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Crystallization and preliminary crystallographic studies of the metalloglycoprotein esterase A4 using a baculovirus expression system

Journal Article · · Acta Crystallographica. Section F
 [1];  [2];  [1];  [2];  [3]; ;  [1]
  1. Protein Design Laboratory, Yokohama City University, 1-7-29 Suehiro, Tsurumi, Yokohama 230-0045 (Japan)
  2. Department of Physiology, Division of Biophysics, Jichi Medical University, 3311-1 Yakushiji, Shimotsuke, Tochigi 329-0498 (Japan)
  3. Department of Biochemistry, Jichi Medical University, 3311-1 Yakushiji, Shimotsuke, Tochigi 329-0498 (Japan)
Esterase A4 (EA4) is a timer protein found in diapause eggs of the silkworm Bombyx mori. The gene for this metalloglycoprotein was cloned from B. mori eggs and expressed using a baculovirus expression system in silkworm pupae. Crystals of the purified protein have been grown that diffract to beyond 2.1 Å resolution at 100 K using synchrotron radiation. Esterase A4 (EA4) is a timer protein found in diapause eggs of the silkworm Bombyx mori. The gene for this metalloglycoprotein was cloned from B. mori eggs and expressed using a baculovirus expression system in silkworm pupae. Crystals of the purified protein have been grown that diffract to beyond 2.1 Å resolution at 100 K using synchrotron radiation. The protein crystals belong to space group P2{sub 1}, with unit-cell parameters a = 47.1, b = 73.9, c = 47.4 Å, β = 104.1°. With one dimer per asymmetric unit, the crystal volume per unit protein weight (V{sub M}) is 2.3 Å{sup 3} Da{sup −1} and the solvent content is 47%.
OSTI ID:
22360541
Journal Information:
Acta Crystallographica. Section F, Journal Name: Acta Crystallographica. Section F Journal Issue: Pt 9 Vol. 63; ISSN ACSFCL; ISSN 1744-3091
Country of Publication:
United Kingdom
Language:
English

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