Reviewed, UniProtKB/Swiss-Prot Q712K3 (UB2R2_HUMAN)

Names and origin

Protein names

Recommended name:
    Ubiquitin-conjugating enzyme E2 R2
    EC=6.3.2.19
Alternative name(s):
    Ubiquitin-protein ligase R2
    Ubiquitin carrier protein R2
    E2-CDC34B

Gene names

Name:	UBE2R2
Synonyms:	CDC34B, UBC3B

Organism

Homo sapiens (Human)

Taxonomic identifier

9606 [NCBI]

Taxonomic lineage

Eukaryota › Metazoa › Chordata › Craniata › Vertebrata › Euteleostomi › Mammalia › Eutheria › Euarchontoglires › Primates › Haplorrhini › Catarrhini › Hominidae › Homo

Protein attributes

Sequence length	238 AA.
Sequence status	Complete.
Sequence processing	The displayed sequence is not processed.
Protein existence	Evidence at protein level.

General annotation (Comments)

Function	Catalyzes the covalent attachment of ubiquitin to other proteins. May be involved in degradation of katenin.
Catalytic activity	ATP + ubiquitin + protein lysine = AMP + diphosphate + protein N-ubiquityllysine.
Pathway	Protein modification; protein ubiquitination.
Subunit structure	When phosphorylated, interacts with beta-TrCP (BTRC).
Sequence similarities	Belongs to the ubiquitin-conjugating enzyme family.

Ontologies

Keywords
Biological process	Ubl conjugation pathway
Molecular function	Ligase
PTM	Phosphoprotein
Gene Ontology (GO)
Biological process	ubiquitin-dependent protein catabolic process Inferred from electronic annotation. Source: UniProtKB-KW
Molecular function	ubiquitin-protein ligase activity Inferred from electronic annotation. Source: EC
Complete GO annotation...

Sequence annotation (Features)

	Feature key	Position(s)	Length	Description	Graphical view	Feature identifier
Molecule processing
	Chain	1 – 238	238	Ubiquitin-conjugating enzyme E2 R2		PRO_0000280513
Regions
	Compositional bias	200 – 238	39	Asp/Glu-rich (acidic)
Sites
	Active site	93	1	Glycyl thioester intermediate
Amino acid modifications
	Modified residue	233	1	Phosphoserine; by CK2
Experimental info
	Mutagenesis	93	1	C → S: Loss of function
	Mutagenesis	97	1	L → S: Loss of function
	Mutagenesis	233	1	S → A: Abolishes phosphorylation by CK2
	Sequence conflict	39	1	Y → H in BAA91156. Ref.2
	Sequence conflict	127	1	V → A in BAA91156. Ref.2

Sequences

	Sequence		Length	Mass (Da)
	Q712K3-1 [UniParc]. Last modified July 5, 2004. Version 1. Checksum: E896CF0116A56308	FASTA	238	27,166
	10 20 30 40 50 60 MAQQQMTSSQ KALMLELKSL QEEPVEGFRI TLVDESDLYN WEVAIFGPPN TLYEGGYFKA 70 80 90 100 110 120 HIKFPIDYPY SPPTFRFLTK MWHPNIYENG DVCISILHPP VDDPQSGELP SERWNPTQNV 130 140 150 160 170 180 RTILLSVISL LNEPNTFSPA NVDASVMFRK WRDSKGKDKE YAEIIRKQVS ATKAEAEKDG 190 200 210 220 230 VKVPTTLAEY CIKTKVPSND NSSDLLYDDL YDDDIDDEDE EEEDADCYDD DDSGNEES

