Entry Database : PDB / ID : 2be6 Structure visualization Downloads & linksTitle 2.0 A crystal structure of the CaV1.2 IQ domain-Ca/CaM complex ComponentsCalmodulin 2 Voltage-dependent L-type calcium channel alpha-1C subunit DetailsKeywords MEMBRANE PROTEIN / calmodulin / calcium channel / IQ domain / inactivation / facilitation / calcium-dependent / gating / voltage-gatedFunction / homology Function and homology informationFunction Domain/homology Component
Wnt signaling pathway, calcium modulating pathway / voltage-gated calcium channel activity involved in AV node cell action potential / voltage-gated calcium channel activity involved in cardiac muscle cell action potential / immune system development / regulation of high voltage-gated calcium channel activity / positive regulation of adenylate cyclase activity / inositol phosphate metabolic process / regulation of opsin-mediated signaling pathway / membrane depolarization during atrial cardiac muscle cell action potential / Phase 2 - plateau phase ... Wnt signaling pathway, calcium modulating pathway / voltage-gated calcium channel activity involved in AV node cell action potential / voltage-gated calcium channel activity involved in cardiac muscle cell action potential / immune system development / regulation of high voltage-gated calcium channel activity / positive regulation of adenylate cyclase activity / inositol phosphate metabolic process / regulation of opsin-mediated signaling pathway / membrane depolarization during atrial cardiac muscle cell action potential / Phase 2 - plateau phase / calcium ion transmembrane transport via high voltage-gated calcium channel / platelet degranulation / regulation of nitric-oxide synthase activity / positive regulation of muscle contraction / membrane depolarization during AV node cell action potential / high voltage-gated calcium channel activity / : / : / positive regulation of cyclic-nucleotide phosphodiesterase activity / cardiac conduction / L-type voltage-gated calcium channel complex / : / membrane depolarization during cardiac muscle cell action potential / establishment of protein localization to mitochondrial membrane / cell communication by electrical coupling involved in cardiac conduction / type 3 metabotropic glutamate receptor binding / regulation of ventricular cardiac muscle cell action potential / camera-type eye development / NCAM1 interactions / cardiac muscle cell action potential involved in contraction / embryonic forelimb morphogenesis / glycogen catabolic process / calcium ion transport into cytosol / CaM pathway / Cam-PDE 1 activation / Sodium/Calcium exchangers / Calmodulin induced events / Reduction of cytosolic Ca++ levels / Activation of Ca-permeable Kainate Receptor / CREB1 phosphorylation through the activation of CaMKII/CaMKK/CaMKIV cascasde / voltage-gated calcium channel complex / Loss of phosphorylation of MECP2 at T308 / CREB1 phosphorylation through the activation of Adenylate Cyclase / PKA activation / positive regulation of DNA binding / CaMK IV-mediated phosphorylation of CREB / negative regulation of high voltage-gated calcium channel activity / response to corticosterone / Glycogen breakdown (glycogenolysis) / nitric-oxide synthase binding / CLEC7A (Dectin-1) induces NFAT activation / negative regulation of peptidyl-threonine phosphorylation / Activation of RAC1 downstream of NMDARs / organelle localization by membrane tethering / negative regulation of calcium ion export across plasma membrane / regulation of synaptic vesicle exocytosis / mitochondrion-endoplasmic reticulum membrane tethering / autophagosome membrane docking / presynaptic endocytosis / regulation of cardiac muscle cell action potential / positive regulation of ryanodine-sensitive calcium-release channel activity / Synthesis of IP3 and IP4 in the cytosol / regulation of cell communication by electrical coupling involved in cardiac conduction / Phase 0 - rapid depolarisation / negative regulation of ryanodine-sensitive calcium-release channel activity / Negative regulation of NMDA receptor-mediated neuronal transmission / alpha-actinin binding / Fc-epsilon receptor signaling pathway / calcineurin-mediated signaling / Unblocking of NMDA receptors, glutamate binding and activation / RHO GTPases activate PAKs / regulation of synaptic vesicle endocytosis / regulation of heart rate by cardiac conduction / Ion transport by P-type ATPases / Uptake and function of anthrax toxins / calcium ion import across plasma membrane / Long-term potentiation / protein phosphatase activator activity / Regulation of MECP2 expression and activity / Calcineurin activates NFAT / adenylate cyclase binding / regulation of ryanodine-sensitive calcium-release channel activity / DARPP-32 events / Smooth Muscle Contraction / catalytic complex / detection of calcium ion / regulation of cardiac muscle contraction / viral process / RHO GTPases activate IQGAPs / phosphatidylinositol 3-kinase binding / voltage-gated calcium channel activity / regulation of cardiac muscle contraction by regulation of the release of sequestered calcium ion / presynaptic