General Information of Target

Target ID LDTP00228
Target Name Signal-regulatory protein beta-1 (SIRPB1)
Gene Name SIRPB1
Gene ID 10326
Synonyms
Signal-regulatory protein beta-1; SIRP-beta-1; CD172 antigen-like family member B; CD antigen CD172b
3D Structure
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2D Sequence (FASTA)
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3D Structure (PDB)
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Sequence
MPVPASWPHLPSPFLLMTLLLGRLTGVAGEDELQVIQPEKSVSVAAGESATLRCAMTSLI
PVGPIMWFRGAGAGRELIYNQKEGHFPRVTTVSELTKRNNLDFSISISNITPADAGTYYC
VKFRKGSPDDVEFKSGAGTELSVRAKPSAPVVSGPAVRATPEHTVSFTCESHGFSPRDIT
LKWFKNGNELSDFQTNVDPAGDSVSYSIHSTARVVLTRGDVHSQVICEIAHITLQGDPLR
GTANLSEAIRVPPTLEVTQQPMRAENQANVTCQVSNFYPRGLQLTWLENGNVSRTETAST
LIENKDGTYNWMSWLLVNTCAHRDDVVLTCQVEHDGQQAVSKSYALEISAHQKEHGSDIT
HEAALAPTAPLLVALLLGPKLLLVVGVSAIYICWKQKA
Target Bioclass
Transporter and channel
Subcellular location
Cell membrane
Function
Immunoglobulin-like cell surface receptor involved in the negative regulation of receptor tyrosine kinase-coupled signaling processes. Participates also in the recruitment of tyrosine kinase SYK. Triggers activation of myeloid cells when associated with TYROBP.
Uniprot ID
O00241
Ensemble ID
ENST00000381603.7
HGNC ID
HGNC:15928

Target Site Mutations in Different Cell Lines

Cell line Mutation details Probe for labeling this protein in this cell
IGROV1 SNV: p.S210I .
NCIH82 SNV: p.S106I .
RKO SNV: p.I60T .
SNU1 SNV: p.Q81H .

Probe(s) Labeling This Target

ABPP Probe
Click To Hide/Show 2 Probe Related to This Target
Probe name Structure Binding Site(Ratio) Interaction ID Ref
OPA-S-S-alkyne
 Probe Info 
K82(1.32)  LDD3494  [1]
DBIA
 Probe Info 
C331(2.15)  LDD3427  [2]

Competitor(s) Related to This Target

Competitor ID Name Cell line Binding Site(Ratio) Interaction ID Ref
 LDCM0022  KB02 A2058 C331(1.43)  LDD2253  [2]
 LDCM0023  KB03 A2058 C331(1.68)  LDD2670  [2]
 LDCM0024  KB05 SK-MEL-28 C331(2.15)  LDD3427  [2]

References

1 A chemical proteomics approach for global mapping of functional lysines on cell surface of living cell. Nat Commun. 2024 Apr 8;15(1):2997. doi: 10.1038/s41467-024-47033-w.
Mass spectrometry data entry: PXD042888
2 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