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1.N.6.1.1
The mitochondrial inner/outer membrane fusion complex, Fzo/Mgm1/Ugo1. Only the Ugo1 protein is a member of the MC superfamily, and PCD2 is a functional domain required for mitochondrial fusion.  It has a single carrier domain (Coonrod et al. 2007).

Accession Number:P32266
Protein Name:Dynamin-like GTPase MGM1, mitochondrial
Length:881
Molecular Weight:99178.00
Species:Saccharomyces cerevisiae (Baker's yeast) [4932]
Number of TMSs:1
Location1 / Topology2 / Orientation3: Mitochondrion inner membrane1 / Peripheral membrane protein2 / Intermembrane side3
Substrate

Cross database links:

DIP: DIP-8008N
RefSeq: NP_014854.2   
Entrez Gene ID: 854386   
Pfam: PF00350   
KEGG: sce:YOR211C   

Gene Ontology

GO:0016021 C:integral to membrane
GO:0005743 C:mitochondrial inner membrane
GO:0005758 C:mitochondrial intermembrane space
GO:0005525 F:GTP binding
GO:0003924 F:GTPase activity
GO:0005515 F:protein binding
GO:0008053 P:mitochondrial fusion
GO:0000002 P:mitochondrial genome maintenance
GO:0007006 P:mitochondrial membrane organization
GO:0000001 P:mitochondrion inheritance

References (12)

[1] “Mitochondrial DNA maintenance in yeast requires a protein containing a region related to the GTP-binding domain of dynamin.”  Jones B.A.et.al.   1532158
[2] “Normal mitochondrial structure and genome maintenance in yeast requires the dynamin-like product of the MGM1 gene.”  Guan K.et.al.   7916673
[3] “The nucleotide sequence of Saccharomyces cerevisiae chromosome XV.”  Dujon B.et.al.   9169874
[4] “Sequence and analysis of a 33 kb fragment from the right arm of chromosome XV of the yeast Saccharomyces cerevisiae.”  Galisson F.et.al.   8840505
[5] “Interactions between three common subunits of yeast RNA polymerases I and III.”  Lalo D.et.al.   8516295
[6] “Processing of Mgm1 by the rhomboid-type protease Pcp1 is required for maintenance of mitochondrial morphology and of mitochondrial DNA.”  Herlan M.et.al.   12707284
[7] “The yeast dynamin-like protein, Mgm1p, functions on the mitochondrial outer membrane to mediate mitochondrial inheritance.”  Shepard K.A.et.al.   10037792
[8] “The intramitochondrial dynamin-related GTPase, Mgm1p, is a component of a protein complex that mediates mitochondrial fusion.”  Wong E.D.et.al.   12566426
[9] “Mgm1p, a dynamin-related GTPase, is essential for fusion of the mitochondrial outer membrane.”  Sesaki H.et.al.   12808034
[10] “Ugo1p links the Fzo1p and Mgm1p GTPases for mitochondrial fusion.”  Sesaki H.et.al.   15087460
[11] “Alternative topogenesis of Mgm1 and mitochondrial morphology depend on ATP and a functional import motor.”  Herlan M.et.al.   15096522
[12] “Proteomic analysis of the yeast mitochondrial outer membrane reveals accumulation of a subclass of preproteins.”  Zahedi R.P.et.al.   16407407
Structure:
6JSJ     

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Predict TMSs (Predict number of transmembrane segments)
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FASTA formatted sequence
1:	MNASPVRLLI LRRQLATHPA ILYSSPYIKS PLVHLHSRMS NVHRSAHANA LSFVITRRSI 
61:	SHFPKIISKI IRLPIYVGGG MAAAGSYIAY KMEEASSFTK DKLDRIKDLG ESMKEKFNKM 
121:	FSGDKSQDGG HGNDGTVPTA TLIAATSLDD DESKRQGDPK DDDDEDDDDE DDENDSVDTT 
181:	QDEMLNLTKQ MIEIRTILNK VDSSSAHLTL PSIVVIGSQS SGKSSVLESI VGREFLPKGS 
241:	NMVTRRPIEL TLVNTPNSNN VTADFPSMRL YNIKDFKEVK RMLMELNMAV PTSEAVSEEP 
301:	IQLTIKSSRV PDLSLVDLPG YIQVEAADQP IELKTKIRDL CEKYLTAPNI ILAISAADVD 
361:	LANSSALKAS KAADPKGLRT IGVITKLDLV DPEKARSILN NKKYPLSMGY VGVITKTPSS 
421:	INRKHLGLFG EAPSSSLSGI FSKGQHGQSS GEENTNGLKQ IVSHQFEKAY FKENKKYFTN 
481:	CQVSTKKLRE KLIKILEISM SNALEPTSTL IQQELDDTSY LFKVEFNDRH LTPKSYLLNN 
541:	IDVLKLGIKE FQEKFHRNEL KSILRAELDQ KVLDVLATRY WKDDNLQDLS SSKLESDTDM 
601:	LYWHKKLELA SSGLTKMGIG RLSTMLTTNA ILKELDNILE STQLKNHELI KDLVSNTAIN 
661:	VLNSKYYSTA DQVENCIKPF KYEIDLEERD WSLARQHSIN LIKEELRQCN SRYQAIKNAV 
721:	GSKKLANVMG YLENESNLQK ETLGMSKLLL ERGSEAIFLD KRCKVLSFRL KMLKNKCHST 
781:	IEKDRCPEVF LSAVSDKLTS TAVLFLNVEL LSDFFYNFPI ELDRRLTLLG DEQVEMFAKE 
841:	DPKISRHIEL QKRKELLELA LEKIDSILVF KKSYKGVSKN L