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Table 1
*Number of exons and chromosomal localization of the 78 orthologous D. melanogaster, D pseudoobscura* and A. gambiae OXPHOS genes**
Cluster ID*	Protein name	D. melanogaster gene name	Number of exons^†	Map position	FlyBase ID	D. pseudoobscura gene name	Number of exons^†	Map position	A. gambiae gene name	Number of exons^†	Map position

Complex I: NADH:ubiquinone oxidoreductase
NUMM	13 kDa A subunit	CG8680	3	2L;25C6	FBgn0031684	Dpse\CG8680	3	4	agEG14117	3	3R;33B
NUFM	13 kDa B subunit	CG6463	3	3L;67E7	FBgn0036100	Dpse\CG6463	3	XR	agEG15380	3	2L22E
NIPM	15 kDa subunit	CG11455	2	2L;21B1-2	FBgn0031228	Dpse\CG11455	2	4	agEG13302	2	3R;35C-D
NUYM	18 kDa subunit	CG12203	3	X;18C7	FBgn0031021	Dpse\CG12203	3	XL	agEG18985	4	2L;27A
NUPM	19 kDa subunit	CG3683	4	2R;60D13	FBgn0035046	Dpse\CG3683	4	3	agEG19249	3	2L;26B
NUKM	20 kDa subunit	CG9172	1	X; 14A5	FBgn0030718	Dpse\CG9172	1	ND	agEG16939	1	X;4A
NUIM	23 kDa subunit	ND23	3	3R;89A5	FBgn0017567	Dpse\CG3944	3	2	agEG9698	2	2R;9A
NUHM	24 kDa subunit	CG5703	3	X; 16B10	FBgn0030853	Dpse\CG5703	3	XL	agEG16953	5	2R;11A
NUGM	30 kDa subunit	CG12079	3	3L;63B7	FBgn0035404	Dpse\CG12079	3	XR	agEG11610	3	2L;24D
NUEM	39 kDa subunit	CG6020	4	3L;77C6	FBgn0037001	Dpse\CG6020	4	XR	agEG18760	3	3L;40A
NUDM	42 kDa subunit	ND42	2	3R;94A1	FBgn0019957	Dpse\CG6343	2	2	agEG10090	2	3L;41C
NUCM	49 kDa subunit	CG1970	6	4;102C2	FBgn0039909	Dpse\CG1970	6	ND	agEG18856	1	X;1B
NUBM	51 kDa subunit	CG9140	4	2L;26B6-7	FBgn0031771	Dpse\CG9140	4	4	agEG9927	4	3R;36D
NUAM	75 kDa subunit	ND75	5	X;7E1	FBgn0017566	Dpse\CG2286	5	XL	agEG19681	4	2R;8D
NI8M	B8 subunit	CG15434	3	2L;24F3	FBgn0040705	Dpse\CG15434	3	4	agEG16251	3	2R;15B
NB2M	B12 subunit	CG10320	2	2R;57F6	FBgn0034645	Dpse\CG10320	2	3	agEG9277	1	3L;46D
NB4M	B14 subunit	CG7712	3	2R;47C6	FBgn0033570	Dpse\CG7712	3	3	agEG12033	2	2R;15A
N4AM	B14.5A subunit	CG3621	2	X; 2D6-E1	FBgn0025839	Dpse\CG3621	2	XL	agEG14707	4	2R;17A
N4BM	B14.5B subunit	CG12400	3	2L:23D3	FBgn0031505	Dpse\CG12400	3	4	agEG16232	3	2R;13C
NB5M	B15 subunit	CG12859	2	2R;51C2	FBgn0033961	Dpse\CG12859	2	3	agEG17759	2	3L;44C
NB6M	B16.6 subunit	CG3446	2	X;5F2	FBgn0029868	Dpse\CG3446	2	XL	agEG7829	3	3R;35A
NB7M	B17 subunit	l(2)35Di	3	2L;35D	FBgn0001989	Dpse\CG13240	3	4	agEG18567	3	3R;34D
N7BM	B17.2 subunit	CG3214	4	2L;23A1	FBgn0031436	Dpse\CG3214	4	4	agEG10758	4	3R;31A
NB8M	B18 subunit	CG5548	1	X;13A8	FBgn0030605	Dpse\CG5548	1	XL	agEG8436	3	2L;28C
NI2M	B22 subunit	CG9306	3	2L;34B8	FBgn0032511	Dpse\CG9306	3	4	agEG12344	3	3R;35C-D
ACPM	Acyl carrier	mtacp1	4	3L;61F6	FBgn0011361	Dpse\CG9190	4	XR	agEG11237	5	3L;38B
NIAM	ASHI subunit	CG3192	3	X;6C5	FBgn0029888	Dpse\CG3192	3	XL	agEG8821	3	2R;10A
NUML	MLRQ subunit	CG32230	3	3L;80E2	FBgn0052230	Dpse\CG32230	3	XR	agEG12063	3	2R;15A
NINM	MNLL subunit	CG18624	1	X;7C	FBgn0029971	Dpse\CG18624	1	XL	agEG22692	1	X;5A
NIDM	PDSW subunit	Pdsw	3	2L;23F3	FBgn0021967	Dpse\CG8844	3	4	agEG7887	4	3R;29A
NISM	SGDH subunit	l(3)neo18	4	3L;68F5	FBgn0011455	Dpse\CG9762	4	XR	agEG13573	2	2L;27D
NIGM	AGGG subunit	CG40002	3	ND	FBgn0058002	Dpse\CG40002	3	XR	agEG18653		2R;12D

