4LT6

Crystal Structure of human poly(A) polymerase gamma

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 gamma	polymer	514	59289.7	2	UniProt (Q9BWT3) Pfam (PF20750) Pfam (PF04928) Pfam (PF04926) In PDB	Homo sapiens (human)	PAP-gamma, Neo-poly(A) polymerase, Neo-PAP, Polynucleotide adenylyltransferase gamma, SRP RNA 3'-adenylating enzyme
2	A, B	3'-DEOXYADENOSINE-5'-TRIPHOSPHATE	non-polymer		491.2	2	Chemie (3AT)
3	A, B	CALCIUM ION	non-polymer		40.1	2	Chemie (CA)
4		water	water		18.0	53	Chemie (HOH)

Sequence modifications

A, B: 1 - 508 (UniProt: Q9BWT3)

PDB	External Database	Details
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
His -1	-	expression tag
His 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	118579.4
Non-Polymers*	Number of molecules	4
	Total formula weight	1062.5
All*	Total formula weight	119641.9

*Water molecules are not included.