Structure of PDB 1ctr Chain A

Receptor sequence
>1ctrA (length=141) Species: 9606 (Homo sapiens) [Search protein sequence]
ADQLTEEQIAEFKEAFSLFDKDGDGTITTKELGTVMRSLGQNPTEAELQD
MINEVDADGNGTIDFPEFLTMMARSEEEIREAFRVFDKDGNGYISAAELR
HVMTNLGEKLTDEEVDEMIREADIDGDGQVNYEEFVQMMTA
3D structure
PDB1ctr Drug binding by calmodulin: crystal structure of a calmodulin-trifluoperazine complex.
ChainA
Resolution2.45 Å
3D
structure
Catalytic site residues are labeled in the structure
[Spin on]
[Spin off]
[Reset orientation]

[High quality]
[Low quality]

[White background]
[Black background]

[Download]
[Download structure with residue number starting from 1]
Enzymatic activity
Catalytic site (original residue number in PDB) V35
Catalytic site (residue number reindexed from 1) V35
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 CA A D20 D22 D24 T26 E31 D20 D22 D24 T26 E31
BS02 CA A D56 D58 N60 T62 I63 E67 D56 D58 N60 T62 I63 E67
BS03 CA A D93 D95 N97 Y99 E104 D87 D89 N91 Y93 E98
BS04 CA A D129 D131 D133 Q135 E140 D123 D125 D127 Q129 E134
BS05 TFP A M124 E127 A128 V136 M144 M118 E121 A122 V130 M138 PDBbind-CN: -logKd/Ki=6.00,Kd=1uM
BindingDB: Kd=1000nM
Gene Ontology
Molecular Function
GO:0005509 calcium ion binding
GO:0005515 protein binding
GO:0010856 adenylate cyclase activator activity
GO:0019855 calcium channel inhibitor activity
GO:0019901 protein kinase binding
GO:0031432 titin binding
GO:0043539 protein serine/threonine kinase activator activity
GO:0044325 transmembrane transporter binding
GO:0046872 metal ion binding
GO:0048306 calcium-dependent protein binding
GO:0072542 protein phosphatase activator activity
Biological Process
GO:0000086 G2/M transition of mitotic cell cycle
GO:0002027 regulation of heart rate
GO:0005513 detection of calcium ion
GO:0007186 G protein-coupled receptor signaling pathway
GO:0010800 positive regulation of peptidyl-threonine phosphorylation
GO:0010801 negative regulation of peptidyl-threonine phosphorylation
GO:0010880 regulation of release of sequestered calcium ion into cytosol by sarcoplasmic reticulum
GO:0010881 regulation of cardiac muscle contraction by regulation of the release of sequestered calcium ion
GO:0016240 autophagosome membrane docking
GO:0021762 substantia nigra development
GO:0031954 positive regulation of protein autophosphorylation
GO:0032465 regulation of cytokinesis
GO:0035458 cellular response to interferon-beta
GO:0046427 positive regulation of receptor signaling pathway via JAK-STAT
GO:0050848 regulation of calcium-mediated signaling
GO:0051343 positive regulation of cyclic-nucleotide phosphodiesterase activity
GO:0051592 response to calcium ion
GO:0055117 regulation of cardiac muscle contraction
GO:0060314 regulation of ryanodine-sensitive calcium-release channel activity
GO:0060315 negative regulation of ryanodine-sensitive calcium-release channel activity
GO:0060316 positive regulation of ryanodine-sensitive calcium-release channel activity
GO:0071346 cellular response to type II interferon
GO:0071902 positive regulation of protein serine/threonine kinase activity
GO:0098901 regulation of cardiac muscle cell action potential
GO:0140056 organelle localization by membrane tethering
GO:0140238 presynaptic endocytosis
GO:1901020 negative regulation of calcium ion transmembrane transporter activity
GO:1901842 negative regulation of high voltage-gated calcium channel activity
GO:1901844 regulation of cell communication by electrical coupling involved in cardiac conduction
GO:1905913 negative regulation of calcium ion export across plasma membrane
GO:1990456 mitochondrion-endoplasmic reticulum membrane tethering
Cellular Component
GO:0000922 spindle pole
GO:0005576 extracellular region
GO:0005634 nucleus
GO:0005654 nucleoplasm
GO:0005737 cytoplasm
GO:0005813 centrosome
GO:0005819 spindle
GO:0005829 cytosol
GO:0005856 cytoskeleton
GO:0005876 spindle microtubule
GO:0005886 plasma membrane
GO:0008076 voltage-gated potassium channel complex
GO:0016020 membrane
GO:0030017 sarcomere
GO:0031514 motile cilium
GO:0031982 vesicle
GO:0032991 protein-containing complex
GO:0034704 calcium channel complex
GO:0043209 myelin sheath
GO:0044305 calyx of Held
GO:0097225 sperm midpiece
GO:0099523 presynaptic cytosol
GO:1902494 catalytic complex

View graph for
Molecular Function

View graph for
Biological Process

View graph for
Cellular Component
External links
PDB RCSB:1ctr, PDBe:1ctr, PDBj:1ctr
PDBsum1ctr
PubMed7803388
UniProtP0DP23|CALM1_HUMAN Calmodulin-1 (Gene Name=CALM1)

[Back to BioLiP]