7QR4

human CPEB3 HDV-like ribozyme

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	U1 small nuclear ribonucleoprotein A	polymer	91	10582.4	1	UniProt (M0R221) Pfam (PF00076) UniProt (by SIFTS) (P09012) In PDB	Homo sapiens (human)
2	B	RNA CPEB3 ribozyme	polymer	69	22114.2	1	GenBank (21540012)	Homo sapiens
3		water	water		18.0	3	Chemie (HOH)

Sequence modifications

A: 1 - 91 (UniProt: M0R221)

PDB	External Database	Details
His 25	Tyr 31	engineered mutation
Arg 30	Gln 36	engineered mutation

B: 1 - 41 (GenBank: 21540012)
B: 42 - 69 (PDB: 7QR4)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	32696.5
All*	Total formula weight	32696.5

*Water molecules are not included.