8CE1

Cytochrome c maturation complex CcmABCD

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	a, A	Cytochrome c biogenesis ATP-binding export protein CcmA	polymer	218	24411.7	2	UniProt (P33931) Pfam (PF00005) In PDB	Escherichia coli	Heme exporter protein A
2	b, B	Heme exporter protein B	polymer	220	23632.7	2	UniProt (P0ABL8) Pfam (PF03379) In PDB	Escherichia coli	Cytochrome c-type biogenesis protein CcmB
3	c, C	Heme exporter protein C	polymer	245	27911.3	2	UniProt (P0ABM1) Pfam (PF01578) In PDB	Escherichia coli K-12	Cytochrome c-type biogenesis protein CcmC
4	d, D	Heme exporter protein D	polymer	69	7753.1	2	UniProt (P0ABM5) Pfam (PF04995) In PDB	Escherichia coli K-12	Cytochrome c-type biogenesis protein CcmD

Sequence modifications

a, A: 1 - 207 (UniProt: P33931)

PDB	External Database	Details
Met -10	-	initiating methionine
Ala -9	-	expression tag
Ser -8	-	expression tag
Trp -7	-	expression tag
Ser -6	-	expression tag
His -5	-	expression tag
Pro -4	-	expression tag
Gln -3	-	expression tag
Phe -2	-	expression tag
Glu -1	-	expression tag
Lys 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	8
	Total formula weight	167417.5
All*	Total formula weight	167417.5

*Water molecules are not included.