7CNX

Crystal structure of Apo PSD from E. coli (2.63 A)

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C, E, G	Phosphatidylserine decarboxylase beta chain	polymer	253	28645.2	4	UniProt (A0A6D2XQZ0) Pfam (PF02666) UniProt (by SIFTS) (P0A8K1) In PDB	Escherichia coli K-12
2	B, D, F, H	Phosphatidylserine decarboxylase alpha chain	polymer	42	4482.1	4	UniProt (A0A6D2XQZ0) UniProt (by SIFTS) (P0A8K1) In PDB	Escherichia coli K-12
3		water	water		18.0	14	Chemie (HOH)

Sequence modifications

B, D, F, H: 254 - 287 (UniProt: A0A6D2XQZ0)

PDB	External Database	Details
Pyr 254	Ser 254	modified residue
Gly 288	-	expression tag
His 289	-	expression tag
His 290	-	expression tag
His 291	-	expression tag
His 292	-	expression tag
His 293	-	expression tag
His 294	-	expression tag
Gly 295	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	8
	Total formula weight	132508.9
All*	Total formula weight	132508.9

*Water molecules are not included.