., Birren B.W.;
RT "Draft genome sequence of the cellulolytic fungus Chaetomium globosum.";
RL Genome Announc. 3:E0002115-E0002115(2015).
CC -!- FUNCTION: Component of the ERMES/MDM complex, which serves as a
CC molecular tether to connect the endoplasmic reticulum (ER) and
CC mitochondria. Components of this complex are involved in the control of
CC mitochondrial shape and protein biogenesis, and function in
CC nonvesicular lipid trafficking between the ER and mitochondria. MDM12
CC is required for the interaction of the ER-resident membrane protein
CC MMM1 and the outer mitochondrial membrane-resident beta-barrel protein
CC MDM10. The MDM12-MMM1 subcomplex functions in the major beta-barrel
CC assembly pathway that is responsible for biogenesis of all
CC mitochondrial outer membrane beta-barrel proteins, and acts in a late
CC step after the SAM complex. The MDM10-MDM12-MMM1 subcomplex further
CC acts in the TOM40-specific pathway after the action of the MDM12-MMM1
CC complex. Essential for establishing and maintaining the structure of
CC mitochondria and maintenance of mtDNA nucleoids. {ECO:0000255|HAMAP-
CC Rule:MF_03104}.
CC -!- SUBUNIT: Component of the ER-mitochondria encounter structure (ERMES)
CC or MDM complex, composed of MMM1, MDM10, MDM12 and MDM34. A MMM1
CC homodimer associates with one molecule of MDM12 on each side in a
CC pairwise head-to-tail manner, and the SMP-LTD domains of MMM1 and MDM12
CC generate a continuous hydrophobic tunnel for phospholipid trafficking.
CC {ECO:0000255|HAMAP-Rule:MF_03104}.
CC -!- SUBCELLULAR LOCATION: Mitochondrion outer membrane {ECO:0000255|HAMAP-
CC Rule:MF_03104}; Peripheral membrane protein {ECO:0000255|HAMAP-
CC Rule:MF_03104}; Cytoplasmic side {ECO:0000255|HAMAP-Rule:MF_03104}.
CC Endoplasmic reticulum membrane {ECO:0000255|HAMAP-Rule:MF_03104};
CC Peripheral membrane protein {ECO:0000255|HAMAP-Rule:MF_03104};
CC Cytoplasmic side {ECO:0000255|HAMAP-Rule:MF_03104}. Note=The ERMES/MDM
CC complex localizes to a few discrete foci (around 10 per single cell),
CC that represent mitochondria-endoplasmic reticulum junctions. These foci
CC are often found next to mtDNA nucleoids. {ECO:0000255|HAMAP-
CC Rule:MF_03104}.
CC -!- DOMAIN: The SMP-LTD domain is a barrel-like domain that can bind
CC various types of glycerophospholipids in its interior and mediate their
CC transfer between two adjacent bilayers. {ECO:0000255|HAMAP-
CC Rule:MF_03104}.
CC -!- SIMILARITY: Belongs to the MDM12 family. {ECO:0000255|HAMAP-
CC Rule:MF_03104}.
CC -!- SEQUENCE CAUTION:
CC Sequence=EAQ93522.1; Type=Erroneous gene model prediction; Evidence={ECO:0000305};
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DR EMBL; CH408029; EAQ93522.1; ALT_SEQ; Genomic_DNA.
DR RefSeq; XP_001220978.1; XM_001220977.1.
DR AlphaFoldDB; Q2HDE7; -.
DR STRING; 38033.XP_001220978.1; -.
DR EnsemblFungi; EAQ93522; EAQ93522; CHGG_01757.
DR GeneID; 4386894; -.
DR eggNOG; ENOG502S3PB; Eukaryota.
DR HOGENOM; CLU_026794_0_0_1; -.
DR InParanoid; Q2HDE7; -.
DR OrthoDB; 1179924at2759; -.
DR Proteomes; UP000001056; Unassembled WGS sequence.
DR GO; GO:0005789; C:endoplasmic reticulum membrane; IEA:UniProtKB-SubCell.
DR GO; GO:0032865; C:ERMES complex; IEA:UniProtKB-UniRule.
DR GO; GO:0008289; F:lipid binding; IEA:UniProtKB-KW.
DR GO; GO:0006869; P:lipid transport; IEA:UniProtKB-KW.
DR GO; GO:0000002; P:mitochondrial genome maintenance; IEA:UniProtKB-UniRule.
DR GO; GO:0045040; P:protein insertion into mitochondrial outer membrane; IEA:UniProtKB-UniRule.
DR HAMAP; MF_03104; Mdm12; 1.
DR InterPro; IPR027532; Mdm12.
DR InterPro; IPR031468; SMP_LBD.
DR PANTHER; PTHR28204; PTHR28204; 1.
DR PROSITE; PS51847; SMP; 1.
PE 3: Inferred from homology;
KW Endoplasmic reticulum; Lipid transport; Lipid-binding; Membrane;
KW Mitochondrion; Mitochondrion outer membrane; Reference proteome; Transport.
FT CHAIN 1..492
FT /note="Mitochondrial distribution and morphology protein
FT 12"
FT /id="PRO_0000384281"
FT DOMAIN 1..492
FT /note="SMP-LTD"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03104"
FT REGION 68..158
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT REGION 199..301
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT REGION 379..434
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 199..217
FT /note="Polar residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 233..295
FT /note="Polar residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 392..430
FT /note="Polar residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ SEQUENCE 492 AA; 52620 MW; 3AD0BDF21E8F02F9 CRC64;
MSIDLNWETV TGGPDGQELA DQIRDFIHTK FQSVPLPRFI KSVTVHDFQF GVIPPELELK
DITDPLPDFY EDHVDSDVAS DDSEGEEDAV DNNLAPPSQG ERHQRTDDSE ALGGDVRNLG
HLPPHLMFGS PGGPGGPGMG SLRNGDMGSP FMRVSTPGIP GGTSNLHYFH SHLGGGLSGT
QTPLAAVAGA QHLSTANWLE GHGHSSSVPN LTHFGNPGGA GTSPRRQPER NHSRNPSQGS
ISVADLNPNS LAPPSSSTLG VPSLKEKHST TPAPGSATAL SGSNEQQQQQ QPQDNDDGHP
RWREQRIDDM QAVFRIRYAG DVKLLLTADI LLDYPMPSFV GIPVRLSITG LTFDGVGVLA
KIRKRVHFCF LSPEDAAAAV GGDGEEGLSS PGEGPSQAQG QGQGQGQGQG QGQTPGAGQQ
KQQKKQAGWV GSGNTKLGGL LQEIRVESEI GQRESGRQSL KNVGKVERFV LEQVRRIFEE
EFVYPSFWTF LV