Complex II: Succinate dehydrogenase
DHSA	Flavoprotein subunit	Scs-fp	4	2R;56D3	FBgn0017539	Dpse\CG17246	4	3	agEG7754	3	3L;38B
DHSB	Iron-sulfur protein	SdhB	3	2R;42D3-4	FBgn0014028	Dpse\CG3283	3	3	agEG13539	4	2L;27D
C560	Cytochrome B560 subunit	CG6666	2	3R;86D7-8	FBgn0037873	Dpse\CG6666	2	2	agEG14929	2	3L;39B
DHSD	Cytochrome b small subunit	CG10219	4	3R;95B1	Fbgn0039112	Dpse\CG10219	4	XR	agEG16772	3	X;1C

Complex III: Ubiquinol-cytochrome c reductase
UCRY	6.4 kDa protein	CG14482	2	2R;54C9	FBgn0034245	Dpse\CG14482	2	3	agEG12505	2	3L;43B
UCRX	7.2 kDa protein	ox	2	2R;49C2	FBgn0011227	Dpse\CG8764	2	3	agEG15210	2	2L;20C
UCRH	11 kDa protein	Ucrh	2	3R	FBgn0066066	Dpse\Ucrh	2	2	agEG19398	2	2R;11B
UCR6	14 kDa protein	CG3560	3	X;14B10	FBgn0030733	Dpse\CG3560	3	XL	agEG11611	3	3L;46A
UCRI	Iron-sulfur subunit	RFeSP	3	2L;22A3	FBgn0021906	Dpse\CG7361	3	4	agEG16975	4	3R;32C
CY1	Cytochrome c1, heme protein	CG4769	6	3L;64C13	FBgn0035600	Dpse\CG4769	6	XR	agEG19223	4	2L;26C
UCR1	Core protein 1	CG3731	6	3R;88D6	FBgn0038271	Dpse\CG3731	6	2	agEG21302	3	X;5C
UCR2	Core protein 2	CG4169	4	3L;73A10	FBgn0036642	Dpse\CG4169_1	4	XR	agEG17930	4	2L;24A
UCRQ	Ubiquinone-binding protein QP^-	CG7580	2	3L;74C3	FBgn0036728	Dpse\CG7580	2	XR	agEG20223	2	3L;38C

Complex IV: Cytochrome c oxidase
CX41	Polypeptide IV	CG10664	2	2L;38A8	FBgn0032833	Dpse\CG10664	2	4	agEG13327	2	3R;31C
COXA	Polypeptide Va	CoVa	1	3R;86F9	FBgn0019624	Dpse\CG14724	1	2	agEG19581	1	3L;41D
COXB	Polypeptide Vb	CG11015	3	2L;26E3	FBgn0031830	Dpse\CG11015	3	4	agEG8633	4	3R;31C
COXD	Polypeptide VIa	CG17280	2	2R;59E3	FBgn0034877	Dpse\CG17280	2	3	agEG7821	2	X;5A
COXG	Polypeptide VIb	CG18809	1	X;18E5	FBgn0042132	Dpse\CG18809	1	XL	agEG11043	1	2L;25A
COXH	Polypeptide VIc	cype	2	2L;25D6	FBgn0015031	Dpse\CG14028	2	4	EST357342	2	3R;29A
COXK	Polypeptide VIIa	CG9603	2	3R;84F13	FBgn0040529	Dpse\CG9603	2	XR	agEG17423	3	X;4B
COXO	Polypeptide VIIc	CG2249	2	2R;46D8-9	FBgn0040773	Dpse\CG2249	2	3	agEG22887	2	2L;28C

