TABLE 1.

Identification of genes encoding lipid particle proteins^a

No.	Gene or ORF designation	Function [hypothetical]b	MW	pI	ORF	Reference
1	FAA1	Long-chain fatty acid CoA ligase (for degradation or incorporation in PL)	77,866	7.70	YOR317c	23
2	FAT1	Very long-chain fatty acid activator; fatty acid transport protein (exogenous long-chain fatty acids)	71,700	8.40	YBR041c	10, 40
3	FAA4	Long-chain fatty acid CoA ligase (for degradation or incorporation into PL)	77,267	6.33	YMR246w	22
4	ERG7	Lanosterol synthase	83,318	6.30	YHR072w	4
5	YMR313c	Unknown	73,612	8.74	YMR313c
6	TGL1	[Triacylglycerol lipase]	62,979	6.60	YKL140w	1
7	ERG1	Squalene epoxidase	55,120	6.27	YGR175c	19, 28
8	YBR177c	[UFP007 family (not characterized); weak homologue to probable membrane receptor]	51,255	7.84	YBR177c
9	YOR059c	[Lipase serine active site]	51,114	9.20	YOR059c
10	YIM1	[Homologue to mitochondrial inner membrane protease]	41,651	8.24	YMR152w
11	ERG6	Sterol-Δ24-methyltransferase	43,421	5.59	YML008c	27
12	YDL193w	[Weak homologue to Ca2+ channel protein]	42,555	6.73	YDL193w
13	TDH1	GAPDH	35,619	8.41	YJL052w	32
	TDH2		35,715		YJR009c
	TDH3		35,615		YGR192c
14	YJU3	[Lysophospholipase]	35,549	8.55	YKL094w	12
15	YIM4	[Oxidoreductase (short-chain dehydrogenase or reductase family)]	32,822	9.34	YIL124w
16	YKR0456	Unknown	31,246	8.85	YKR046c
	SLC1c	1-acylglycerol-3-phosphate acyltransferase	33,903	9.76	YDL052c	3, 34

^aMW, molecular weight; pI, isoelectric point; PL, phospholipid. 

^bFunctions in brackets are hypothetical. 

^cThe gene product of SLC1 was not detected during the mass spectrometric approach described in this work but was characterized earlier by biochemical and molecular biological means.