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233,605 Structures from the PDB

1,068,577 Computed Structure Models (CSM)

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QUERY: Structure Author = "Choi, K.Y."

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Search Summary

This query matches 26 Structures.

Refinements

Structure Determination Methodology

experimental (26)

Scientific Name of Source Organism

	Pseudomonas putida (14)
	Escherichia coli (8)
	Bos taurus (3)
	synthetic construct (2)
	Comamonas testosteroni (1)

Taxonomy

	Bacteria (23)
	Eukaryota (3)
	other sequences (2)

Experimental Method

X-RAY DIFFRACTION (26)

Polymer Entity Type

	Protein (26)
	DNA (7)

Refinement Resolution (Å)

	1.5 - 2.0 (6)
	2.0 - 2.5 (12)
	2.5 - 3.0 (7)
	3.0 - 3.5 (1)

Release Date

	1995 - 1999 (8)
	2000 - 2004 (14)
	2005 - 2009 (2)
	2010 - 2014 (2)

Enzyme Classification Name

	Isomerases (15)
	Hydrolases (3)

Symmetry Type

	Cyclic (23)
	Asymmetric (3)

SCOP Classification

	Alpha and beta proteins (a+b) (15)
	Alpha and beta proteins (a/b) (11)
	All alpha proteins (7)

AllSelected

1 to 25 of 26 Structures

Page 1 of 2

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1BDH \| pdb_00001bdh	Download File View File

PURINE REPRESSOR MUTANT-HYPOXANTHINE-PALINDROMIC OPERATOR COMPLEX

Glasfeld, A., Schumacher, M.A., Choi, K.Y., Zalkin, H., Brennan, R.G.

(1996) J Am Chem Soc 118: 13073-13074

Released	1997-04-21
Method	X-RAY DIFFRACTION 2.7 Å
Organisms	Escherichia coli
Macromolecule	PROTEIN (PURINE REPRESSOR) (protein) DNA (5'-D(TPAPCPGPCPAPAPAPCPGPTPTPTPGPCPGP*T )-3') (nucleic acid)
Unique Ligands	HPA

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1BDI \| pdb_00001bdi	Download File View File

PURINE REPRESSOR MUTANT-HYPOXANTHINE-PALINDROMIC OPERATOR COMPLEX

Glasfeld, A., Schumacher, M.A., Choi, K.Y., Zalkin, H., Brennan, R.G.

(1996) J Am Chem Soc 118: 13073-13074

Released	1997-04-21
Method	X-RAY DIFFRACTION 3 Å
Organisms	Escherichia coli
Macromolecule	PROTEIN (PURINE REPRESSOR) (protein) DNA (5'-D(TPAPCPGPCPAPAPAPCPGPTPTPTPGPCPGP*T )-3') (nucleic acid)
Unique Ligands	HPA

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1C7H \| pdb_00001c7h	Download File View File

CRYSTAL STRUCTURE OF A MUTANT R75A IN KETOSTEROID ISOMERASE FROM PSEDOMONAS PUTIDA BIOTYPE B

Nam, G.H., Kim, D.H., Jang, D.S., Choi, G., Ha, N.C., Oh, B.H., Choi, K.Y.

(1999) Biochemistry 38: 13810-13819

Released	2000-04-24
Method	X-RAY DIFFRACTION 2.5 Å
Organisms	Pseudomonas putida
Macromolecule	DELTA-5-3-KETOSTEROID ISOMERASE (protein)

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1CQS \| pdb_00001cqs	Download File View File

CRYSTAL STRUCTURE OF D103E MUTANT WITH EQUILENINEOF KSI IN PSEUDOMONAS PUTIDA

Choi, G., Ha, N.C., Kim, S.W., Kim, D.H., Park, S., Oh, B.H., Choi, K.Y.

