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3.D.1.6.2
The fungal H+ translocating NADH dehydrogenase (NDH) complex (38 subunits; 35 included here) (Cardol et al., 2004).  The high resolution (3.6 - 3.9 Å) structure of the mitochondrial Yarrowia lipolytica enzyme, showing all central subunits that execute the bioenergetic functions, has been solved (see discussion for TC# 3.A.1 and Zickermann et al. 2015). The subunit inventory of mitochondrial complex I from the obligate aerobic yeast Yarrowia lipolytica involved a total of 37 subunits (Abdrakhmanova et al. 2004).

Accession Number:Q02854
Protein Name:20.9
Length:189
Molecular Weight:20977.00
Species:Neurospora crassa [5141]
Number of TMSs:3
Location1 / Topology2 / Orientation3: Mitochondrion inner membrane1 / Single-pass membrane protein2
Substrate hydron

Cross database links:

Gene Ontology

GO:0016021 C:integral to membrane
GO:0005743 C:mitochondrial inner membrane
GO:0008137 F:NADH dehydrogenase (ubiquinone) activity
GO:0055114 P:oxidation reduction

References (2)

[1] “Primary structure and mitochondrial import in vitro of the 20.9 kDa subunit of complex I from Neurospora crassa.”  Azevedo J.E.et.al.   1445273
[2] “The genome sequence of the filamentous fungus Neurospora crassa.”  Galagan J.E.et.al.   12712197

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Predict TMSs (Predict number of transmembrane segments)
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FASTA formatted sequence
1:	MSSTSSPTYT ISKTLNTNYP LIDNDPHFRR VIGYARPSDY VHGTVAGAAG PGLLYLMEKM 
61:	APSGVGKGGF PKAMRLATAV GFFGGFLYFY QRSILRFYGM SENAREVQMD MREMVDKVKA 
121:	GQPLYGVSTL PVDVQGMAAR QSRYSALFFA VLPWFNFVNH NQHGVDTAKY YQQAERELEA 
181:	ERLGKGSSS