2C5U

T4 RNA Ligase (Rnl1) Crystal Structure

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	RNA LIGASE	polymer	375	44352.7	2	UniProt (P00971) Pfam (PF09511) Pfam (PF20819) In PDB	BACTERIOPHAGE T4	T4 RNA LIGASE 1
2	A, B	DIPHOSPHOMETHYLPHOSPHONIC ACID ADENOSYL ESTER	non-polymer		505.2	2	Chemie (APC)
3	A, B	CALCIUM ION	non-polymer		40.1	4	Chemie (CA)
4	A, B	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)
5	A, B	CHLORIDE ION	non-polymer		35.5	3	Chemie (CL)
6		water	water		18.0	730	Chemie (HOH)

Sequence modifications

A, B: 0 - 0 (PDB: 2C5U)
A, B: 1 - 374 (UniProt: P00971)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	88705.4
Non-Polymers*	Number of molecules	11
	Total formula weight	1325.7
All*	Total formula weight	90031.1

*Water molecules are not included.