Structure of PDB 7lhf Chain C
Receptor sequence
>7lhfC (length=2300) Species:
10116
(Rattus norvegicus) [
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SSFLHIGDICSLYAEGSTNGFISTLGLVDDRCVVQPEAGDLNNPPKKFRD
CLFKLCPMNRYSAQKQFWKAAKPGANSTTDAVLLNKLHHAADLEKKQNET
ENRKLLGTVIQYGNVIQLLHLKSNKYLTVNKRLPALLEKNAMRVTLDEAG
NEGSWFYIQPFYKLRSIGDSVVIGDKVVLNPVNAGQPLHASSHQLVDNPG
CNEVNSVNCNTSWKIVLFMKWSDNKDDILKGGDVVRLFHAEQEKFLTCDE
HRKKQHVFLRTTGRQSATSATSSKALWEVEVVQHDPCRGGAGYWNSLFRF
KHLATGHYLAAEVDPDFEVYSLVSVPEGNDISSIFELDPTTLRGGDSLVP
RNSYVRLRHLCTNTWVHSTNIPIDKEEEKPVMLKIGTSPLKEDKEAFAIV
PVSPAEVRDLDFANDASKVLGSIAGKLEKGTITQNERRSVTKLLEDLVYF
VTGGTNSGQDVLEVVFSKPNRERQKLMREQNILKQIFKLLQAPFTDCGDL
RLEELGDQRHAPFRHICRLCYRVLRHSQQDYRKNQEYIAKQFGFMQKQIG
YDVLAEDTITALLHNNRKLLEKHITAAEIDTFVSLVRKNREPRFLDYLSD
LCVSMNKSIPVTQELICKAVLNPTNADILIETKLVLSREEEVWLFWRDSN
KEIRSKSVRELAQDAKEGQKEDRDVLSYYRYQLNLFARMCLDRQYLAINE
ISGQLDVDLILRCMSDENLPYDLRASFCRLMLHMHVDRDPQEQVTPVKYA
RLWSEIPSEIAIDDYDSSGASKDEIKERFAQTMEFVEEYLRDVVCQRFPF
SDKEKNKLTFEVVNLARNLIYFGFYNFSDLLRLTKILLAILDCVPEKEDI
MVMDTKLKIIEILQFILNVRLDYRISCLLCIFKREFDESNSQSPGALDFE
HIEEQAEGIFGGSEHGGRTFLRVLLHLTMHDYPPLVSGALQLLFRHFSQR
QEVLQAFKQVQLLVTSQDVDNYKQIKQDLDQLRSIVEKSESYNYRVVKEI
LIRLSKLCVQESASVRKSRKQQQRLLRNMGAHAVVLELLQIPYEKAEDTK
MQEIMRLAHEFLQNFCAGNQQNQALLHKHINLFLNPGILEAVTMQHIFMN
NFQLCSEINERVVQHFVHCIETHGRNVQYIKFLQTIVKAEGKFIKKCQDM
VMAELVNSGEDVLVFYNDRASFQTLIQMMRSERDRMDENSPLFMYHIHLV
ELLAVCTEGKNVYTEIKCNSLLPLDDIVRVVTHEDCIPEVKIAYINFLNH
CYVDTEVEMKEIYTSNHMWKLFENFLVDICRACNNTSDRKHADSVLEKYV
TEIVMSIVTTFFSSPFSDQSTTLQTRQPVFVQLLQGVFRVYHCNWLMPSQ
KASVESCIRRNIIERLQDIVSALEDRLRPLVQAELSVLVDVLHRPELLFP
ENTDARRKCESGGFICKLIKHTKQLLEENEEKLCIKVLQTLREMMTKDRG
YGLRQLEDHKRGEALRQILVNRYYSRGEMSLAEVQCHLDKEGASNLVIDL
IMNASSDRVFHESILLAIALLEGGNTTIQHSFFCRLTEDKKSEKFFKVFY
DRMKVAQQEIKATVTVNTSDLDDLEMSAVITIMQPILRFLQLLCENHNRD
LQNFLRCQNNKTNYNLVCETLQFLDCICGSTTGGLGLLGLYINEKNVALI
NQTLESLTEYCQGPCHENQNCIATHESNGIDIITALILNDINPLGKKRMD
LVLELKNNASKLLLAIMESRHDSENAERILYNMRPKELVEVIKKAYMQGE
VAASPRNVGHNIYILAHQLARHNKELQTMLKPGGQVDGDEALEFYAKHTA
QIEIVRLDRTMEQIVFPVPSICEFLTKESKLRIYYTTERDEQGSKINDFF
LRSEDLFNEMNWQKKLRAQPVLYWCARNMSFWSSISFNLAVLMNLLVAFF
YPFKGVRGGTLEPHWSGLLWTAMLISLAIVIALPKPHGIRALIASTILRL
IFSVGLQPTLFLLGAFNVCNKIIFLMSFVGNCGTFTRGYRAMVLDVEFLY
HLLYLLICAMGLFVHEFFYSLLLFDLVYREETLLNVIKSVTRNGRPIILT
AALALILVYLFSIVGYLFFKDDFILEVDRLPNKEHTCETLLMCIVTVLSH
GLRSGGGVGDVLRKPSKEEPLFAARVIYDLLFFFMVIIIVLNLIFGVIID
TFADLRSEKQKKEEILKTTCFICGLERDKFDNKTVTFEEHIKEEHNMWHY
LCFIVLVKVKDSTEYTGPESYVAEMIRERNLDWFPRMRAMSLVSSDSEGE
QNELRNLQEKLESTMKLVTNLSGQLSELKDQMTEQRKQKQRIGLLGHPPH
3D structure
PDB
7lhf
Cryo-EM structure of type 1 IP3R channel in a lipid bilayer
Chain
C
Resolution
2.96 Å
3D
structure
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Enzymatic activity
Enzyme Commision number
?
