4JXT

CID of human RPRD1A in complex with a phosphorylated peptide from RPB1-CTD

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Regulation of nuclear pre-mRNA domain-containing protein 1A	polymer	138	16063.4	1	UniProt (Q96P16) Pfam (PF04818) In PDB	Homo sapiens (human)	Cyclin-dependent kinase inhibitor 2B-related protein, p15INK4B-related protein
2	B	DNA-directed RNA polymerase II subunit RPB1	polymer	21	2443.3	1	UniProt (P24928) Pfam (PF05001) In PDB	Homo sapiens	RNA polymerase II subunit B1, DNA-directed RNA polymerase II subunit A, DNA-directed RNA polymerase III largest subunit, RNA-directed RNA polymerase II subunit RPB1
3	A	UNKNOWN ATOM OR ION	non-polymer			6	Chemie (UNX)
4		water	water		18.0	87	Chemie (HOH)

Sequence modifications

A: 1 - 137 (UniProt: Q96P16)

PDB	External Database	Details
Gly 0	-	expression tag

B: 1619 - 1637 (UniProt: P24928)

PDB	External Database	Details
Btn 1618	-	SEE REMARK 999
Nh2 1638	-	amidation

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	18506.7
Non-Polymers*	Number of molecules	6
	Total formula weight	0.0
All*	Total formula weight	18506.7

*Water molecules are not included.