Reviewed, UniProtKB/Swiss-Prot Q7Z7E8 (UB2Q1_HUMAN)

Names and origin

Protein names

Recommended name:
    Ubiquitin-conjugating enzyme E2 Q1
    EC=6.3.2.19
Alternative name(s):
    Ubiquitin-protein ligase Q1
    Ubiquitin carrier protein Q1
    Protein NICE-5

Gene names

Name:	UBE2Q1
Synonyms:	NICE5, UBE2Q
ORF Names:	PRO3094

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	422 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 By similarity.
Catalytic activity	ATP + ubiquitin + protein lysine = AMP + diphosphate + protein N-ubiquityllysine.
Pathway	Protein modification; protein ubiquitination.
Tissue specificity	Widely expressed.
Sequence similarities	Belongs to the ubiquitin-conjugating enzyme family.

Ontologies

Keywords
Biological process	Ubl conjugation pathway
Coding sequence diversity	Alternative splicing
Ligand	ATP-binding Nucleotide-binding
Molecular function	Ligase
Technical term	3D-structure
Gene Ontology (GO)
Biological process	post-translational protein modification Inferred from electronic annotation. Source: InterPro regulation of protein metabolic process Inferred from electronic annotation. Source: InterPro ubiquitin-dependent protein catabolic process Inferred from electronic annotation. Source: UniProtKB-KW
Molecular function	ATP binding Inferred from electronic annotation. Source: UniProtKB-KW ubiquitin-protein ligase activity Inferred from electronic annotation. Source: EC
Complete GO annotation...

Binary interactions

With	Entry	#Exp.	IntAct	Notes
STUB1	Q9UNE7	2	EBI-1783287,EBI-357085

Alternative products

This entry describes 2 isoforms produced by alternative splicing. [Align] [Select]

Isoform 1 (identifier: Q7Z7E8-1)

This isoform has been chosen as the 'canonical' sequence. All positional information in this entry refers to it. This is also the sequence that appears in the downloadable versions of the entry.

Isoform 2 (identifier: Q7Z7E8-2)

The sequence of this isoform differs from the canonical sequence as follows:
     1-169: Missing.

Notes: No experimental confirmation available.

Sequence annotation (Features)

Feature key

Position(s)

Length

Description

Graphical view

Feature identifier

Molecule processing

Chain

1 – 422

422

Ubiquitin-conjugating enzyme E2 Q1

PRO_0000223876

Regions

Compositional bias

8 – 38

31

Gly-rich

Sites

Active site

351

1

Glycyl thioester intermediate By similarity

Natural variations

Alternative sequence

1 – 169

169

Missing in isoform 2.

VSP_017296

Experimental info

Sequence conflict

287

1

N → Y Ref.5

Secondary structure

1

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422

Helix Strand Turn

Details...

