5OMC

Crystal structure of K. lactis Ddc2 N-terminus in complex with S. cerevisiae Rfa1 (K45E mutant) N-OB domain

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Replication factor A protein 1	polymer	134	15382.3	2	UniProt (P22336) In PDB	Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (Baker's yeast)	RF-A protein 1,DNA-binding protein BUF2,Replication protein A 69 kDa DNA-binding subunit,Single-stranded DNA-binding protein
2	C, D	DNA damage checkpoint protein LCD1	polymer	111	12946.7	2	UniProt (Q6CUV9) In PDB	Kluyveromyces lactis (Yeast)
3	B, D	CHLORIDE ION	non-polymer		35.5	3	Chemie (CL)
4		water	water		18.0	92	Chemie (HOH)

Sequence modifications

A, B: 1 - 132 (UniProt: P22336)

PDB	External Database	Details
Gly -1	-	expression tag
Pro 0	-	expression tag
Glu 45	Lys 45	engineered mutation

C, D: 1 - 109 (UniProt: Q6CUV9)

PDB	External Database	Details
Gly -1	-	expression tag
Pro 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	56658.0
Non-Polymers*	Number of molecules	3
	Total formula weight	106.4
All*	Total formula weight	56764.4

*Water molecules are not included.