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Pseudoreversion of the Catalytic Activity of Y14F by the Additional Tyrosine-to-Phenylalanine Substitution(s) in the Hydrogen Bond Network of Delta-5-3-Ketosteroid Isomerase from Pheudomonas putida Biotype B
Descriptor:	STEROID DELTA-ISOMERASE
Authors:	Choi, G, Ha, N.-C, Kim, M.-S, Hong, B.-H, Choi, K.Y.
Deposit date:	2000-11-03
Release date:	2001-11-01
Last modified:	2013-06-19
Method:	X-RAY DIFFRACTION (1.8 Å)
Cite:	Pseudoreversion of the Catalytic Activity of Y14F by the Additional Substitution(S) of Tyrosine with Phenylalanine in the Hydrogen Bond Network of Delta (5)-3-Ketosteroid Isomerase from Pseudomonas Putida Biotype B Biochemistry, 40, 2001

Crystal structure of ketosteroid isomerase from Pseudomonas putida ; triple mutant y16f/y32f/y57f
Descriptor:	STEROID DELTA-ISOMERASE
Authors:	Ha, N.-C, Oh, B.-H.
Deposit date:	2000-10-10
Release date:	2001-10-05
Last modified:	2011-07-13
Method:	X-RAY DIFFRACTION (2 Å)
Cite:	Peudoreversion of the Catalytic Activity of Y14F by the Additional Substitution(S) of Tyrosine with Phenylalanine in the Hydrogen Bond Network of Delta 5-3-Ketosteroid Isomerase from Pseudomonas Putida Biotype B Biochemistry, 40, 2001

High resolution crystal structure of PI delta-5-3-Ketosteroid Isomerase mutants Y30F/Y55F/Y115F/D38N (Y32F/Y57F/Y119F/D40N, PI numbering)complexed with equilenin at 2.1 A resolution
Descriptor:	EQUILENIN, STEROID DELTA-ISOMERASE
Authors:	Shin, S, Ha, N.-C, Oh, B.-H.
Deposit date:	2001-12-27
Release date:	2003-01-23
Last modified:	2023-12-13
Method:	X-RAY DIFFRACTION (2.1 Å)
Cite:	Contribution of a Low-Barrier Hydrogen Bond to Catalysis by Delta-5-3-Ketosteroid Isomerase is not Extremely High Compared to that of an Ordinary Hydrogen Bond. Low-Barrier Hydrogen Bond of Pi Ksi To be Published