3K75

X-ray crystal structure of reduced XRCC1 bound to DNA pol beta catalytic domain

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	B, C	DNA repair protein XRCC1	polymer	189	21060.5	2	UniProt (P18887) Pfam (PF01834) In PDB	Homo sapiens (human)	X-ray repair cross-complementing protein 1
2	D, E	DNA polymerase beta	polymer	252	29336.1	2	UniProt (P06766) Pfam (PF10391) Pfam (PF14792) Pfam (PF14791) In PDB	Rattus norvegicus (rat)

Sequence modifications

B, C: 1 - 183 (UniProt: P18887)

PDB	External Database	Details
His 184	-	expression tag
His 185	-	expression tag
His 186	-	expression tag
His 187	-	expression tag
His 188	-	expression tag
His 189	-	expression tag

D, E: 91 - 335 (UniProt: P06766)

PDB	External Database	Details
Met 90	-	expression tag
His 336	-	expression tag
His 337	-	expression tag
His 338	-	expression tag
His 339	-	expression tag
His 340	-	expression tag
His 341	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	100793.3
All*	Total formula weight	100793.3

*Water molecules are not included.