cytosol / calcium channel inhibitor activity / positive regulation of protein autophosphorylation / cellular response to interferon-beta / Protein methylation / Activation of AMPK downstream of NMDARs / positive regulation of peptidyl-threonine phosphorylation / Ion homeostasis Similarity search - Function Calmodulin / Voltage-dependent calcium channel, L-type, alpha-1C subunit / Voltage-gated calcium channel subunit alpha, C-terminal / Voltage-gated calcium channel subunit alpha, C-term / Voltage-dependent calcium channel, L-type, alpha-1 subunit / Voltage-dependent calcium channel, alpha-1 subunit, IQ domain / Voltage gated calcium channel IQ domain / Voltage gated calcium channel IQ domain / Voltage-dependent calcium channel, alpha-1 subunit / Voltage-dependent L-type calcium channel, IQ-associated domain ... Calmodulin / Voltage-dependent calcium channel, L-type, alpha-1C subunit / Voltage-gated calcium channel subunit alpha, C-terminal / Voltage-gated calcium channel subunit alpha, C-term / Voltage-dependent calcium channel, L-type, alpha-1 subunit / Voltage-dependent calcium channel, alpha-1 subunit, IQ domain / Voltage gated calcium channel IQ domain / Voltage gated calcium channel IQ domain / Voltage-dependent calcium channel, alpha-1 subunit / Voltage-dependent L-type calcium channel, IQ-associated domain / Voltage-dependent L-type calcium channel, IQ-associated / : / Voltage-dependent channel domain superfamily / EF-hand / : / Recoverin; domain 1 / EF-hand domain pair / EF-hand, calcium binding motif / EF-Hand 1, calcium-binding site / EF-hand calcium-binding domain. / EF-hand calcium-binding domain profile. / EF-hand domain / Ion transport domain / Ion transport protein / EF-hand domain pair / Orthogonal Bundle / Mainly Alpha Similarity search - Domain/homology NICKEL (II) ION / Calmodulin-1 / Voltage-dependent L-type calcium channel subunit alpha-1C / Voltage-dependent L-type calcium channel subunit alpha-1C / Calmodulin-1 Similarity search - ComponentBiological species Homo sapiens (human)Method X-RAY DIFFRACTION / SYNCHROTRON / MAD / Resolution : 2 Å DetailsAuthors Van Petegem, F. / Chatelain, F.C. / Minor Jr., D.L. CitationJournal : Nat.Struct.Mol.Biol. / Year : 2005Title : Insights into voltage-gated calcium channel regulation from the structure of the Ca(V)1.2 IQ domain-Ca(2+)/calmodulin complexAuthors : van Petegem, F. / Chatelain, F.C. / Minor Jr., D.L. History Deposition Oct 23, 2005 Deposition site : RCSB / Processing site : RCSBRevision 1.0 Nov 15, 2005 Provider : repository / Type : Initial releaseRevision 1.1 May 1, 2008 Group : Version format complianceRevision 1.2 Jul 13, 2011 Group : Advisory / Version format complianceRevision 1.3 Oct 18, 2017 Group : Refinement description / Category : softwareRevision 1.4 Dec 21, 2022 Group : Database references / Derived calculationsCategory : database_2 / pdbx_struct_conn_angle ... database_2 / pdbx_struct_conn_angle / struct_conn / struct_ref_seq_dif / struct_site Item : _database_2.pdbx_DOI / _database_2.pdbx_database_accession ... _database_2.pdbx_DOI / _database_2.pdbx_database_accession / _pdbx_struct_conn_angle.ptnr1_auth_comp_id / _pdbx_struct_conn_angle.ptnr1_auth_seq_id / _pdbx_struct_conn_angle.ptnr1_label_alt_id / _pdbx_struct_conn_angle.ptnr1_label_asym_id / _pdbx_struct_conn_angle.ptnr1_label_atom_id / _pdbx_struct_conn_angle.ptnr1_label_comp_id / _pdbx_struct_conn_angle.ptnr1_label_seq_id / _pdbx_struct_conn_angle.ptnr2_auth_comp_id / _pdbx_struct_conn_angle.ptnr2_auth_seq_id / _pdbx_struct_conn_angle.ptnr2_label_asym_id / _pdbx_struct_conn_angle.ptnr2_label_atom_id / _pdbx_struct_conn_angle.ptnr2_label_comp_id / _pdbx_struct_conn_angle.ptnr3_auth_comp_id / _pdbx_struct_conn_angle.ptnr3_auth_seq_id / _pdbx_struct_conn_angle.ptnr3_label_alt_id / _pdbx_struct_conn_angle.ptnr3_label_asym_id / _pdbx_struct_conn_angle.ptnr3_label_atom_id / _pdbx_struct_conn_angle.ptnr3_label_comp_id / _pdbx_struct_conn_angle.ptnr3_label_seq_id / _pdbx_struct_conn_angle.value / _struct_conn.pdbx_dist_value / _struct_conn.pdbx_ptnr1_label_alt_id / _struct_conn.pdbx_ptnr2_label_alt_id / _struct_conn.ptnr1_auth_asym_id / _struct_conn.ptnr1_auth_comp_id / _struct_conn.ptnr1_auth_seq_id / _struct_conn.ptnr1_label_asym_id / _struct_conn.ptnr1_label_atom_id / _struct_conn.ptnr1_label_comp_id / _struct_conn.ptnr1_label_seq_id / _struct_conn.ptnr2_auth_asym_id / _struct_conn.ptnr2_auth_comp_id / _struct_conn.ptnr2_auth_seq_id / _struct_conn.ptnr2_label_asym_id / _struct_conn.ptnr2_label_atom_id / _struct_conn.ptnr2_label_comp_id / _struct_conn.ptnr2_label_seq_id / _struct_ref_seq_dif.details / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id Revision 1.5 May 22, 2024 Group : Data collection / Category : chem_comp_atom / chem_comp_bond
Show all Show less Remark 600 HETEROGEN Calcium 501, 502, 503, 504 are associated with chain A, Ca 506, 507, 508, 509 with chain ... HETEROGEN Calcium 501, 502, 503, 504 are associated with chain A, Ca 506, 507, 508, 509 with chain B and Ca 511, 512, 513, 514 with chain C. Ni 505 is associated with chain A, 510 with chain B and 515 with chain C.