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
PLX
C
I2568 F2575
I2127 F2134
BS02
PLX
C
F2462 P2561 L2562 A2565
F2068 P2120 L2121 A2124
BS03
ZN
C
C2611 H2631 H2636
C2170 H2190 H2195
BS04
PLX
C
H2409 F2411 F2412
H2015 F2017 F2018
BS05
PLX
C
T2435 G2438 I2442
T2041 G2044 I2048
BS06
PLX
C
Y2394 D2419 Y2422
Y2000 D2025 Y2028
BS07
PLX
C
Y2422 K2432 T2435
Y2028 K2038 T2041
BS08
PLX
C
S2278 F2281 L2289 R2423
S1884 F1887 L1895 R2029
Gene Ontology
Molecular Function
GO:0005216
monoatomic ion channel activity
GO:0005220
inositol 1,4,5-trisphosphate-gated calcium channel activity
GO:0005262
calcium channel activity
GO:0005509
calcium ion binding
GO:0005515
protein binding
GO:0005524
ATP binding
GO:0015278
intracellularly gated calcium channel activity
GO:0019855
calcium channel inhibitor activity
GO:0019903
protein phosphatase binding
GO:0019904
protein domain specific binding
GO:0035091
phosphatidylinositol binding
GO:0042802
identical protein binding
GO:0044325
transmembrane transporter binding
GO:0044877
protein-containing complex binding
GO:0046872
metal ion binding
GO:0070679
inositol 1,4,5 trisphosphate binding
GO:0098695
inositol 1,4,5-trisphosphate receptor activity involved in regulation of postsynaptic cytosolic calcium levels
Biological Process
GO:0000902
cell morphogenesis
GO:0001666
response to hypoxia
GO:0006811
monoatomic ion transport
GO:0006816
calcium ion transport
GO:0006915
apoptotic process
GO:0007200
phospholipase C-activating G protein-coupled receptor signaling pathway
GO:0007204
positive regulation of cytosolic calcium ion concentration
GO:0007207
phospholipase C-activating G protein-coupled acetylcholine receptor signaling pathway
GO:0007338
single fertilization
GO:0009791
post-embryonic development
GO:0010976
positive regulation of neuron projection development
GO:0016358
dendrite development
GO:0019722
calcium-mediated signaling
GO:0032024
positive regulation of insulin secretion
GO:0032469
endoplasmic reticulum calcium ion homeostasis
GO:0036444
calcium import into the mitochondrion
GO:0042045
epithelial fluid transport
GO:0043065
positive regulation of apoptotic process
GO:0043066
negative regulation of apoptotic process
GO:0050849
negative regulation of calcium-mediated signaling
GO:0050882
voluntary musculoskeletal movement
GO:0051209
release of sequestered calcium ion into cytosol
GO:0051289
protein homotetramerization
GO:0051480
regulation of cytosolic calcium ion concentration
GO:0051928
positive regulation of calcium ion transport
GO:0055085
transmembrane transport
GO:0070059
intrinsic apoptotic signaling pathway in response to endoplasmic reticulum stress
GO:0070588
calcium ion transmembrane transport
GO:0071320
cellular response to cAMP
GO:0071456
cellular response to hypoxia
GO:0097421
liver regeneration
GO:0099105
ion channel modulating, G protein-coupled receptor signaling pathway
GO:0099566
regulation of postsynaptic cytosolic calcium ion concentration
GO:1903514
release of sequestered calcium ion into cytosol by endoplasmic reticulum
GO:1990806
ligand-gated ion channel signaling pathway
GO:2000347
positive regulation of hepatocyte proliferation
Cellular Component
GO:0005635
nuclear envelope
GO:0005637
nuclear inner membrane
GO:0005730
nucleolus
GO:0005737
cytoplasm
GO:0005783
endoplasmic reticulum
GO:0005789
endoplasmic reticulum membrane
GO:0005886
plasma membrane
GO:0005955
calcineurin complex
GO:0014069
postsynaptic density
GO:0016020
membrane
GO:0016529
sarcoplasmic reticulum
GO:0030425
dendrite
GO:0030658
transport vesicle membrane
GO:0030667
secretory granule membrane
GO:0030868
smooth endoplasmic reticulum membrane
GO:0031088
platelet dense granule membrane
GO:0031094
platelet dense tubular network
GO:0031410
cytoplasmic vesicle
GO:0032991
protein-containing complex
GO:0043025
neuronal cell body
GO:0045202
synapse
GO:0048471
perinuclear region of cytoplasm
GO:0097060
synaptic membrane
GO:0098685
Schaffer collateral - CA1 synapse
GO:0098793
presynapse
GO:0098794
postsynapse
GO:0098982
GABA-ergic synapse
View graph for
Molecular Function
View graph for
Biological Process
View graph for
Cellular Component
External links
PDB
RCSB:7lhf
,
PDBe:7lhf
,
PDBj:7lhf
PDBsum
7lhf
PubMed
UniProt
P29994
|ITPR1_RAT Inositol 1,4,5-trisphosphate-gated calcium channel ITPR1 (Gene Name=Itpr1)
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