1SJQ

NMR Structure of RRM1 from Human Polypyrimidine Tract Binding Protein Isoform 1 (PTB1)

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Polypyrimidine tract-binding protein 1	polymer	105	11745.4	1	UniProt (P26599) Pfam (PF13893) In PDB	Homo sapiens (human)	PTB, Heterogeneous nuclear ribonucleoprotein I, hnRNP I, 57 kDa RNA-binding protein PPTB-1

Sequence modifications

A: 12 - 105 (UniProt: P26599)

PDB	External Database	Details
Met 1	-	initiating methionine
Arg 2	-	expression tag
Gly 3	-	expression tag
Ser 4	-	expression tag
His 5	-	expression tag
His 6	-	expression tag
His 7	-	expression tag
His 8	-	expression tag
His 9	-	expression tag
His 10	-	expression tag
Gly 11	-	expression tag
Ser 12	Ala 54	cloning artifact

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	11745.4
All*	Total formula weight	11745.4

*Water molecules are not included.