References

	« Hide 'large scale' referencesShow 'large scale' references »
[1]	"CK2-dependent phosphorylation of the E2 ubiquitin conjugating enzyme UBC3B induces its interaction with beta-TrCP and enhances beta-catenin degradation." Semplici F., Meggio F., Pinna L.A., Oliviero S. Oncogene 21:3978-3987(2002) [PubMed: 12037680] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [MRNA], ENZYME ACTIVITY, FUNCTION, INTERACTION WITH BTRC, PHOSPHORYLATION AT SER-233, MUTAGENESIS OF CYS-93; LEU-97 AND SER-233.
[2]	"Complete sequencing and characterization of 21,243 full-length human cDNAs." Ota T., Suzuki Y., Nishikawa T., Otsuki T., Sugiyama T., Irie R., Wakamatsu A., Hayashi K., Sato H., Nagai K., Kimura K., Makita H., Sekine M., Obayashi M., Nishi T., Shibahara T., Tanaka T., Ishii S. , Yamamoto J., Saito K., Kawai Y., Isono Y., Nakamura Y., Nagahari K., Murakami K., Yasuda T., Iwayanagi T., Wagatsuma M., Shiratori A., Sudo H., Hosoiri T., Kaku Y., Kodaira H., Kondo H., Sugawara M., Takahashi M., Kanda K., Yokoi T., Furuya T., Kikkawa E., Omura Y., Abe K., Kamihara K., Katsuta N., Sato K., Tanikawa M., Yamazaki M., Ninomiya K., Ishibashi T., Yamashita H., Murakawa K., Fujimori K., Tanai H., Kimata M., Watanabe M., Hiraoka S., Chiba Y., Ishida S., Ono Y., Takiguchi S., Watanabe S., Yosida M., Hotuta T., Kusano J., Kanehori K., Takahashi-Fujii A., Hara H., Tanase T.-O., Nomura Y., Togiya S., Komai F., Hara R., Takeuchi K., Arita M., Imose N., Musashino K., Yuuki H., Oshima A., Sasaki N., Aotsuka S., Yoshikawa Y., Matsunawa H., Ichihara T., Shiohata N., Sano S., Moriya S., Momiyama H., Satoh N., Takami S., Terashima Y., Suzuki O., Nakagawa S., Senoh A., Mizoguchi H., Goto Y., Shimizu F., Wakebe H., Hishigaki H., Watanabe T., Sugiyama A., Takemoto M., Kawakami B., Yamazaki M., Watanabe K., Kumagai A., Itakura S., Fukuzumi Y., Fujimori Y., Komiyama M., Tashiro H., Tanigami A., Fujiwara T., Ono T., Yamada K., Fujii Y., Ozaki K., Hirao M., Ohmori Y., Kawabata A., Hikiji T., Kobatake N., Inagaki H., Ikema Y., Okamoto S., Okitani R., Kawakami T., Noguchi S., Itoh T., Shigeta K., Senba T., Matsumura K., Nakajima Y., Mizuno T., Morinaga M., Sasaki M., Togashi T., Oyama M., Hata H., Watanabe M., Komatsu T., Mizushima-Sugano J., Satoh T., Shirai Y., Takahashi Y., Nakagawa K., Okumura K., Nagase T., Nomura N., Kikuchi H., Masuho Y., Yamashita R., Nakai K., Yada T., Nakamura Y., Ohara O., Isogai T., Sugano S. Nat. Genet. 36:40-45(2004) [PubMed: 14702039] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA]. Tissue: Carcinoma.
[3]	"Cloning of human full open reading frames in Gateway(TM) system entry vector (pDONR201)." Ebert L., Schick M., Neubert P., Schatten R., Henze S., Korn B. Submitted (JUN-2004) to the EMBL/GenBank/DDBJ databases Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA].
[4]	"DNA sequence and analysis of human chromosome 9." Humphray S.J., Oliver K., Hunt A.R., Plumb R.W., Loveland J.E., Howe K.L., Andrews T.D., Searle S., Hunt S.E., Scott C.E., Jones M.C., Ainscough R., Almeida J.P., Ambrose K.D., Ashwell R.I.S., Babbage A.K., Babbage S., Bagguley C.L. , Bailey J., Banerjee R., Barker D.J., Barlow K.F., Bates K., Beasley H., Beasley O., Bird C.P., Bray-Allen S., Brown A.J., Brown J.Y., Burford D., Burrill W., Burton J., Carder C., Carter N.P., Chapman J.C., Chen Y., Clarke G., Clark S.Y., Clee C.M., Clegg S., Collier R.E., Corby N., Crosier M., Cummings A.T., Davies J., Dhami P., Dunn M., Dutta I., Dyer L.W., Earthrowl M.E., Faulkner L., Fleming C.J., Frankish A., Frankland J.A., French L., Fricker D.G., Garner P., Garnett J., Ghori J., Gilbert J.G.R., Glison C., Grafham D.V., Gribble S., Griffiths C., Griffiths-Jones S., Grocock R., Guy J., Hall R.E., Hammond S., Harley J.L., Harrison E.S.I., Hart E.A., Heath P.D., Henderson C.D., Hopkins B.L., Howard P.J., Howden P.J., Huckle E., Johnson C., Johnson D., Joy A.A., Kay M., Keenan S., Kershaw J.K., Kimberley A.M., King A., Knights A., Laird G.K., Langford C., Lawlor S., Leongamornlert D.A., Leversha M., Lloyd C., Lloyd D.M., Lovell J., Martin S., Mashreghi-Mohammadi M., Matthews L., McLaren S., McLay K.E., McMurray A., Milne S., Nickerson T., Nisbett J., Nordsiek G., Pearce A.V., Peck A.I., Porter K.M., Pandian R., Pelan S., Phillimore B., Povey S., Ramsey Y., Rand V., Scharfe M., Sehra H.K., Shownkeen R., Sims S.K., Skuce C.D., Smith M., Steward C.A., Swarbreck D., Sycamore N., Tester J., Thorpe A., Tracey A., Tromans A., Thomas D.W., Wall M., Wallis J.M., West A.P., Whitehead S.L., Willey D.L., Williams S.A., Wilming L., Wray P.W., Young L., Ashurst J.L., Coulson A., Blocker H., Durbin R.M., Sulston J.E., Hubbard T., Jackson M.J., Bentley D.R., Beck S., Rogers J., Dunham I. Nature 429:369-374(2004) [PubMed: 15164053] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
[5]	"The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC)." The MGC Project Team Genome Res. 14:2121-2127(2004) [PubMed: 15489334] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA]. Tissue: Ovary and Testis.

