BPTIBovine Pancreatic Trypsin Inhibitor
BPTIBilateral Paramedian Thalamic Infarct
BPTIBiological Process Technology Institute (est. 1985; University of Minnesota; St. Paul, MN)
BPTIBest Power Technology, Inc. (Necedah, WI)
BPTIBasic Pancreatic Proteinase Inhibitor
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We also found that TNPACK with the standard MC did not work for large-scale molecular minimization problems such as BPTI.
Comparison of TNPACK with Other Two CHARMM Minimizers and LM-BFGS for BPTI (1704 Variables)
(min.) TNPACK 1.14 x [10.sup.-6] 227 5.7 LM-BFGS 6.3 x [10.sup.-5] 4622 12.61 ABNR 8.9 x [10.sup.-6] 8330 25.17 CONJ 9.9 x [10.sup.-6] 32661 97.80 Table VI compares the performance of TNPACK for BPTI minimizations with two other CHARMM minimizers, ABNR (an adopted-basis Newton-Raphson method) and CONJ (a nonlinear conjugate gradient method), as well as LM-BFGS with u = 5 stored updates [Liu and Nocedal 1989].
Performance of TNPACK for BPTI Using Criterion 1 (C1) versus Criterion 2 (C2) in the Line Search
(min.) C1 176 (1387) 537 6.99 C2 85 (1029) 250 4.35 To show that a significant improvement can be observed when Criterion 2 (C2) of the line search is used, we consider TNPACK for BPTI potential function minimization.
Por ejemplo, la hirudina es un polipeptido de 7 kDa aislado de la sanguijuela Hirudo medicinalis, capaz de inhibir especificamente trombina con un valor de [K.sub.i] = 8, 3 x [10.sup.-13] mol/L (Stone et al., 1987; Ascenzi et al., 1992; Stubbs y Bode, 1995; Ascenzi et al., 1995); mientras que el BPTI (bovine pancreatic trypsin inhibitor) es un potente inhibidor de tripsina ([K.sub.i] = 6, 0 x [10.sup.-14] mol/L), que tambien es capaz de inhibir otras enzimas que pertenecen a la misma clase mecanistica, como quimotripsina, calicreina y elastasa de neutrofilos (Fritz y Wunderer, 1983).
(2) Construction work of Girls Hostel at Sir BPTI Polytechnic, Bhavnagar.