3AXC

Crystal structure of linear diubiquitin

Functional Information from GO Data

Chain	GOid	namespace	contents
A	0002181	biological_process	cytoplasmic translation
A	0003723	molecular_function	RNA binding
A	0003735	molecular_function	structural constituent of ribosome
A	0005515	molecular_function	protein binding
A	0005615	cellular_component	extracellular space
A	0005634	cellular_component	nucleus
A	0005654	cellular_component	nucleoplasm
A	0005730	cellular_component	nucleolus
A	0005737	cellular_component	cytoplasm
A	0005741	cellular_component	mitochondrial outer membrane
A	0005789	cellular_component	endoplasmic reticulum membrane
A	0005829	cellular_component	cytosol
A	0005840	cellular_component	ribosome
A	0005886	cellular_component	plasma membrane
A	0006412	biological_process	translation
A	0010008	cellular_component	endosome membrane
A	0016020	cellular_component	membrane
A	0016567	biological_process	protein ubiquitination
A	0019941	biological_process	modification-dependent protein catabolic process
A	0022626	cellular_component	cytosolic ribosome
A	0022627	cellular_component	cytosolic small ribosomal subunit
A	0030666	cellular_component	endocytic vesicle membrane
A	0031386	molecular_function	protein tag activity
A	0031625	molecular_function	ubiquitin protein ligase binding
A	0031982	cellular_component	vesicle
A	0032040	cellular_component	small-subunit processome
A	0045202	cellular_component	synapse
A	0046872	molecular_function	metal ion binding
A	0070062	cellular_component	extracellular exosome
A	1990904	cellular_component	ribonucleoprotein complex

Functional Information from PDB Data

site_id	AC1
Number of Residues	9
Details	BINDING SITE FOR RESIDUE GOL A 153

Chain	Residue
A	GLU16
A	VAL17
A	ASP21
A	ASN25
A	LYS29
A	GLU94
A	ASP97
A	LYS105
A	HOH171

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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
A	LYS27-ASP52
A	LYS103-ASP128

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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
A	ARG130
A	ARG148

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

Chain	Residue	Details
A	HIS144

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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
A	SER141

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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
A	THR142

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site_id	SWS_FT_FI5
Number of Residues	1
Details	MOD_RES: ADP-ribosylglycine => ECO:0000269|PubMed:28525742

Chain	Residue	Details
A	GLY152

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site_id	SWS_FT_FI6
Number of Residues	1
Details	CROSSLNK: Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in ubiquitin) => ECO:0000269|PubMed:16443603

Chain	Residue	Details
A	LYS82

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site_id	SWS_FT_FI7
Number of Residues	2
Details	CROSSLNK: Glycyl lysine isopeptide (Gly-Lys) (interchain with K-? in acceptor proteins)

Chain	Residue	Details
A	GLY152

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site_id	SWS_FT_FI8
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
A	LYS87
A	LYS124

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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:0000305|PubMed:15466860

Chain	Residue	Details
A	LYS103

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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:16543144, ECO:0000269|PubMed:25752573, ECO:0000269|PubMed:25752577, ECO:0000269|PubMed:34239127

Chain	Residue	Details
A	LYS105

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site_id	SWS_FT_FI11
Number of Residues	1
Details	CROSSLNK: Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in ubiquitin) => ECO:0000269|PubMed:25752577

Chain	Residue	Details
A	LYS109

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site_id	SWS_FT_FI12
Number of Residues	1
Details	CROSSLNK: Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in ubiquitin) => ECO:0000269|PubMed:16543144, ECO:0000269|PubMed:18719106

Chain	Residue	Details
A	LYS139

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