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 / : / positive regulation of adenylate cyclase activity / inositol phosphate metabolic process / membrane depolarization during atrial cardiac muscle cell action potential / calcium ion transmembrane transport via high voltage-gated calcium channel / 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 / : / positive regulation of adenylate cyclase activity / inositol phosphate metabolic process / membrane depolarization during atrial cardiac muscle cell action potential / calcium ion transmembrane transport via high voltage-gated calcium channel / Phase 2 - plateau phase / regulation of opsin-mediated signaling pathway / regulation of nitric-oxide synthase activity / platelet degranulation / high voltage-gated calcium channel activity / membrane depolarization during AV node cell action potential / : / : / : / : / cardiac conduction / : / positive regulation of protein autophosphorylation / L-type voltage-gated calcium channel complex / membrane depolarization during cardiac muscle cell action potential / positive regulation of muscle contraction / negative regulation of peptidyl-threonine phosphorylation / cell communication by electrical coupling involved in cardiac conduction / regulation of ventricular cardiac muscle cell action potential / : / NCAM1 interactions / camera-type eye development / type 3 metabotropic glutamate receptor binding / cardiac muscle cell action potential involved in contraction / embryonic forelimb morphogenesis / calcium ion transport into cytosol / glycogen catabolic process / positive regulation of peptidyl-threonine phosphorylation / CaM pathway / Cam-PDE 1 activation / Sodium/Calcium exchangers / positive regulation of DNA binding / Calmodulin induced events / voltage-gated calcium channel complex / Reduction of cytosolic Ca++ levels / Activation of Ca-permeable Kainate Receptor / CREB1 phosphorylation through the activation of CaMKII/CaMKK/CaMKIV cascasde / Loss of phosphorylation of MECP2 at T308 / CREB1 phosphorylation through the activation of Adenylate Cyclase / negative regulation of high voltage-gated calcium channel activity / PKA activation / CaMK IV-mediated phosphorylation of CREB / response to corticosterone / Glycogen breakdown (glycogenolysis) / CLEC7A (Dectin-1) induces NFAT activation / Activation of RAC1 downstream of NMDARs / negative regulation of ryanodine-sensitive calcium-release channel activity / organelle localization by membrane tethering / mitochondrion-endoplasmic reticulum membrane tethering / autophagosome membrane docking / Fc-epsilon receptor signaling pathway / negative regulation of calcium ion export across plasma membrane / regulation of cardiac muscle cell action potential / regulation of synaptic vesicle exocytosis / nitric-oxide synthase binding / presynaptic endocytosis / regulation of cell communication by electrical coupling involved in cardiac conduction / Synthesis of IP3 and IP4 in the cytosol / Phase 0 - rapid depolarisation / alpha-actinin binding / calcineurin-mediated signaling / Negative regulation of NMDA receptor-mediated neuronal transmission / Unblocking of NMDA receptors, glutamate binding and activation / regulation of heart rate by cardiac conduction / calcium ion import across plasma membrane / RHO GTPases activate PAKs / adenylate cyclase binding / regulation of ryanodine-sensitive calcium-release channel activity / Ion transport by P-type ATPases / viral process / Uptake and function of anthrax toxins / positive regulation of protein serine/threonine kinase activity / Long-term potentiation / protein phosphatase activator activity / Calcineurin activates NFAT / Regulation of MECP2 expression and activity / DARPP-32 events / Smooth Muscle Contraction / regulation of synaptic vesicle endocytosis / detection of calcium ion / regulation of cardiac muscle contraction / catalytic complex / RHO GTPases activate IQGAPs / regulation of cardiac muscle contraction by regulation of the release of sequestered calcium ion / enzyme regulator activity / activation of adenylate cyclase activity / phosphatidylinositol 3-kinase binding / voltage-gated calcium channel activity / positive regulation of nitric-oxide synthase activity / calcium channel inhibitor activity / Activation of AMPK downstream of NMDARs 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 / : ... 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.