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UniProtKB - Q9QYU4 (CRYM_RAT)
Protein
Ketimine reductase mu-crystallin
Gene
Crym
Organism
Rattus norvegicus (Rat)
Status
Functioni
Specifically catalyzes the reduction of imine bonds in brain substrates that may include cystathionine ketimine (CysK) and lanthionine ketimine (LK). Binds thyroid hormone which is a strong reversible inhibitor. Presumably involved in the regulation of the free intracellular concentration of triiodothyronine and access to its nuclear receptors (By similarity).
By similarityCatalytic activityi
- (3R)-1,4-thiomorpholine-3-carboxylate + NAD+ = 3,4-dehydrothiomorpholine-3-carboxylate + 2 H+ + NADHEC:1.5.1.25
- (3R)-1,4-thiomorpholine-3-carboxylate + NADP+ = 3,4-dehydrothiomorpholine-3-carboxylate + 2 H+ + NADPHEC:1.5.1.25
Sites
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
Binding sitei | 167 | NADPBy similarity | 1 | |
Binding sitei | 168 | NADPBy similarity | 1 |
Regions
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
Nucleotide bindingi | 142 – 147 | NADPBy similarity | 6 |
GO - Molecular functioni
- hormone binding Source: RGD
- NADP binding Source: RGD
- protein homodimerization activity Source: RGD
- thiomorpholine-carboxylate dehydrogenase activity Source: RGD
- thyroid hormone binding Source: RGD
- transcription corepressor activity Source: RGD
GO - Biological processi
- mitochondrial transport Source: RGD
- negative regulation of transcription by RNA polymerase II Source: RGD
- response to hormone Source: RGD
- response to vitamin D Source: RGD
- sensory perception of sound Source: RGD
- thyroid hormone metabolic process Source: RGD
- thyroid hormone transport Source: RGD
Keywordsi
Molecular function | Oxidoreductase |
Ligand | NAD, NADP |
Enzyme and pathway databases
BRENDAi | 1.5.1.21, 5301 |
Reactomei | R-RNO-71064, Lysine catabolism |
Names & Taxonomyi
Protein namesi | Recommended name: Ketimine reductase mu-crystallin (EC:1.5.1.25)Alternative name(s): CDK108 NADP-regulated thyroid-hormone-binding protein |
Gene namesi | Name:Crym |
Organismi | Rattus norvegicus (Rat) |
Taxonomic identifieri | 10116 [NCBI] |
Taxonomic lineagei | Eukaryota › Metazoa › Chordata › Craniata › Vertebrata › Euteleostomi › Mammalia › Eutheria › Euarchontoglires › Glires › Rodentia › Myomorpha › Muroidea › Muridae › Murinae › Rattus |
Proteomesi |
|
Organism-specific databases
RGDi | 620943, Crym |
Subcellular locationi
Cytoplasm and Cytosol
- Cytoplasm By similarity
Cytosol
- cytosol Source: RGD
Mitochondrion
- mitochondrion Source: RGD
Nucleus
- nucleus Source: RGD
Other locations
- cytoplasm Source: RGD
Keywords - Cellular componenti
CytoplasmPTM / Processingi
Molecule processing
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
ChainiPRO_0000200680 | 1 – 313 | Ketimine reductase mu-crystallinAdd BLAST | 313 |
Proteomic databases
PaxDbi | Q9QYU4 |
PRIDEi | Q9QYU4 |
2D gel databases
World-2DPAGEi | 0004:Q9QYU4 |
PTM databases
iPTMneti | Q9QYU4 |
PhosphoSitePlusi | Q9QYU4 |
Interactioni
Subunit structurei
Homodimer.
By similarityGO - Molecular functioni
- protein homodimerization activity Source: RGD
Protein-protein interaction databases
BioGRIDi | 250625, 2 interactors |
IntActi | Q9QYU4, 1 interactor |
MINTi | Q9QYU4 |
STRINGi | 10116.ENSRNOP00000066476 |
Family & Domainsi
Sequence similaritiesi
Belongs to the ornithine cyclodeaminase/mu-crystallin family.Curated
Phylogenomic databases
eggNOGi | KOG3007, Eukaryota |
InParanoidi | Q9QYU4 |
OrthoDBi | 1345495at2759 |
PhylomeDBi | Q9QYU4 |
Family and domain databases
Gene3Di | 3.30.1780.10, 1 hit |
InterProi | View protein in InterPro IPR036291, NAD(P)-bd_dom_sf IPR003462, ODC_Mu_crystall IPR023401, ODC_N |
PANTHERi | PTHR13812, PTHR13812, 1 hit |
Pfami | View protein in Pfam PF02423, OCD_Mu_crystall, 1 hit |
PIRSFi | PIRSF001439, CryM, 1 hit |
SUPFAMi | SSF51735, SSF51735, 1 hit |
(1+)i Sequence
Sequence statusi: Complete.
