5LN4

Crystal structure of self-complemented PsaA, the major subunit of pH 6 antigen from Yersinia pests, in complex with choline

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C (A, B, C)	pH 6 antigen,pH 6 antigen	polymer	133	14747.4	3	UniProt (P31522) Pfam (PF21462)	Yersinia pestis	Adhesin,Antigen 4,Adhesin,Antigen 4
2	D, E, F (B, C)	CHOLINE ION	non-polymer		104.2	3	Chemie (CHT)
3	G, H, I (A, B, C)	water	water		18.0	185	Chemie (HOH)

Sequence modifications

A, B, C: 7 - 119 (UniProt: P31522)
A, B, C: 124 - 139 (UniProt: P31522)

PDB	External Database	Details
Asn 120	-	linker
Asp 121	-	linker
Lys 122	-	linker
Gln 123	-	linker

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	44242.3
Non-Polymers*	Number of molecules	3
	Total formula weight	312.5
All*	Total formula weight	44554.9

*Water molecules are not included.