Helix

250 – 264

15

Helix

267 – 270

4

Beta strand

273 – 278

6

Helix

279 – 281

3

Beta strand

285 – 291

7

Helix

298 – 309

12

Beta strand

315 – 320

6

Turn

325 – 327

3

Beta strand

331 – 337

7

Beta strand

339 – 341

3

Beta strand

348 – 350

3

Turn

357 – 359

3

Helix

366 – 379

14

Beta strand

386 – 388

3

Helix

390 – 392

3

Helix

395 – 405

11

Sequences

	Sequence		Length	Mass (Da)
	Isoform 1 [UniParc]. Last modified October 1, 2003. Version 1. Checksum: 106FF7E59DF65555	FASTA	422	46,127
	10 20 30 40 50 60 MQQPQPQGQQ QPGPGQQLGG QGAAPGAGGG PGGGPGPGPC LRRELKLLES IFHRGHERFR 70 80 90 100 110 120 IASACLDELS CEFLLAGAGG AGAGAAPGPH LPPRGSVPGD PVRIHCNITE SYPAVPPIWS 130 140 150 160 170 180 VESDDPNLAA VLERLVDIKK GNTLLLQHLK RIISDLCKLY NLPQHPDVEM LDQPLPAEQC 190 200 210 220 230 240 TQEDVSSEDE DEEMPEDTED LDHYEMKEEE PAEGKKSEDD GIGKENLAIL EKIKKNQRQD 250 260 270 280 290 300 YLNGAVSGSV QATDRLMKEL RDIYRSQSFK GGNYAVELVN DSLYDWNVKL LKVDQDSALH 310 320 330 340 350 360 NDLQILKEKE GADFILLNFS FKDNFPFDPP FVRVVSPVLS GGYVLGGGAI CMELLTKQGW 370 380 390 400 410 420 SSAYSIESVI MQISATLVKG KARVQFGANK SQYSLTRAQQ SYKSLVQIHE KNGWYTPPKE DG
	Isoform 2 [UniParc]. Checksum: 63C896449FD35EF2		253	28,473
	10 20 30 40 50 60 MLDQPLPAEQ CTQEDVSSED EDEEMPEDTE DLDHYEMKEE EPAEGKKSED DGIGKENLAI 70 80 90 100 110 120 LEKIKKNQRQ DYLNGAVSGS VQATDRLMKE LRDIYRSQSF KGGNYAVELV NDSLYDWNVK 130 140 150 160 170 180 LLKVDQDSAL HNDLQILKEK EGADFILLNF SFKDNFPFDP PFVRVVSPVL SGGYVLGGGA 190 200 210 220 230 240 ICMELLTKQG WSSAYSIESV IMQISATLVK GKARVQFGAN KSQYSLTRAQ QSYKSLVQIH 250 EKNGWYTPPK EDG

References

	« Hide 'large scale' referencesShow 'large scale' references »
[1]	"Isolation and characterization of the human UBE2Q gene and its murine ortholog." Altmann M.E., Schulze E., Adham I.M., Koehler M., Engel W. Submitted (MAY-2002) to the EMBL/GenBank/DDBJ databases Cited for: NUCLEOTIDE SEQUENCE [MRNA] (ISOFORM 1).
[2]	"The DNA sequence and biological annotation of human chromosome 1." Gregory S.G., Barlow K.F., McLay K.E., Kaul R., Swarbreck D., Dunham A., Scott C.E., Howe K.L., Woodfine K., Spencer C.C.A., Jones M.C., Gillson C., Searle S., Zhou Y., Kokocinski F., McDonald L., Evans R., Phillips K. , Atkinson A., Cooper R., Jones C., Hall R.E., Andrews T.D., Lloyd C., Ainscough R., Almeida J.P., Ambrose K.D., Anderson F., Andrew R.W., Ashwell R.I.S., Aubin K., Babbage A.K., Bagguley C.L., Bailey J., Beasley H., Bethel G., Bird C.P., Bray-Allen S., Brown J.Y., Brown A.J., Buckley D., Burton J., Bye J., Carder C., Chapman J.C., Clark S.Y., Clarke G., Clee C., Cobley V., Collier R.E., Corby N., Coville G.J., Davies J., Deadman R., Dunn M., Earthrowl M., Ellington A.G., Errington H., Frankish A., Frankland J., French L., Garner P., Garnett J., Gay L., Ghori M.R.J., Gibson R., Gilby L.M., Gillett W., Glithero R.J., Grafham D.V., Griffiths C., Griffiths-Jones S., Grocock R., Hammond S., Harrison E.S.I., Hart E., Haugen E., Heath P.D., Holmes S., Holt K., Howden P.J., Hunt A.R., Hunt S.E., Hunter G., Isherwood J., James R., Johnson C., Johnson D., Joy A., Kay M., Kershaw J.K., Kibukawa M., Kimberley A.M., King A., Knights A.J., Lad H., Laird G., Lawlor S., Leongamornlert D.A., Lloyd D.M., Loveland J., Lovell J., Lush M.J., Lyne R., Martin S., Mashreghi-Mohammadi M., Matthews L., Matthews N.S.W., McLaren S., Milne S., Mistry S., Moore M.J.F., Nickerson T., O'Dell C.N., Oliver K., Palmeiri A., Palmer S.A., Parker A., Patel D., Pearce A.V., Peck A.I., Pelan S., Phelps K., Phillimore B.J., Plumb R., Rajan J., Raymond C., Rouse G., Saenphimmachak C., Sehra H.K., Sheridan E., Shownkeen R., Sims S., Skuce C.D., Smith M., Steward C., Subramanian S., Sycamore N., Tracey A., Tromans A., Van Helmond Z., Wall M., Wallis J.M., White S., Whitehead S.L., Wilkinson J.E., Willey D.L., Williams H., Wilming L., Wray P.W., Wu Z., Coulson A., Vaudin M., Sulston J.E., Durbin R.M., Hubbard T., Wooster R., Dunham I., Carter N.P., McVean G., Ross M.T., Harrow J., Olson M.V., Beck S., Rogers J., Bentley D.R. Nature 441:315-321(2006) [PubMed: 16710414] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
[3]	"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] (ISOFORM 2), NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] OF 163-422 (ISOFORM 1). Tissue: Cervix and Uterus.
[4]	"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] OF 204-422.
[5]	"Identification of human epidermal differentiation complex (EDC)-encoded genes by subtractive hybridization of entire YACs to a gridded keratinocyte cDNA library." Marenholz I., Zirra M., Fischer D.F., Backendorf C., Ziegler A., Mischke D. Genome Res. 11:341-355(2001) [PubMed: 11230159] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [MRNA] OF 282-422, TISSUE SPECIFICITY. Tissue: Keratinocyte.
[6]	"Functional prediction of the coding sequences of 121 new genes deduced by analysis of cDNA clones from human fetal liver." Zhang C., Yu Y., Zhang S., Wei H., Zhou G., Ouyang S., Luo L., Bi J., Liu M., He F. Submitted (DEC-1998) to the EMBL/GenBank/DDBJ databases Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] OF 312-386. Tissue: Fetal liver.
[7]	"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] OF 352-422.

