Structure of PDB 8ddq Chain C

Receptor sequence

>8ddqC (length=962) Species: 10090 (Mus musculus)

ISKHTQLSPTDAFGTIEFQGGGHSNKAMYVRVSFDTKPDLLLHLMTKEWQ
LELPKLLISVHGGLQNFELQPKLKQVFGKGLIKAAMTTGAWIFTGGVNTG
VIRHVGDALKDHASKSRGKICTIGIAPWGIVENQEDLIGRDVVRPYQTMS
NPMSKLTVLNSMHSHFILADNGTTGKYGAEVKLRRQLEKHISLQKINTRI
GQGVPVVALIVEGGPNVISIVLEYLRDTPPVPVVVCDGSGRASDILAFGH
KYSEVTIQKTFTYTRTQAQHLFIILMECMKKKELITVFRMGSEGHQDIDL
AILTALLKGANASAPDQLSLALAWNRVDIARSQIFIYGQQWPVGSLEQAM
LDALVLDRVDFVKLLIENGVSMHRFLTISRLEELYNTRHGPSNTLYHLVR
DVKKGNLPPDYRISLIDIGLVIEYLMGGAYRCNYTRKRFRTLYHNLNHFP
FPFHELMVWAVLMKRQKMALFFWQHGEEAMAKALVACKLCKAMAHEASEN
DMVDDISQELNHNSRDFGQLAVELLDQSYKQDEQLAMKLLTYELKNWSNA
TCLQLAVAAKHRDFIAHTCSQMLLTDMWMGRLRMRKNSGLKVILGILLPP
SILSLEFKNGRKIYEFYNAPIVKFWFYTLAYIGYLMLFNYIVLVKMERWP
STQEWIVISYIFTLGIEKMREILMSEPGKLLQKVKVWLQEYWNVTDLIAI
LLFSVGMILRLQDQPFRSDGRVIYCVNIIYWYIRLLDIFGVNKYLGPYVM
MIGKMMIDMMYFVIIMLVVLMSFGVARQAILFPNEEPSWKLAKNIFYMPY
WMIYGEVFADQIDPPCQLPPCKTGAWIVPAIMACYLLVANILLVNLLIAV
FNNTFFEVKSISNQVWKFQRYQLIMTFHERPVLPPPLIIFSHMTMRDYGL
KLFITDDELKKVHDFEEQCIEEYFREKDDRFNSSNDERIRVTSERVENMS
MRLEEVNEREHS

3D structure

• PDB: 8ddq Structural and functional analyses of a GPCR-inhibited ion channel TRPM3.
• Chain: C
• Resolution: 2.7 Å

Interaction with ligand

Site #	Ligand	Ligand chain	Binding residues on receptor (original residue number in PDB)	Binding residues on receptor (residue number reindexed from 1)	Binding affinity
BS01	peptide	C	T133 Q134 L135 S136 P137 T138 V160 D298	T5 Q6 L7 S8 P9 T10 V32 D170
BS02	9Z9	C	M887 Y891	M636 Y640
BS03	9Z9	C	P1038 S1039	P787 S788

Gene Ontology

Molecular Function

• GO:0005216 monoatomic ion channel activity

Biological Process

• GO:0006811 monoatomic ion transport
• GO:0051262 protein tetramerization
• GO:0055085 transmembrane transport

Cellular Component

• GO:0016020 membrane

External links

• PDB: RCSB:8ddq, PDBe:8ddq, PDBj:8ddq
• PDBsum: 8ddq
• PubMed: 36283409
• UniProt: Q5F4S7