6SQV

Structure of the U1A variant A1-98 Y31H/Q36R/R70W

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	11426.4	4	UniProt (P09012) Pfam (PF00076) In PDB	Homo sapiens (Human)	U1A
2	AAA, CCC	SULFATE ION	non-polymer		96.1	3	Chemie (SO4)
3		water	water		18.0	5	Chemie (HOH)

Sequence modifications

AAA, BBB, CCC, DDD: 1 - 97 (UniProt: P09012)

PDB	External Database	Details
His 31	Tyr 31	engineered mutation
Arg 36	Gln 36	engineered mutation
Trp 70	Arg 70	engineered mutation
Trp 98	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	45705.4
Non-Polymers*	Number of molecules	3
	Total formula weight	288.2
All*	Total formula weight	45993.6

*Water molecules are not included.