(2000) Biochemistry 39: 903-909

Released	2003-06-17
Method	X-RAY DIFFRACTION 1.9 Å
Organisms	Pseudomonas putida
Macromolecule	PROTEIN : KETOSTEROID ISOMERASE (protein)
Unique Ligands	EQU

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1DBQ \| pdb_00001dbq	Download File View File

DNA-BINDING REGULATORY PROTEIN

Schumacher, M.A., Choi, K.Y., Lu, F., Zalkin, H., Brennan, R.G.

(1995) Cell 83: 147-155

Released	1996-12-07
Method	X-RAY DIFFRACTION 2.2 Å
Organisms	Escherichia coli
Macromolecule	PURINE REPRESSOR (protein)
Unique Ligands	MG

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1DMM \| pdb_00001dmm	Download File View File

CRYSTAL STRUCTURES OF MUTANT ENZYMES Y57F OF KETOSTEROID ISOMERASE FROM PSEUDOMONAS PUTIDA BIOTYPE B

Kim, D.H., Jang, D.S., Nam, G.H., Oh, B.H., Choi, K.Y.

(2000) Biochemistry 39: 4581-4589

Released	2000-05-23
Method	X-RAY DIFFRACTION 1.9 Å
Organisms	Pseudomonas putida
Macromolecule	STEROID DELTA-ISOMERASE (protein)

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1DMN \| pdb_00001dmn	Download File View File

CRYSTAL STRUCTURE OF MUTANT ENZYME Y32F/Y57F OF KETOSTEROID ISOMERASE FROM PSEUDOMONAS PUTIDA BIOTYPE B

Kim, D.H., Jang, D.S., Nam, G.H., Oh, B.H., Choi, K.Y.

(2000) Biochemistry 39: 4581-4589

Released	2000-05-23
Method	X-RAY DIFFRACTION 2.05 Å
Organisms	Pseudomonas putida
Macromolecule	STEROID DELTA-ISOMERASE (protein)

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1DMQ \| pdb_00001dmq	Download File View File

CRYSTAL STRUCTURE OF MUTANT ENZYME Y32F OF KETOSTEROID ISOMERASE FROM PSEUDOMONAS PUTIDA BIOTYPE B

Kim, D.H., Jang, D.S., Nam, G.H., Oh, B.H., Choi, K.Y.

(2000) Biochemistry 39: 4581-4589

Released	2000-05-23
Method	X-RAY DIFFRACTION 2.15 Å
Organisms	Pseudomonas putida
Macromolecule	STEROID DELTA-ISOMERASE (protein)

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1EA2 \| pdb_00001ea2	Download File View File

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

Choi, G., Ha, N.-C., Kim, M.-S., Hong, B.-H., Choi, K.Y.

(2001) Biochemistry 40: 6828

Released	2001-11-01
Method	X-RAY DIFFRACTION 1.8 Å
Organisms	Pseudomonas putida
Macromolecule	STEROID DELTA-ISOMERASE (protein)

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1HDQ \| pdb_00001hdq	Download File View File

Crystal structure of bovine pancreatic carboxypeptidase A complexed with D-N-hydroxyaminocarbonyl phenylalanine at 2.3 A

Cho, J.H., Ha, N.-C., Chung, S.J., Kim, D.H., Choi, K.Y., Oh, B.-H.

(2002) Bioorg Med Chem 10: 2015

Released	2001-11-15
Method	X-RAY DIFFRACTION 2.3 Å
Organisms	Bos taurus
Macromolecule	CARBOXYPEPTIDASE A (protein)
Unique Ligands	INF, ZN

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1HDU \| pdb_00001hdu	Download File View File

Crystal structure of bovine pancreatic carboxypeptidase A complexed with aminocarbonylphenylalanine at 1.75 A

Cho, J.H., Ha, N.-C., Chung, S.J., Kim, D.H., Choi, K.Y., Oh, B.-H.

