Small-Angle X-Ray Scattering Analysis of Stearic Acid Modified Lipase | Zendy

Tatsuo Maruyama | Zendy; Mitsutoshi Nakajima | Zendy; Sosaku Ichikawa | Zendy; Yoh Sano | Zendy; Hiroshi Nabetani | Zendy; Shintaro Furusaki | Zendy; Minoru Seki | Zendy

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Small-Angle X-Ray Scattering Analysis of Stearic Acid Modified Lipase

Author(s) -

Tatsuo Maruyama,

Mitsutoshi Nakajima,

Sosaku Ichikawa,

Yoh Sano,

Hiroshi Nabetani,

Shintaro Furusaki,

Minoru Seki

Publication year - 2001

Publication title -

bioscience biotechnology and biochemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.509

H-Index - 116

eISSN - 1347-6947

pISSN - 0916-8451

DOI - 10.1271/bbb.65.1003

Subject(s) - lipase , stearic acid , lamellar structure , small angle x ray scattering , interesterified fat , chemistry , fatty acid , chromatography , crystallography , organic chemistry , scattering , enzyme , physics , optics

Stearic acid modified lipase (from Rhizopus japonicus) exhibited remarkable interesterification activity in n-hexane, but crude native lipase did not. The structure of the fatty acid modified lipase had not been analyzed until now. We analyzed the modified lipase by small-angle X-ray scattering (SAXS) measurements in order to clarify the structure. SAXS measurements showed that the modified lipase consisted of a lipid lamellar structure and implied that the lipase was incorporated into the lamellar structure of stearic acid. The long spacings in the lamellar structures of the modified lipase and stearic acid were measured.

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