Cross-references

Sequence databases

EMBLGenBankDDBJ

AY112698 mRNA. Translation: AAM60814.1.
AL592078 Genomic DNA. Translation: CAI16186.1.
BC000848 mRNA. Translation: AAH00848.1.
BC015316 mRNA. Translation: AAH15316.1. Different initiation.
BC061583 mRNA. Translation: AAH61583.1. Different initiation.
BC070158 mRNA. Translation: AAH70158.1.
BC087836 mRNA. Translation: AAH87836.1. Different initiation.
BC107057 mRNA. Translation: AAI07058.1. Different initiation.
AK056388 mRNA. Translation: BAB71173.1. Different initiation.
AJ243666 mRNA. Translation: CAB65097.1. Different initiation.
AF116721 mRNA. Translation: AAF71141.1. Different initiation.
CR457219 mRNA. Translation: CAG33500.1.

RefSeq

NP_060052.3.

UniGene

Hs.607928

3D structure databases

PDBMSD

Entry	Method	Resolution (Å)	Chain	Positions	PDBsum
2QGX	X-ray	2.56	A/B/C/D	247-414	[»]

ModBase

Search...

Protein-protein interaction databases

IntAct

Q7Z7E8.

PTM databases

PhosphoSite

Q7Z7E8.

Genome annotation databases

Ensembl

ENSG00000160714. Homo sapiens. [Contig view]

GeneID

55585.

KEGG

hsa:55585.

Organism-specific databases

H-InvDB

HIX0087635.

HGNC

HGNC:15698. UBE2Q1.

PharmGKB

PA38029.

GenAtlas

Search...

GeneCards

Search...

Phylogenomic databases

HOVERGEN

Q7Z7E8.

Gene expression databases

ArrayExpress

Q7Z7E8.

CleanEx

HS_UBE2Q1.

GermOnline

ENSG00000160714. Homo sapiens.

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. False negative.
PS50127. UBIQUITIN_CONJUGAT_2. 1 hit.
[Graphical view]

ProtoNet

Search...

Other Resources

LinkHub

Q7Z7E8.

NextBio

60100.

Entry information

Entry name

UB2Q1_HUMAN

Accession

Primary (citable) accession number: Q7Z7E8
Secondary accession number(s): Q3B841 , Q5I0X2, Q6IS04, Q6P7P2, Q96MV4, Q9BVX5, Q9UGL6

Entry history

Integrated into UniProtKB/Swiss-Prot:	February 21, 2006
Last sequence update:	October 1, 2003
Last modified:	November 25, 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)