(2002) Bioorg Med Chem 10: 2015

Released	2001-11-15
Method	X-RAY DIFFRACTION 1.75 Å
Organisms	Bos taurus
Macromolecule	CARBOXYPEPTIDASE A (protein)
Unique Ligands	ING, ZN

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1HEE \| pdb_00001hee	Download File View File

Crystal structure of bovine pancreatic carboxypeptidase A complexed with L-N-hydroxyaminocarbonyl phenylalanine at 2.3 A

Cho, J.H., Ha, N.-C., Chung, S.J., Kim, D.H., Choi, K.Y., Oh, B.-H.

(2002) Bioorg Med Chem 10: 2015

Released	2001-11-23
Method	X-RAY DIFFRACTION 1.75 Å
Organisms	Bos taurus
Macromolecule	CARBOXYPEPTIDASE A (protein)
Unique Ligands	LHY, ZN

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1K41 \| pdb_00001k41	Download File View File

Crystal structure of KSI Y57S mutant

Cha, S.S., Oh, B.H., Nam, G.H., Jang, D.S., Lee, T.H., Choi, K.Y.

(2001) Biochemistry 40: 13529-13537

Released	2002-10-16
Method	X-RAY DIFFRACTION 2.2 Å
Organisms	Pseudomonas putida
Macromolecule	Ketosteroid Isomerase (protein)

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1OGZ \| pdb_00001ogz	Download File View File

Crystal Structure Of 5-3-Ketosteroid Isomerase Mutants P39A Complexed With Equilenin From Pseudomonas Testosteroni

Nam, G.H., Cha, S.-S., Yun, Y.S., Oh, Y.H., Hong, B.H., Lee, H.-S., Choi, K.Y.

(2003) Biochem J 375: 297

Released	2003-09-04
Method	X-RAY DIFFRACTION 2.3 Å
Organisms	Comamonas testosteroni
Macromolecule	STEROID DELTA-ISOMERASE (protein)
Unique Ligands	EQU

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1PNR \| pdb_00001pnr	Download File View File

PURINE REPRESSOR-HYPOXANTHINE-PURF-OPERATOR COMPLEX

Schumacher, M.A., Choi, K.Y., Zalkin, H., Brennan, R.G.

(1994) Science 266: 763-770

Released	1995-11-20
Method	X-RAY DIFFRACTION 2.7 Å
Organisms	Escherichia coli
Macromolecule	PROTEIN (PURINE REPRESSOR) (protein) DNA (5'-D(APAPCPGPAPAPAPAPCPGPTPTPTPTPCPGP*T )-3') (nucleic acid)
Unique Ligands	HPA

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1VZZ \| pdb_00001vzz	Download File View File

CRYSTAL STRUCTURE OF MUTANT ENZYME Y32F/D103L OF KETOSTEROID ISOMERASE FROM PSEUDOMONAS PUTIDA BIOTYPE B

Jang, D.S., Cha, H.J., Choi, K.Y.

(2004) Biochem J 382: 967

Released	2004-07-08
Method	X-RAY DIFFRACTION 2.3 Å
Organisms	Pseudomonas putida
Macromolecule	STEROID DELTA-ISOMERASE (protein)

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1W00 \| pdb_00001w00	Download File View File

Crystal structure of mutant enzyme D103L of Ketosteroid Isomerase from Pseudomonas putida biotype B

Kim, D.H., Jang, D.S., Nam, G.H., Oh, B.H., Choi, K.Y.

(2004) Biochem J 382: 967

Released	2005-05-26
Method	X-RAY DIFFRACTION 2.2 Å
Organisms	Pseudomonas putida
Macromolecule	STEROID DELTA-ISOMERASE (protein)

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1W01 \| pdb_00001w01	Download File View File

Crystal structure of mutant enzyme Y57F/D103L of ketosteroid isomerase from Pseudomonas putida biotype B

Jang, D.S., Choi, K.Y.

