1L8Q

CRYSTAL STRUCTURE OF DNA REPLICATION INITIATION FACTOR

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Chromosomal replication initiator protein dnaA	polymer	324	38049.6	1	UniProt (O66659) Pfam (PF00308) Pfam (PF08299) In PDB	Aquifex aeolicus
2	A	MAGNESIUM ION	non-polymer		24.3	1	Chemie (MG)
3	A	ADENOSINE-5'-DIPHOSPHATE	non-polymer		427.2	1	Chemie (ADP)
4		water	water		18.0	47	Chemie (HOH)

Sequence modifications

A: 76 - 399 (UniProt: O66659)

PDB	External Database	Details
Mse 155	Met 155	MODIFIED RESIDUE
Mse 170	Met 170	MODIFIED RESIDUE
Mse 306	Met 306	MODIFIED RESIDUE
Mse 340	Met 340	MODIFIED RESIDUE

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	38049.6
Non-Polymers*	Number of molecules	2
	Total formula weight	451.5
All*	Total formula weight	38501.1

*Water molecules are not included.