1T9Z

Three-dimensional structure of a RNA-polymerase II binding protein.

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Carboxy-terminal domain RNA polymerase II polypeptide A small phosphatase 1	polymer	197	22921.3	1	UniProt (Q9GZU7) Pfam (PF03031) In PDB	Homo sapiens (human)	Nuclear LIM interactor-interacting factor 3, NLI-interacting factor 3, NLI-IF, Scp1
2	A	MAGNESIUM ION	non-polymer		24.3	1	Chemie (MG)
3	A	CITRIC ACID	non-polymer		192.1	1	Chemie (CIT)
4		water	water		18.0	131	Chemie (HOH)

Sequence modifications

A: 77 - 261 (UniProt: Q9GZU7)

PDB	External Database	Details
Mse 76	-	cloning artifact
Mse 142	Met 142	modified residue
Mse 165	Leu 165	engineered mutation
Mse 205	Leu 205	engineered mutation
Mse 229	Met 229	modified residue
Ala 262	-	cloning artifact
Ala 263	-	cloning artifact
Ala 264	-	cloning artifact
Leu 265	-	cloning artifact
Glu 266	-	cloning artifact
His 267	-	expression tag
His 268	-	expression tag
His 269	-	expression tag
His 270	-	expression tag
His 271	-	expression tag
His 272	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	22921.3
Non-Polymers*	Number of molecules	2
	Total formula weight	216.4
All*	Total formula weight	23137.7

*Water molecules are not included.