Cross-references

Sequence databases
EMBLGenBankDDBJ	AJ240087 mRNA. Translation: CAC80336.1. AK000426 mRNA. Translation: BAA91156.1. CR457233 mRNA. Translation: CAG33514.1. AL139113 Genomic DNA. Translation: CAI39656.1. BC004862 mRNA. Translation: AAH04862.1. BC047584 mRNA. Translation: AAH47584.1.
RefSeq	NP_060281.2.
UniGene	Hs.705474
3D structure databases
HSSP	HSSP built from PDB template 1A3S based on UniProtKB P50550.
SMR	Q712K3. Positions 9-181.
ModBase	Search...
PTM databases
PhosphoSite	Q712K3.
Proteomic databases
PeptideAtlas	Q712K3.
Genome annotation databases
Ensembl	ENSG00000107341. Homo sapiens. [Contig view]
GeneID	54926.
KEGG	hsa:54926.
Organism-specific databases
HGNC	HGNC:19907. UBE2R2.
PharmGKB	PA134946881.
GenAtlas	Search...
GeneCards	Search...
Phylogenomic databases
HOVERGEN	Q712K3.
Gene expression databases
ArrayExpress	Q712K3.
CleanEx	HS_UBE2R2.
Family and domain databases
InterPro	IPR016135. UBQ-conjugat/RWD-like. IPR000608. UBQ-conjugat_E2. [Graphical view]
Gene3D	G3DSA:3.10.110.10. UBQ-conjugat_E2. 1 hit.
PANTHER	PTHR11621. UBQ-conjugat_E2. 1 hit.
Pfam	PF00179. UQ_con. 1 hit. [Graphical view]
ProDom	PD000461. UBQ_conjugat. 1 hit. [Graphical view] [Entries sharing at least one domain]
SMART	SM00212. UBCc. 1 hit. [Graphical view]
PROSITE	PS00183. UBIQUITIN_CONJUGAT_1. 1 hit. PS50127. UBIQUITIN_CONJUGAT_2. 1 hit. [Graphical view]
BLOCKS	Search...
ProtoNet	Search...
Other Resources
NextBio	58015.

Entry information

Entry name

UB2R2_HUMAN

Accession

Primary (citable) accession number: Q712K3
Secondary accession number(s): Q9NX64

Entry history

Integrated into UniProtKB/Swiss-Prot:	March 20, 2007
Last sequence update:	July 5, 2004
Last modified:	November 4, 2008
This is version 50 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation project

HPI (Human Proteome Initiative)