8SIU

Origin Recognition Complex Associated (ORCA) protein bound to Orc2

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Leucine-rich repeat and WD repeat-containing protein 1	polymer	383	42230.7	1	UniProt (A0A140UHX1) Pfam (PF00400) In PDB	Rattus norvegicus (Norway rat)	Origin recognition complex-associated protein
2	B	Origin recognition complex subunit 2	polymer	103	11570.1	1	UniProt (Q75PQ8) In PDB	Rattus norvegicus (Norway rat)
3	A	SULFATE ION	non-polymer		96.1	2	Chemie (SO4)
4		water	water		18.0	321	Chemie (HOH)

Sequence modifications

A: -1 - 648 (UniProt: A0A140UHX1)

PDB	External Database	Details
Ser -3	-	expression tag
Asn -2	-	expression tag
Arg 646	Lys 646	engineered mutation
Arg 647	Thr 647	engineered mutation

B: 1 - 100 (UniProt: Q75PQ8)

PDB	External Database	Details
Ser -2	-	expression tag
Asn -1	-	expression tag
Ala 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	53800.8
Non-Polymers*	Number of molecules	2
	Total formula weight	192.1
All*	Total formula weight	53992.9

*Water molecules are not included.