6SR7

Structure of the U1A variant A1-98 Y31H/Q36R/K98W

This is a non-PDB format compatible entry.

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	AAA, BBB, CCC, DDD	U1 small nuclear ribonucleoprotein A	polymer	98	11397.3	4	UniProt (P09012) Pfam (PF00076) In PDB	Homo sapiens (Human)	U1A
2	CCC	SULFATE ION	non-polymer		96.1	1	Chemie (SO4)
3		water	water		18.0	81	Chemie (HOH)

Sequence modifications

AAA, BBB, CCC, DDD: 1 - 98 (UniProt: P09012)

PDB	External Database	Details
His 31	Tyr 31	engineered mutation
Arg 36	Gln 36	engineered mutation
Trp 98	Lys 98	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	45589.4
Non-Polymers*	Number of molecules	1
	Total formula weight	96.1
All*	Total formula weight	45685.4

*Water molecules are not included.