(2004) Biochem J 382: 967

Released	2004-07-08
Method	X-RAY DIFFRACTION 2.2 Å
Organisms	Pseudomonas putida
Macromolecule	STEROID DELTA-ISOMERASE (protein)

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1W02 \| pdb_00001w02	Download File View File

Crystal structure of mutant enzyme Y16F/D103L of ketosteroid isomerase from Pseudomonas putida biotype B

Jang, D.S., Choi, K.Y.

(2004) Biochem J 382: 967

Released	2004-07-08
Method	X-RAY DIFFRACTION 2.3 Å
Organisms	Pseudomonas putida
Macromolecule	STEROID DELTA-ISOMERASE (protein)

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1W6Y \| pdb_00001w6y	Download File View File

crystal structure of a mutant W92A in ketosteroid isomerase (KSI) from Pseudomonas putida biotype B

Yun, Y.S., Nam, G.H., Kim, Y.-G., Oh, B.-H., Choi, K.Y.

(2005) FEBS J 272: 1999

Released	2005-04-14
Method	X-RAY DIFFRACTION 2.1 Å
Organisms	Pseudomonas putida
Macromolecule	STEROID DELTA-ISOMERASE (protein)
Unique Ligands	BME, EQU

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2PUA \| pdb_00002pua	Download File View File

CRYSTAL STRUCTURE OF THE LACI FAMILY MEMBER, PURR, BOUND TO DNA: MINOR GROOVE BINDING BY ALPHA HELICES

Schumacher, R.G., Choi, K.Y., Zalkin, H., Brennan, M.A.

(1994) Science 266: 763-770

Released	1998-05-06
Method	X-RAY DIFFRACTION 2.9 Å
Organisms	Escherichia coli synthetic construct
Macromolecule	PURINE REPRESSOR (protein) DNA (5'-D(TPAPCPGPCPAPAPAPCPGPTPTPTPGPCPGP*T )-3') (nucleic acid)
Unique Ligands	6MP

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2PUB \| pdb_00002pub	Download File View File

CRYSTAL STRUCTURE OF THE LACI FAMILY MEMBER, PURR, BOUND TO DNA: MINOR GROOVE BINDING BY ALPHA HELICES

Schumacher, R.G., Choi, K.Y., Zalkin, H., Brennan, M.A.

(1994) Science 266: 763-770

Released	1998-05-06
Method	X-RAY DIFFRACTION 2.7 Å
Organisms	Escherichia coli synthetic construct
Macromolecule	PURINE REPRESSOR (protein) DNA (5'-D(TPAPCPGPCPAPAPAPCPGPTPTPTPGPCPGP*T )-3') (nucleic acid)
Unique Ligands	ADE

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2PUC \| pdb_00002puc	Download File View File

CRYSTAL STRUCTURE OF THE LACI FAMILY MEMBER, PURR, BOUND TO DNA: MINOR GROOVE BINDING BY ALPHA HELICES

Schumacher, M.A., Choi, K.Y., Zalkin, H., Brennan, R.G.

(1994) Science 266: 763-770

Released	1998-05-06
Method	X-RAY DIFFRACTION 2.6 Å
Organisms	Escherichia coli
Macromolecule	PROTEIN (PURINE REPRESSOR) (protein) DNA (5'-D(TPAPCPGPCPAPAPAPCPGPTPTPTPGPCPGP*T )-3') (nucleic acid)
Unique Ligands	GUN

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2PUD \| pdb_00002pud	Download File View File

CRYSTAL STRUCTURE OF THE LACI FAMILY MEMBER, PURR, BOUND TO DNA: MINOR GROOVE BINDING BY ALPHA HELICES

Schumacher, M.A., Choi, K.Y., Zalkin, H., Brennan, R.G.

(1994) Science 266: 763-770

Released	1998-05-06
Method	X-RAY DIFFRACTION 2.6 Å
Organisms	Escherichia coli
Macromolecule	PROTEIN (PURINE REPRESSOR) (protein) DNA (5'-D(TPAPCPGPCPAPAPAPCPGPTPTPTPGPCPGP*T )-3') (nucleic acid)
Unique Ligands	HPA