General Information of Target

Target ID LDTP14705
Target Name Calponin-1 (CNN1)
Gene Name CNN1
Gene ID 1264
Synonyms
Calponin-1; Basic calponin; Calponin H1, smooth muscle
3D Structure
Download
2D Sequence (FASTA)
Download
3D Structure (PDB)
Download
Sequence
MDCRKMVRFSYSVIWIMAISKAFELGLVAGLGHQEFARPSRGDLAFRDDSIWPQEEPAIR
PRSSQRVLPMGIQHSKELNRTCCLNGGTCMLESFCACPPSFYGRNCEHDVRKENCGSVPH
DTWLPKKCSLCKCWHGQLRCFPQAFLPGCDGLVMDEHLVASRTPELPPSARTTTFMLAGI
CLSIQSYY
Target Bioclass
Other
Family
Calponin family
Function
Thin filament-associated protein that is implicated in the regulation and modulation of smooth muscle contraction. It is capable of binding to actin, calmodulin and tropomyosin. The interaction of calponin with actin inhibits the actomyosin Mg-ATPase activity.
Uniprot ID
P51911
Ensemble ID
ENST00000252456.7
HGNC ID
HGNC:2155

Target Site Mutations in Different Cell Lines

Cell line Mutation details Probe for labeling this protein in this cell
EFO27 Insertion: p.E107Ter .
HCT15 SNV: p.A4T .
MOLT4 SNV: p.K271E .

Probe(s) Labeling This Target

ABPP Probe
Click To Hide/Show 3 Probe Related to This Target
Probe name Structure Binding Site(Ratio) Interaction ID Ref
DBIA
 Probe Info 
C61(1.35)  LDD3443  [1]
HHS-475
 Probe Info 
Y268(0.84); Y189(0.88)  LDD0264  [2]
HHS-465
 Probe Info 
Y189(7.96); Y268(6.25)  LDD2237  [3]

Competitor(s) Related to This Target

Competitor ID Name Cell line Binding Site(Ratio) Interaction ID Ref
 LDCM0116  HHS-0101 DM93 Y268(0.84); Y189(0.88)  LDD0264  [2]
 LDCM0117  HHS-0201 DM93 Y189(0.69); Y268(0.77)  LDD0265  [2]
 LDCM0118  HHS-0301 DM93 Y189(0.72); Y268(0.82)  LDD0266  [2]
 LDCM0119  HHS-0401 DM93 Y189(0.78); Y268(0.87)  LDD0267  [2]
 LDCM0120  HHS-0701 DM93 Y268(0.85); Y189(1.01)  LDD0268  [2]
 LDCM0022  KB02 HuH-1 C61(1.26)  LDD2374  [1]
 LDCM0023  KB03 HuH-1 C61(3.13)  LDD2791  [1]
 LDCM0024  KB05 SNU-449 C61(1.35)  LDD3443  [1]

References

1 DrugMap: A quantitative pan-cancer analysis of cysteine ligandability. Cell. 2024 May 9;187(10):2536-2556.e30. doi: 10.1016/j.cell.2024.03.027. Epub 2024 Apr 22.
Mass spectrometry data entry: PXD047840
2 Discovery of a Cell-Active SuTEx Ligand of Prostaglandin Reductase 2. Chembiochem. 2021 Jun 15;22(12):2134-2139. doi: 10.1002/cbic.202000879. Epub 2021 Apr 29.
3 Global targeting of functional tyrosines using sulfur-triazole exchange chemistry. Nat Chem Biol. 2020 Feb;16(2):150-159. doi: 10.1038/s41589-019-0404-5. Epub 2019 Nov 25.