Complex V: ATP synthase
ATPA	Alpha chain	blw	4	2R;59B1-2	FBgn0011211	Dpse\CG3612	4	3	agEG7500	4	2L;21E
ATPB	Beta chain	ATPsyn-beta	3	4;102D1	FBgn0010217	Dpse\CG11154	3	ND	agEG14379	1	3L;45C
ATPG	Gamma chain	ATPsyn-gamma	1	3R;99B10	FBgn0020235	Dpse\CG7610	1	2	agEG7678	2	3R;29C
ATPD	Delta chain	CG2968	3	X;9B4	FBgn0030184	Dpse\CG2968	3	ND	agEG16076	1	3R;29B
ATPE	Epsilon chain	sun	4	X;13F12	FBgn0014391	Dpse\CG9032	4	ND	agEG10095	4	X;3D
ATPF	B chain	ATPsyn-b	3	3L;67C5	FBgn0019644	Dpse\CG8189	3	XR	agEG9580	3	2R;7A
ATPQ	D chain	ATPsyn-d	1	3R;91F	FBgn0016120	Dpse\CG6030	1	ND	agEG10180	3	3L;41C
ATPJ	E chain	CG3321	1	3R;88B4	FBgn0038224	Dpse\CG3321	1	2	agEG10809	3	2L;26B
ATPK	F chain	CG4692	2	2R;60D8-9	FBgn0035032	Dpse\CG4692	2	3	agEG1544	1	ND
ATPN	G chain	l(2)06225	2	2L;32C1	FBgn0010612	Dpse\CG6105	2	ND	agEG8590	2	3R;34B
ATPR	Coupling factor 6	ATPsyn-Cf6	2	3R;94E13	FBgn0016119	Dpse\CG4412	2	2	agEG19097	2	2R;19D
AT91	Lipid-binding protein P1	CG1746	3	3R;100B7	FBgn0039830	Dpse\CG1746	3	2	agEG14837	3	X;2B
ATPO	OSCP	Oscp	3	3R;88E8-9	FBgn0016691	Dpse\CG4307	3	2	agEG9393	3	2R;15D

Others
ATPW	ATP synthase coupling factor B	CG10731	1	2R;52F	FBgn0034081	Dpse\CG10731	1	3	agEG15185	1	2R;19B
CI30	Complex I intermediate- associate protein 30	CG7598	2	3R;99B9	FBgn0039689	Dpse\CG7598	2	2	agEG7818	2	X;5A
CYC	Cytochrome C	Cyt-c-p	1	2L;36A11	FBgn0000409	Dpse\CG17903	1	4	agEG17602	1	3R;34C
COXZ	Complex IV assembly protein COX11	CG6922	1	2L;25E5	FBgn0031712	Dpse\CG6922	1	4	agEG19985	2	3L;38B
COXS	Complex IV copper chaperone	CG9065	2	X;13A9	FBgn0030610	Dpse\CG9065_1	2	XL	agEG23169	1	3L;44C
OXA1	Biogenesis protein OXA1	CG6404	3	3L;67F1	FBgn0027615	Dpse\CG6404	3	XR	agEG11581	3	2L;22C
ETFA	Electron transfer flavoprotein alpha subunit	wal	3	2R;48C1-2	FBgn0010516	Dpse\CG8996	3	3	agEG11798	2	2R;17B
ETFB	Electron transfer flavoprotein beta subunit	CG7834	2	3R;99C1	FBgn0039697	Dpse\CG7834	2	2	agEG13614	2	2R;19D
ETFD	Electron transfer flavoprotein- ubiquinone oxidoreductase	CG12140	5	2R;46C4	FBgn0033465	Dpse\CG12140	5	3	agEG10998	4	2L;23B
COXX	Protoheme IX farnesyltransferase	CG5037	4	2L;31D9	FBgn0032222	Dpse\CG5037	3	ND	agEG11452	4	3R;32B
SCO1	Sco1 protein homolog	CG8885	2	2L;25B5	FBgn0031656	Dpse\CG8885	2	4	agEG10475	1	3R;31C
SUR1	Surfeit locus protein 1	Surf1	4	3L65D4	FBgn0029117	Dpse\CG9943	4	XR	agEG8998	4	2L;25C

IDs in this column are taken from Swiss-Prot [20]. ^†Only coding exons were considered. ND, map position not determined. D. melanogaster, D. pseudoobscura* and A. gambiae sequences used to determine intron-exon gene structures are available as supplementary material at the MitoComp website [22]
Tripoli et al. Genome Biology 2005 6:R11 doi:10.1186/gb-2005-6-2-r11

Table 1