4IUM

Equine arteritis virus papain-like protease 2 (PLP2) covalently bound to ubiquitin

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	papain-like protease 2	polymer	142	15234.3	1	UniProt (P19811) Pfam (PF05412) In PDB	Equine arteritis virus (EAV)
2	B	Ubiquitin	polymer	76	8560.9	1	UniProt (P0CG48) Pfam (PF00240) In PDB	Homo sapiens (human)
3	A	ZINC ION	non-polymer		65.4	1	Chemie (ZN)
4	A, B	GLYCEROL	non-polymer		92.1	2	Chemie (GOL)
5		water	water		18.0	260	Chemie (HOH)

Sequence modifications

A: 261 - 392 (UniProt: P19811)

PDB	External Database	Details
Gly 393	-	EXPRESSION TAG
Ser 394	-	EXPRESSION TAG
Ser 395	-	EXPRESSION TAG
Gly 396	-	EXPRESSION TAG
His 397	-	EXPRESSION TAG
His 398	-	EXPRESSION TAG
His 399	-	EXPRESSION TAG
His 400	-	EXPRESSION TAG
His 401	-	EXPRESSION TAG
His 402	-	EXPRESSION TAG

B: 1 - 75 (UniProt: P0CG48)

PDB	External Database	Details
3cn 76	-	LINKER

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	23795.2
Non-Polymers*	Number of molecules	3
	Total formula weight	249.6
All*	Total formula weight	24044.8

*Water molecules are not included.