4UTP

Crystal structure of pneumococcal surface antigen PsaA in the Cd- bound, closed state

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	MANGANESE ABC TRANSPORTER SUBSTRATE-BINDING LIPOPROTEIN	polymer	314	35233.9	2	UniProt (P0A4G2) Pfam (PF01297) In PDB	STREPTOCOCCUS PNEUMONIAE	PNEUMOCOCCAL SURFACE ADHESIN A
2	B, A	CADMIUM ION	non-polymer		112.4	25	Chemie (CD)
3		water	water		18.0	124	Chemie (HOH)

Sequence modifications

A, B: 1 - 309 (UniProt: P0A4G2)

PDB	External Database	Details
Gly 310	-	expression tag
Asn 311	-	expression tag
Leu 312	-	expression tag
Tyr 313	-	expression tag
Phe 314	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	70467.8
Non-Polymers*	Number of molecules	25
	Total formula weight	2810.3
All*	Total formula weight	73278.1

*Water molecules are not included.