3AEC

Crystal structure of porcine heart mitochondrial complex II bound with 2-Iodo-N-(1-methylethyl)-benzamid

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Succinate dehydrogenase [ubiquinone] flavoprotein subunit, mitochondrial	polymer	622	68313.2	1	UniProt (Q0QF01) Pfam (PF00890) Pfam (PF02910) In PDB	Sus scrofa (Pig)	Flavoprotein subunit of complex II, Fp
2	B	Succinate dehydrogenase [ubiquinone] iron-sulfur subunit, mitochondrial	polymer	252	28764.2	1	UniProt (Q007T0) Pfam (PF13085) Pfam (PF13534) In PDB	Sus scrofa (Pig)	Iron-sulfur subunit of complex II, Ip
3	C	Succinate dehydrogenase cytochrome b560 subunit, mitochondrial	polymer	140	15304.1	1	UniProt (D0VWV4) Pfam (PF01127) In PDB	Sus scrofa (Pig)	Succinate-ubiquinone oxidoreductase cytochrome B large subunit, CYBL
4	D	Succinate dehydrogenase [ubiquinone] cytochrome b small subunit, mitochondrial	polymer	103	10936.8	1	UniProt (A5GZW8) Pfam (PF05328) In PDB	Sus scrofa (Pig)	Succinate-ubiquinone oxidoreductase cytochrome b small subunit, CybS, Succinate-ubiquinone reductase membrane anchor subunit, QPs3, CII-4, Succinate dehydrogenase complex subunit D
5	A	FLAVIN-ADENINE DINUCLEOTIDE	non-polymer		785.5	1	Chemie (FAD)
6	B	FE2/S2 (INORGANIC) CLUSTER	non-polymer		175.8	1	Chemie (FES)
7	B	IRON/SULFUR CLUSTER	non-polymer		351.6	1	Chemie (SF4)
8	B	FE3-S4 CLUSTER	non-polymer		295.8	1	Chemie (F3S)
9	C	PROTOPORPHYRIN IX CONTAINING FE	non-polymer		616.5	1	Chemie (HEM)
10	C	2-iodo-N-(1-methylethyl)benzamide	non-polymer		289.1	1	Chemie (EBM)
11	D	L-ALPHA-PHOSPHATIDYL-BETA-OLEOYL-GAMMA-PALMITOYL-PHOSPHATIDYLETHANOLAMINE	non-polymer		709.9	1	Chemie (EPH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	123318.2
Non-Polymers*	Number of molecules	7
	Total formula weight	3224.3
All*	Total formula weight	126542.6

*Water molecules are not included.