Identification
HMDB Protein ID CDBP05121
Secondary Accession Numbers Not Available
Name Ubiquitin carboxyl-terminal hydrolase 21
Description Not Available
Synonyms
  1. Deubiquitinating enzyme 21
  2. Ubiquitin thiolesterase 21
  3. Ubiquitin-specific-processing protease 21
Gene Name USP21
Protein Type Enzyme
Biological Properties
General Function Involved in ubiquitin thiolesterase activity
Specific Function Deubiquitinates histone H2A, a specific tag for epigenetic transcriptional repression, thereby acting as a coactivator. Deubiquitination of histone H2A releaves the repression of di- and trimethylation of histone H3 at 'Lys-4', resulting in regulation of transcriptional initiation. Regulates gene expression via histone H2A deubiquitination. Also capable of removing NEDD8 from NEDD8 conjugates but has no effect on Sentrin-1 conjugates
GO Classification
Function
hydrolase activity
ubiquitin thiolesterase activity
thiolester hydrolase activity
hydrolase activity, acting on ester bonds
catalytic activity
Process
metabolic process
catabolic process
macromolecule catabolic process
cellular macromolecule catabolic process
modification-dependent macromolecule catabolic process
modification-dependent protein catabolic process
ubiquitin-dependent protein catabolic process
Cellular Location
  1. Nucleus
Pathways
Gene Properties
Chromosome Location Chromosome:1
Locus 1q22
SNPs USP21
Gene Sequence
>1698 bp
ATGCCCCAGGCCTCTGAGCACCGCCTGGGCCGTACCCGAGAGCCACCTGTTAATATCCAG
CCCCGAGTGGGATCCAAGCTACCATTTGCCCCCAGGGCCCGCAGCAAGGAGCGCAGAAAC
CCAGCCTCTGGGCCAAACCCCATGTTACGACCTCTGCCTCCCCGGCCAGGTCTGCCTGAT
GAACGGCTCAAGAAACTGGAGCTGGGACGGGGACGGACCTCAGGCCCTCGTCCCAGAGGC
CCCCTTCGAGCAGATCATGGGGTTCCCCTGCCTGGCTCACCACCCCCAACAGTGGCTTTG
CCTCTCCCATCTCGGACCAACTTAGCCCGTTCCAAGTCTGTGAGCAGTGGGGACTTGCGT
CCAATGGGGATTGCCTTGGGAGGGCACCGTGGCACCGGAGAGCTTGGGGCTGCACTGAGC
CGCTTGGCCCTCCGGCCTGAGCCACCCACTTTGAGACGTAGCACTTCTCTCCGCCGCCTA
GGGGGCTTTCCTGGACCCCCTACCCTGTTCAGCATACGGACAGAGCCCCCTGCTTCCCAT
GGCTCCTTCCACATGATATCCGCCCGGTCCTCTGAGCCTTTCTACTCTGATGACAAGATG
GCTCATCACACACTCCTTCTGGGCTCTGGTCATGTTGGCCTTCGAAACCTGGGAAACACG
TGCTTCCTGAATGCTGTGCTGCAGTGTCTGAGCAGCACTCGACCTCTTCGGGACTTCTGT
CTGAGAAGGGACTTCCGGCAAGAGGTGCCTGGAGGAGGCCGAGCCCAAGAGCTCACTGAA
GCCTTTGCAGATGTGATTGGTGCCCTCTGGCACCCTGACTCCTGCGAAGCTGTGAATCCT
ACTCGATTCCGAGCTGTCTTCCAGAAATATGTTCCCTCCTTCTCTGGATACAGCCAGCAG
GATGCCCAAGAGTTCCTGAAGCTCCTCATGGAGCGGCTACACCTTGAAATCAACCGCCGA
GGCCGCCGGGCTCCACCGATACTTGCCAATGGTCCAGTTCCCTCTCCACCCCGCCGAGGA
GGGGCTCTGCTAGAAGAACCTGAGTTAAGTGATGATGACCGAGCCAACCTAATGTGGAAA
CGTTACCTGGAGCGAGAGGACAGCAAGATTGTGGACCTGTTTGTGGGCCAGTTGAAAAGT
TGTCTCAAGTGCCAGGCCTGTGGGTATCGCTCCACGACCTTCGAGGTTTTTTGTGACCTG
TCCCTGCCCATCCCCAAGAAAGGATTTGCTGGGGGCAAGGTGTCTCTGCGGGATTGTTTC
AACCTTTTCACTAAGGAAGAAGAGCTAGAGTCGGAGAATGCCCCAGTGTGTGACCGATGT
CGGCAGAAAACTCGAAGTACCAAAAAGTTGACAGTACAAAGATTCCCTCGAATCCTCGTG
CTCCATCTGAATCGATTTTCTGCCTCCCGAGGCTCCATCAAAAAAAGTTCAGTAGGTGTA
GACTTTCCACTGCAGCGACTGAGCCTAGGGGACTTTGCCAGTGACAAAGCCGGAAGTCCT
GTATACCAGCTGTATGCCCTTTGCAACCACTCAGGCAGCGTCCACTATGGCCACTACACA
GCCCTGTGCCGGTGCCAGACTGGTTGGCATGTCTACAATGACTCTCGTGTCTCCCCTGTC
AGTGAAAACCAGGTGGCATCCAGCGAGGGCTACGTGCTGTTCTACCAACTGATGCAGGAG
CCACCCCGGTGCCTGTGA
Protein Properties
Number of Residues 565
Molecular Weight 62655.1
Theoretical pI 10.37
Pfam Domain Function
Signals
  • ["None"]
Transmembrane Regions
  • ["None"]
Protein Sequence
>Ubiquitin carboxyl-terminal hydrolase 21
MPQASEHRLGRTREPPVNIQPRVGSKLPFAPRARSKERRNPASGPNPMLRPLPPRPGLPD
ERLKKLELGRGRTSGPRPRGPLRADHGVPLPGSPPPTVALPLPSRTNLARSKSVSSGDLR
PMGIALGGHRGTGELGAALSRLALRPEPPTLRRSTSLRRLGGFPGPPTLFSIRTEPPASH
GSFHMISARSSEPFYSDDKMAHHTLLLGSGHVGLRNLGNTCFLNAVLQCLSSTRPLRDFC
LRRDFRQEVPGGGRAQELTEAFADVIGALWHPDSCEAVNPTRFRAVFQKYVPSFSGYSQQ
DAQEFLKLLMERLHLEINRRGRRAPPILANGPVPSPPRRGGALLEEPELSDDDRANLMWK
RYLEREDSKIVDLFVGQLKSCLKCQACGYRSTTFEVFCDLSLPIPKKGFAGGKVSLRDCF
NLFTKEEELESENAPVCDRCRQKTRSTKKLTVQRFPRILVLHLNRFSASRGSIKKSSVGV
DFPLQRLSLGDFASDKAGSPVYQLYALCNHSGSVHYGHYTALCRCQTGWHVYNDSRVSPV
SENQVASSEGYVLFYQLMQEPPRCL
GenBank ID Protein Not Available
UniProtKB/Swiss-Prot ID Q9UK80
UniProtKB/Swiss-Prot Entry Name UBP21_HUMAN
PDB IDs Not Available
GenBank Gene ID AF177758
GeneCard ID USP21
GenAtlas ID USP21
HGNC ID HGNC:12620
References
General References Not Available