2IXP

Crystal structure of the Pp2A phosphatase activator Ypa1 PTPA1 in complex with model substrate

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, D	SERINE/THREONINE-PROTEIN PHOSPHATASE 2A ACTIVATOR 1	polymer	323	37463.9	4	Pfam (PF03095) UniProt (by SIFTS) (P40454) In PDB	SACCHAROMYCES CEREVISIAE (BAKER'S YEAST)	PTPA1, PEPTIDYL-PROLYL CIS-TRANS ISOMERASE PTPA-1, PPIASE PTPA-1, ROTAMASE PTPA-1, PHOSPHOTYROSYL PHOSPHATASE ACTIVATOR 1
2	F, G, H, I	SIN-ALA-ALA-PRO-LYS-NIT	polymer	6	606.6	4	BIRD (PRD_000352)	SYNTHETIC CONSTRUCT
3	A, B, D	SULFATE ION	non-polymer		96.1	4	Chemie (SO4)
4	A, D	CHLORIDE ION	non-polymer		35.5	2	Chemie (CL)

Sequence modifications

A, B, C, D: 318 - 323 (PDB: 2IXP)

PDB	External Database	Details
His 318	-	expression tag
His 319	-	expression tag
His 320	-	expression tag
His 321	-	expression tag
His 322	-	expression tag
His 323	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	8
	Total formula weight	152282.4
Non-Polymers*	Number of molecules	6
	Total formula weight	455.2
All*	Total formula weight	152737.5

*Water molecules are not included.