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MolNFT v1 · #127431 · protein

Crystal structure of the genetically-encoded green calcium indicator ntnc in its calcium bound state

5MWC: “Crystal structure of the genetically-encoded green calcium indicator ntnc in its calcium bound state”. X-ray diffraction, 2 ligands (CR2, CA), 7 pockets (best druggability 0.76). MolNFT v1 #127431 on GenesisL1: 3D structure, binding…

PDB
5MWC
Type
protein
Length
528 residues
Chains
2
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Genetically-encoded green calcium indicator ntnc
Ligands
CR2, CA
Pockets
7 · best druggability 0.76

Structure

x-ray diffraction · 2 distinct chains · 16% helix, 48% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
DGenetically-encoded green calcium indicator ntncprotein27518% helix, 47% strand—
AGenetically-encoded green calcium indicator ntncprotein25313% helix, 50% strand—

Ligands and binding sites

  • CR2 · {(4Z)-2-(aminomethyl)-4-[(4-hydroxyphenyl)methylidene]-5-oxo-4,5-dihydro-1H-imidazol-1-yl}acetic acid · ligand · 2 copies · chains D, A
  • CA · Calcium ion · metal · 3 copies · chains D, A

Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.

Pockets

7 pockets found on a 1 Å grid, 3 with a druggability of 0.5 or more.

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
1920.760.9829CR2
2760.730.9726CR2
33720.560.7451empty
41430.450.7623empty
51170.420.7620empty

Interfaces

1 interface between chains.

  • D–A · 330 Ų buried · 8 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 4 cofactor (chromophore).

Compared structures

  • 5MWC · Crystal structure of the genetically-encoded green calcium indicator NTnC in its calcium… · the same entry in another collection · chain D against D, TM-score 1.00

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