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PDB 1SQP

X-RAY DIFFRACTION2.70 Å11 chains16 ECOD domains

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3D Structure(domains colored, ligands/nucleic acids shown)

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Domains by Chain

Chain AUbiquinol-cytochrome-c reductase complex core protein I, mitochondrial precursorview chain

2 domains

e1sqpA1(A:2-233)e1sqpA2(A:234-442)

Chain BUbiquinol-cytochrome-c reductase complex core protein 2, mitochondrial precursorview chain

2 domains

e1sqpB1(B:18-235)e1sqpB2(B:236-439)

Chain CCytochrome bview chain

2 domains

e1sqpC1(C:261-379)e1sqpC2(C:15-260)

Chain DCytochrome c1, heme protein, mitochondrialview chain

2 domains

e1sqpD1(D:1-195)e1sqpD2(D:196-241)

Chain EUbiquinol-cytochrome c reductase iron-sulfur subunit, mitochondrial precursor (EC 1.10.2.2) (Rieske iron-sulfur protein) (RISP) [Contains: Ubiquinol-cytochrome c reductase 8 kDa protein (Complex III subunit IX)]view chain

2 domains

e1sqpE2(E:1-69)e1sqpE3(E:70-196)

Chain Fsub6view chain

1 domain

e1sqpF1(F:12-110)

Chain GUbiquinol-cytochrome c reductase complex ubiquinone-binding protein QP-Cview chain

1 domain

e1sqpG1(G:1-75)

Chain HUbiquinol-cytochrome c reductase complex 11 kDa proteinview chain

1 domain

e1sqpH1(H:13-78)

Chain IUbiquinol-cytochrome c reductase iron-sulfur subunit, mitochondrial precursor (EC 1.10.2.2) (Rieske iron-sulfur protein) (RISP) [Contains: Ubiquinol-cytochrome c reductase 8 kDa protein (Complex III subunit IX)]view chain

1 domain

e1sqpI1(I:1-57)

Chain JUbiquinol-cytochrome c reductase complex 7.2 kDa proteinview chain

1 domain

e1sqpJ1(J:1-61)

Chain KUbiquinol-cytochrome c reductase complex 6.4 kDa proteinview chain

1 domain

e1sqpK1(K:1-53)

All Domains (16)

#	Chain	Domain ID	Range	Family	Classification
1	A	e1sqpA1	A:2-233	Peptidase_M16,Peptidase_M16_C	309 → 309.1 → 309.1.1
2	A	e1sqpA2	A:234-442	Peptidase_M16_C	309 → 309.1 → 309.1.1
3	B	e1sqpB1	B:18-235	Peptidase_M16	309 → 309.1 → 309.1.1
4	B	e1sqpB2	B:236-439	Peptidase_M16_C	309 → 309.1 → 309.1.1
5	C	e1sqpC1	C:261-379	Cytochrom_B_C	5068 → 5068.1 → 5068.1.1
6	C	e1sqpC2	C:15-260	Cytochrome_B, Cytochrom_B_N_2	5069 → 5069.1 → 5069.1.1
7	D	e1sqpD1	D:1-195	Cytochrom_C1	107 → 107.1 → 107.1.1
8	D	e1sqpD2	D:196-241	5013.1.1.0	5013 → 5013.1 → 5013.1.1
9	E	e1sqpE2	E:1-69	UCR_TM	5014 → 5014.1 → 5014.1.1
10	E	e1sqpE3	E:70-196	Rieske	66 → 66.1 → 66.1.1
11	F	e1sqpF1	F:12-110	UCR_14kD	5070 → 5070.1 → 5070.1.1
12	G	e1sqpG1	G:1-75	UcrQ	5016 → 5016.1 → 5016.1.1
13	H	e1sqpH1	H:13-78	UCR_hinge	5071 → 5071.1 → 5071.1.1
14	I	e1sqpI1	I:1-57	Ubiq-Cytc-red_N	852 → 852.1 → 852.1.1
15	J	e1sqpJ1	J:1-61	UCR_UQCRX_QCR9	5017 → 5017.1 → 5017.1.1
16	K	e1sqpK1	K:1-53	UCR_6-4kD	5018 → 5018.1 → 5018.1.1

Visualization Legend

ECOD domains (colored by index)Unclassified protein regionsNucleic acids (RNA/DNA)Ligands/cofactors