4PJ3

Structural insight into the function and evolution of the spliceosomal helicase Aquarius, Structure of Aquarius in complex with AMPPNP

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Intron-binding protein aquarius	polymer	1475	172555.4	1	UniProt (O60306) Pfam (PF16399) Pfam (PF21143) Pfam (PF21144) Pfam (PF13086) Pfam (PF13087) In PDB	Homo sapiens (Human)	Intron-binding protein of 160 kDa,IBP160
2	A	PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER	non-polymer		506.2	1	Chemie (ANP)
3	A	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)
4		water	water		18.0	555	Chemie (HOH)

Sequence modifications

A: 19 - 1485 (UniProt: O60306)

PDB	External Database	Details
His 1486	-	expression tag
His 1487	-	expression tag
His 1488	-	expression tag
His 1489	-	expression tag
His 1490	-	expression tag
His 1491	-	expression tag
His 1492	-	expression tag
His 1493	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	172555.4
Non-Polymers*	Number of molecules	3
	Total formula weight	554.8
All*	Total formula weight	173110.2

*Water molecules are not included.