7YK9

Neutron Structure of PcyA I86D Mutant Complexed with Biliverdin at Room Temperature

Summary for 7YK9

Entry DOI	10.2210/pdb7yk9/pdb
Related	4qcd 5B4H 5B4I 5B4J
Descriptor	Phycocyanobilin:ferredoxin oxidoreductase, 3-[5-[(Z)-(4-ethenyl-3-methyl-5-oxidanylidene-pyrrol-2-ylidene)methyl]-2-[[5-[(Z)-(3-ethenyl-4-methyl-5-oxidanylidene-pyrrol-2-ylidene)methyl]-3-(3-hydroxy-3-oxopropyl)-4-methyl-1H-pyrrol-2-yl]methyl]-4-methyl-1H-pyrrol-3-yl]propanoic acid (3 entities in total)
Functional Keywords	phycocyanobilin, biliverdin, neutron, joint-refinement, room temperature, pigment, substrate, inactive, absorption spectrum, hydrogen atom, proton, mutant, oxidoreductase
Biological source	Synechocystis sp. PCC 6803
Total number of polymer chains	1
Total formula weight	28742.75
Authors	Unno, M.,Igarashi, K. (deposition date: 2022-07-22, release date: 2023-01-25, Last modification date: 2024-04-03)
Primary citation	Joutsuka, T.,Nanasawa, R.,Igarashi, K.,Horie, K.,Sugishima, M.,Hagiwara, Y.,Wada, K.,Fukuyama, K.,Yano, N.,Mori, S.,Ostermann, A.,Kusaka, K.,Unno, M. Neutron crystallography and quantum chemical analysis of bilin reductase PcyA mutants reveal substrate and catalytic residue protonation states. J.Biol.Chem., 299:102763-102763, 2022 Cited by PubMed: 36463961 DOI: 10.1016/j.jbc.2022.102763 PDB entries with the same primary citation
Experimental method	NEUTRON DIFFRACTION (2 Å) X-RAY DIFFRACTION (1.9 Å)

Structure validation