This entry has 1 described isoform and 2 potential isoforms that are computationally mapped.Show allAlign All
Q9QYU4-1 [UniParc]FASTAAdd to basket
10 20 30 40 50
MRRAPAFLSA DEVQDHLRSS SLLIPPLEAA LANFSKGPDG GVMQPVRTVV
60 70 80 90 100
PVAKHRGFLG VMPAYSAAED ALTTKLVTFY EGHSNNAVPS HQASVLLFDP
110 120 130 140 150
SNGSLLAVMD GNVITAKRTA AVSAIATKFL KPPGSDVLCI LGAGVQAYSH
160 170 180 190 200
YEIFTEQFSF KEVRMWNRTR ENAEKFASSV QGDVRVCSSV QEAVTGADVI
210 220 230 240 250
ITVTMATEPI LFGEWVKPGA HINAVGASRP DWRELDDELM KQAVLYVDSR
260 270 280 290 300
EAALKESGDV LLSGADIFAE LGEVVSGAKP AYCEKTTVFK SLGMAVEDLV
310
AAKLVYDSWS SGK
Computationally mapped potential isoform sequencesi
There are 2 potential isoforms mapped to this entry.BLASTAlignShow allAdd to basketA0A0G2K568 | A0A0G2K568_RAT | Ketimine reductase mu-crystallin | Crym | 311 | Annotation score: | ||
A0A8I5Y7D3 | A0A8I5Y7D3_RAT | Ketimine reductase mu-crystallin | Crym | 356 | Annotation score: |
Sequence databases
Select the link destinations: EMBLi GenBanki DDBJi Links Updated | Y17328 mRNA Translation: CAB56625.1 BC088121 mRNA Translation: AAH88121.1 |
RefSeqi | NP_446407.1, NM_053955.1 |
Genome annotation databases
Ensembli | ENSRNOT00000088482; ENSRNOP00000073313; ENSRNOG00000061215 |
GeneIDi | 117024 |
KEGGi | rno:117024 |
Similar proteinsi
Cross-referencesi
Sequence databases
Select the link destinations: EMBLi GenBanki DDBJi Links Updated | Y17328 mRNA Translation: CAB56625.1 BC088121 mRNA Translation: AAH88121.1 |
RefSeqi | NP_446407.1, NM_053955.1 |
3D structure databases
AlphaFoldDBi | Q9QYU4 |
SMRi | Q9QYU4 |
ModBasei | Search... |
Protein-protein interaction databases
BioGRIDi | 250625, 2 interactors |
IntActi | Q9QYU4, 1 interactor |
MINTi | Q9QYU4 |
STRINGi | 10116.ENSRNOP00000066476 |
PTM databases
iPTMneti | Q9QYU4 |
PhosphoSitePlusi | Q9QYU4 |
2D gel databases
World-2DPAGEi | 0004:Q9QYU4 |
Proteomic databases
PaxDbi | Q9QYU4 |
PRIDEi | Q9QYU4 |
Genome annotation databases
Ensembli | ENSRNOT00000088482; ENSRNOP00000073313; ENSRNOG00000061215 |
GeneIDi | 117024 |
KEGGi | rno:117024 |
Organism-specific databases
CTDi | 1428 |
RGDi | 620943, Crym |
Phylogenomic databases
eggNOGi | KOG3007, Eukaryota |
InParanoidi | Q9QYU4 |
OrthoDBi | 1345495at2759 |
PhylomeDBi | Q9QYU4 |
Enzyme and pathway databases
BRENDAi | 1.5.1.21, 5301 |
Reactomei | R-RNO-71064, Lysine catabolism |
Miscellaneous databases
PROi | PR:Q9QYU4 |
Family and domain databases
Gene3Di | 3.30.1780.10, 1 hit |
InterProi | View protein in InterPro IPR036291, NAD(P)-bd_dom_sf IPR003462, ODC_Mu_crystall IPR023401, ODC_N |
PANTHERi | PTHR13812, PTHR13812, 1 hit |
Pfami | View protein in Pfam PF02423, OCD_Mu_crystall, 1 hit |
PIRSFi | PIRSF001439, CryM, 1 hit |
SUPFAMi | SSF51735, SSF51735, 1 hit |
MobiDBi | Search... |
Entry informationi
Entry namei | CRYM_RAT | |
Accessioni | Q9QYU4Primary (citable) accession number: Q9QYU4 | |
Entry historyi | Integrated into UniProtKB/Swiss-Prot: | March 29, 2004 |
Last sequence update: | May 1, 2000 | |
Last modified: | May 25, 2022 | |
This is version 107 of the entry and version 1 of the sequence. See complete history. | ||
Entry statusi | Reviewed (UniProtKB/Swiss-Prot) | |
Annotation program | Chordata Protein Annotation Program |
Miscellaneousi
Keywords - Technical termi
Direct protein sequencing, Reference proteomeDocuments
- SIMILARITY comments
Index of protein domains and families