2O1P

Structure of yeast Poly(A) Polymerase in a somewhat 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	Poly(A) polymerase	polymer	546	62623.8	2	UniProt (P29468) Pfam (PF01909) Pfam (PF04928) Pfam (PF04926) In PDB	Saccharomyces cerevisiae (baker's yeast)	PAP, Polynucleotide adenylyltransferase
2		water	water		18.0	183	Chemie (HOH)

Sequence modifications

A, B: 1 - 538 (UniProt: P29468)

PDB	External Database	Details
Leu 539	-	cloning artifact
Glu 540	-	cloning artifact
His 541	-	expression tag
His 542	-	expression tag
His 543	-	expression tag
His 544	-	expression tag
His 545	-	expression tag
His 546	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	125247.7
All*	Total formula weight	125247.7

*Water molecules are not included.