4IUM

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

Functional Information from GO Data

Chain	GOid	namespace	contents
A	0016032	biological_process	viral process
A	0019082	biological_process	viral protein processing

Functional Information from PDB Data

site_id	AC1
Number of Residues	4
Details	BINDING SITE FOR RESIDUE ZN A 501

Chain	Residue
A	CYS319
A	CYS349
A	CYS354
A	CYS356

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site_id	AC2
Number of Residues	7
Details	BINDING SITE FOR RESIDUE GOL A 502

Chain	Residue
B	ASP32
B	HOH223
A	MET278
A	GLY280
A	LYS323
A	TYR324
A	HOH710

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site_id	AC3
Number of Residues	8
Details	BINDING SITE FOR RESIDUE GOL B 101

Chain	Residue
A	ILE313
B	THR7
B	LEU8
B	ILE36
B	LEU69
B	HOH239
B	HOH284
B	HOH285

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Functional Information from PROSITE/UniProt

site_id	PS00299
Number of Residues	26
Details	UBIQUITIN_1 Ubiquitin domain signature. KakIqDkegIPpdqQrLIFaGkqleD

Chain	Residue	Details
B	LYS27-ASP52

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Functional Information from SwissProt/UniProt

site_id	SWS_FT_FI1
Number of Residues	2
Details	SITE: Interacts with activating enzyme

Chain	Residue	Details
B	ARG54
B	ARG72

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site_id	SWS_FT_FI2
Number of Residues	1
Details	SITE: Essential for function

Chain	Residue	Details
B	HIS68
A	CYS349
A	CYS354
A	CYS356

---

site_id	SWS_FT_FI3
Number of Residues	1
Details	MOD_RES: Phosphoserine; by PINK1 => ECO:0000269|PubMed:24660806, ECO:0000269|PubMed:24751536, ECO:0000269|PubMed:24784582, ECO:0000269|PubMed:25527291

Chain	Residue	Details
B	SER65

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site_id	SWS_FT_FI4
Number of Residues	1
Details	MOD_RES: (Microbial infection) ADP-ribosylthreonine => ECO:0000269|PubMed:32330457

Chain	Residue	Details
B	THR66

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site_id	SWS_FT_FI5
Number of Residues	1
Details	CROSSLNK: Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in ubiquitin) => ECO:0000269|PubMed:16443603

Chain	Residue	Details
B	LYS6

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site_id	SWS_FT_FI6
Number of Residues	2
Details	CROSSLNK: Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in ubiquitin) => ECO:0000269|PubMed:16543144, ECO:0000269|PubMed:18719106

Chain	Residue	Details
B	LYS63

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site_id	SWS_FT_FI7
Number of Residues	2
Details	CROSSLNK: Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in ubiquitin) => ECO:0000269|PubMed:16443603, ECO:0000269|PubMed:16543144

Chain	Residue	Details
B	LYS11
B	LYS48

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site_id	SWS_FT_FI8
Number of Residues	1
Details	CROSSLNK: Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in ubiquitin) => ECO:0000305|PubMed:15466860

Chain	Residue	Details
B	LYS27

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site_id	SWS_FT_FI9
Number of Residues	1
Details	CROSSLNK: Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in ubiquitin) => ECO:0000269|PubMed:16543144, ECO:0000269|PubMed:25752573, ECO:0000269|PubMed:25752577, ECO:0000269|PubMed:34239127

Chain	Residue	Details
B	LYS29

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site_id	SWS_FT_FI10
Number of Residues	1
Details	CROSSLNK: Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in ubiquitin) => ECO:0000269|PubMed:25752577

Chain	Residue	Details
B	LYS33

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