4YH1

Structure of Human Scp1 bound to cis-proline peptidomimetic CTD phospho-Ser5 peptide

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Carboxy-terminal domain RNA polymerase II polypeptide A small phosphatase 1	polymer	189	21573.5	2	UniProt (Q9GZU7) Pfam (PF03031) In PDB	Homo sapiens (Human)	Nuclear LIM interactor-interacting factor 3,NLI-interacting factor 3,Small C-terminal domain phosphatase 1,Small CTD phosphatase 1
2	C, D	A small phosphatase 1	polymer	12	1259.2	2		synthetic construct
3	A, B	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)
4		water	water		18.0	141	Chemie (HOH)

Sequence modifications

A, B: 77 - 255 (UniProt: Q9GZU7)

PDB	External Database	Details
Gly 73	-	expression tag
Ser 74	-	expression tag
His 75	-	expression tag
Gly 76	-	expression tag
Asn 96	Asp 95	engineered mutation
Gln 256	-	expression tag
Pro 257	-	expression tag
Arg 258	-	expression tag
Pro 259	-	expression tag
Gly 260	-	expression tag
Ser 261	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	45665.5
Non-Polymers*	Number of molecules	2
	Total formula weight	48.6
All*	Total formula weight	45714.1

*Water molecules are not included.