G Koyama

Structure of coformycin, an unusual nucleoside of microbial origin

H. Nakamura, G Koyama, Yöichi Iitaka et al. · Journal of the American Chemical Society · 1974 · 124 citations

Life Sciences, Microbiology, Molecular Biology +7

The structural studies of formycin and formycin b

G Koyama, Kenji Maeda, HAMAO UMEZAWA et al. · Tetrahedron Letters · 1966 · 111 citations

Life Sciences, Biochemistry, Molecular Biology +8

A NEW ANTIBIOTIC, FORMYCIN.

Mikio Hori, Toru Takita, G Koyama et al. · PubMed · 1964 · 60 citations

Pharmacy, Medicinal Chemistry, Microbiology +4

The chemistry of bleomycin. II the molecular and crystal structure of a sulfur-containing chromophoric amino acid

G Koyama, H. Nakamura, YASUHIKO MURAOKA et al. · Tetrahedron Letters · 1968 · 39 citations

Natural Sciences, Chemistry, Pharmacology +10

The crystal and molecular structures of oxoformycin B and formycin, B

G Koyama, Hiroaki Nakamura, Hitoshi Umezawa et al. · Acta Crystallographica Section B · 1976 · 37 citations

Natural Sciences, Biochemistry, Chemistry +11