Table 2. Composition of subunits.

Subunit	human/bovine	Chain	Total residues/ range built	Modelled with side chains	Modelled as poly-alanine	[%] residues modelled	[%] with side chains	[%] unknown
central subunits
NUAM	NDUFS1/ 75 kDa	A	694/ 1–691	1–691	0	99	99	1
NUBM	NDUFV1/ 51 kDa	B	470/ 15–457	15–437	437–457	95	90	6
NUCM	NDUFS2/ 49 kDa	C	444/ 28–443	58–67 77–443	28–57 68–76	93	85	7
NUGM	NDUFS3/ 30 kDa	G	251/ 1–232	30–189	1–29 190–232	92	64	8
NUHM	NDUFV2/ 24 kDa	H	215/ 3–187	23–187	3–22	86	78	14
NUIM	NDUFS8/ TYKY	I	198/ 19–198	26–198	19–26	91	87	9
NUKM	NDUFS7/ PSST	K	183/ 15–183	15–183	0	92	92	8
NU1M	NU1M/ ND1	1	341/ 1–340	1–179 184–205 217–251 268–340	180–183 206–216 252–267	100	91	0
NU2M	NU2M/ ND2	2	469/ 1–85 99–465	1–25 53–85 99–415	26–52 416–465	96	80	4
NU3M	NU3M/ ND3	3	128/ 1–34 49–124	1–34 49–118	119–124	81	77	19
NU4M	NU4M/ ND4	4	486/ 7–481	85–189 201–434	7–84 190–200 435–481	98	70	2
NU5M	NU5M/ ND5	5	655 5–479 489–652	28–436 457–474 568–592 614–652	5–27 437–456 475–479 489–567 593–613	98	75	2
NU6M	NU6M/ ND6	6	185 2–184	2–77 160–184	78–159	99	55	1
NULM	NULM/ ND4L	L	89 1–86	1–86	0	97	97	3
accessory subunits peripheral arm
NUEM	NDUFA9/ 39 kDa	E	355 17–334	17–334	0	82	82	18
NUFM	NDUFA5/ B13	F	136 13–131	34–131	13–33	88	72	12
NUMM	NDUFS6/ 13 kDa	M	119 13–117	43–117	13–42	88	75	12
NUYM	NDUFS4/ 18 kDa	Y	137 19–133	19–133	0	84	84	16
NUZM	NDUFA7/ B14.5a	Z	182 30–166	0	30–166	75	0	25
N7BM	NDUFA12/B17.2	h	137 6–135	6–135	0	95	95	5
NB4M	NDUFA6/ B14	P	123 3–118	3–118	0	94	94	6
ACPM1	NDUFAB1/SDAP	O	84 4–80	4–80	0	92	92	8
NI8M	NDUFA2/ B8	f	86 5–84	5–84	0	93	93	7
Accessory subunits PP module
NUPM	Ndufa8/ pgiv	U	171 10–167	16–142	10–15 143–167	92	74	8
NUJM	NDUFA11/B14.7	J	197 18–157	18–133	134–157	71	59	29
NB6M	NDUFA13/B16.6	W	122 3–120	14–120	3–13	97	88	3
NIPM	NDUFS5/ 15 kDa	9	88 8–66	14–66	08–13	67	60	33
NUXM	-/-	X	168 4–120	72–96	4–71 97–120	70	15	30
NI9M	NDUFA3/ B9	g	66 3–62	3–62		91	91	9
NIMM	NDUFA1/ MWFE	D	86 1–80	1–58	59–80	93	67	7
NEBM	NDUFC2/ B14.5b	b	73 1–64		1–64	87	0	13
accessory subunits PD module
NESM	NDUFB11/ESSS	S	204 29–187		29–187	78	0	22
NIAM	NDUFB8/ ASHI	a	125 11–110		11–110	80	0	20
NUNM	NDUFB5/ SGDH	n	119 23–115		23–115	78	0	22
NB2M	NDUFB3/ B12	c	59 8–49	31–49	8–30	71	32	29
NB5M	NDUFB4/ B15	j	92 3–75	16–41	3–15 42–75	82	27	18
NB8M	NDUFB7/ B18	8	98 3–84	3–80	81–84	84	80	16
ACPM2	NDUFAB1/SDAP	Q	88 3–87	3–87	0	97	97	3
NIDM	NDUFB10/PDSW	d	91 3–91	3–91	0	98	98	5
NI2M	NDUFB9/ B22	R	108 6–107	6–98	99–107	94	86	6
NUUM	NDUFB2/ AGGG	e	89 6–50		6–50	51	0	49