1YB7 - Header Asymmetric Unit

HEADER LYASE 20-DEC-04 1YB7

TITLE HYDROXYNITRILE LYASE FROM HEVEA BRASILIENSIS IN COMPLEX WITH 2,3- TITLE 2 DIMETHYL-2-HYDROXY-BUTYRONITRILE

COMPND MOL_ID: 1; COMPND 2 MOLECULE: (S)-ACETONE-CYANOHYDRIN LYASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: (S)-HYDROXYNITRILE LYASE; (S)-HYDROXYNITRILASE; COMPND 5 OXYNITRILASE; COMPND 6 EC: 4.1.2.39; COMPND 7 ENGINEERED: YES

SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HEVEA BRASILIENSIS; SOURCE 3 ORGANISM_TAXID: 3981; SOURCE 4 TISSUE: LEAF; SOURCE 5 GENE: HNL; SOURCE 6 EXPRESSION_SYSTEM: PICHIA PASTORIS; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 4922; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: BHIL-D2

KEYWDS ALPHA-BETA HYDROLASE FOLD; SUBSTRATE COMPLEX; CATALYTIC TRIAD, LYASE

EXPDTA X-RAY DIFFRACTION

AUTHOR K.GRUBER,G.GARTLER,C.KRATKY

REVDAT 4 13-JUL-11 1YB7 1 VERSN REVDAT 3 24-FEB-09 1YB7 1 VERSN REVDAT 2 10-APR-07 1YB7 1 JRNL REVDAT 1 20-DEC-05 1YB7 0

JRNL AUTH G.GARTLER,C.KRATKY,K.GRUBER JRNL TITL STRUCTURAL DETERMINANTS OF THE ENANTIOSELECTIVITY OF THE JRNL TITL 2 HYDROXYNITRILE LYASE FROM HEVEA BRASILIENSIS JRNL REF J.BIOTECHNOL. V. 129 87 2007 JRNL REFN ISSN 0168-1656 JRNL PMID 17250917 JRNL DOI 10.1016/J.JBIOTEC.2006.12.009

REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH K.GRUBER,G.GARTLER,B.KRAMMER,H.SCHWAB,C.KRATKY REMARK 1 TITL REACTION MECHANISM OF HYDROXYNITRILE LYASES OF THE REMARK 1 TITL 2 ALPHA/BETA-HYDROLASE SUPERFAMILY: THE THREE-DIMENSIONAL REMARK 1 TITL 3 STRUCTURE OF THE TRANSIENT ENZYME-SUBSTRATE COMPLEX REMARK 1 TITL 4 CERTIFIES THE CRUCIAL ROLE OF LYS236 REMARK 1 REF J.BIOL.CHEM. V. 279 20501 2004 REMARK 1 REFN ISSN 0021-9258 REMARK 1 REFERENCE 2 REMARK 1 AUTH K.GRUBER,M.GUGGANIG,U.G.WAGNER,C.KRATKY REMARK 1 TITL ATOMIC RESOLUTION CRYSTAL STRUCTURE OF HYDROXYNITRILE LYASE REMARK 1 TITL 2 FROM HEVEA BRASILIENSIS REMARK 1 REF BIOL.CHEM. V. 380 993 1999 REMARK 1 REFN ISSN 1431-6730 REMARK 1 REFERENCE 3 REMARK 1 AUTH J.ZUEGG,K.GRUBER,M.GUGGANIG,U.G.WAGNER,C.KRATKY REMARK 1 TITL THREE-DIMENSIONAL STRUCTURES OF ENZYME-SUBSTRATE COMPLEXES REMARK 1 TITL 2 OF THE HYDROXYNITRILE LYASE FROM HEVEA BRASILIENSIS REMARK 1 REF PROTEIN SCI. V. 8 1990 1999 REMARK 1 REFN ISSN 0961-8368 REMARK 1 REFERENCE 4 REMARK 1 AUTH U.G.WAGNER,M.HASSLACHER,H.GRIENGL,H.SCHWAB,C.KRATKY REMARK 1 TITL MECHANISM OF CYANOGENESIS: THE CRYSTAL STRUCTURE OF REMARK 1 TITL 2 HYDROXYNITRILE LYASE FROM HEVEA BRASILIENSIS REMARK 1 REF STRUCTURE V. 4 811 1996 REMARK 1 REFN ISSN 0969-2126

REMARK 2 REMARK 2 RESOLUTION. 1.76 ANGSTROMS.

REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.1 REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.76 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 40.98 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1841708.560 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 95.5 REMARK 3 NUMBER OF REFLECTIONS : 30991 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.172 REMARK 3 FREE R VALUE : 0.197 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.000 REMARK 3 FREE R VALUE TEST SET COUNT : 3103 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.004 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 10 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.76 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.82 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 85.90 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2463 REMARK 3 BIN R VALUE (WORKING SET) : 0.2240 REMARK 3 BIN FREE R VALUE : 0.2520 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 11.40 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 316 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.014 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2057 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 28 REMARK 3 SOLVENT ATOMS : 270 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 15.00 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 15.20 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.77000 REMARK 3 B22 (A**2) : 1.42000 REMARK 3 B33 (A**2) : -0.65000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.17 REMARK 3 ESD FROM SIGMAA (A) : -0.02 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.19 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.08 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.005 REMARK 3 BOND ANGLES (DEGREES) : 1.20 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 22.80 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.75 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 0.910 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.290 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 1.850 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 2.720 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.37 REMARK 3 BSOL : 47.71 REMARK 3 REMARK 3 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 3 : ION.PARAM REMARK 3 PARAMETER FILE 4 : IPM.PAR REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : WATER.TOP REMARK 3 TOPOLOGY FILE 3 : ION.TOP REMARK 3 TOPOLOGY FILE 4 : IPM.TOP REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL

REMARK 4 REMARK 4 1YB7 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 19-JAN-05. REMARK 100 THE RCSB ID CODE IS RCSB031333.

REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 12-SEP-00 REMARK 200 TEMPERATURE (KELVIN) : 100.0 REMARK 200 PH : 7.50 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : EMBL/DESY, HAMBURG REMARK 200 BEAMLINE : X11 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9101 REMARK 200 MONOCHROMATOR : UNKNOWN REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MAR REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 31024 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.760 REMARK 200 RESOLUTION RANGE LOW (A) : 40.980 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.0 REMARK 200 DATA REDUNDANCY : 4.500 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.06200 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 5.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.76 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.82 REMARK 200 COMPLETENESS FOR SHELL (%) : 96.0 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.12800 REMARK 200 <I/SIGMA(I)> FOR SHELL : 4.400 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: 2YAS REMARK 200 REMARK 200 REMARK: NULL

REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 55.50 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.80 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: AMMONIUM SULFATE, PEG 400, PH 7.50, REMARK 280 VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 298K

REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -X,Y,-Z+1/2 REMARK 290 4555 X,-Y,-Z REMARK 290 5555 X+1/2,Y+1/2,Z REMARK 290 6555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 7555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 8555 X+1/2,-Y+1/2,-Z REMARK 290 REMARK 290 WHERE NNN -> OPERATOR NUMBER REMARK 290 MMM -> TRANSLATION VECTOR REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY REMARK 290 RELATED MOLECULES. REMARK 290 SMTRY1 1 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 1 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 1 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 2 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 64.14200 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 64.14200 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 23.57750 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 53.27650 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 23.57750 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 53.27650 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 64.14200 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 23.57750 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 53.27650 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 64.14200 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 23.57750 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 53.27650 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL

REMARK 300 REMARK 300 BIOMOLECULE: 1 REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON REMARK 300 BURIED SURFACE AREA.

REMARK 350 REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS REMARK 350 GIVEN BELOW. BOTH NON-CRYSTALLOGRAPHIC AND REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN. REMARK 350 REMARK 350 BIOMOLECULE: 1 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 3790 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 19010 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -89.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A REMARK 350 BIOMT1 1 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 1 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 1 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 2 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 106.55300 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 0.00000

REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 OE2 GLU A 56 O HOH A 663 0.49 REMARK 500 CD GLU A 56 O HOH A 663 1.38 REMARK 500 NE2 GLN A 206 O HOH A 611 2.00 REMARK 500 CG GLU A 56 O HOH A 663 2.18 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: TORSION ANGLES REMARK 500 REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS: REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2) REMARK 500 REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI- REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400 REMARK 500 REMARK 500 M RES CSSEQI PSI PHI REMARK 500 HIS A 14 -168.77 -116.67 REMARK 500 SER A 80 -106.47 52.42 REMARK 500 ASP A 109 -168.03 -127.31 REMARK 500 LYS A 129 -119.08 52.44 REMARK 500 LYS A 241 43.55 -141.29 REMARK 500 REMARK 500 REMARK: NULL

REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH A 751 DISTANCE = 6.21 ANGSTROMS REMARK 525 HOH A 753 DISTANCE = 6.91 ANGSTROMS REMARK 525 HOH A 756 DISTANCE = 6.03 ANGSTROMS REMARK 525 HOH A 758 DISTANCE = 5.45 ANGSTROMS

REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 400 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 401 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 402 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 403 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ICN A 300

REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1QJ4 RELATED DB: PDB REMARK 900 RELATED ID: 1YAS RELATED DB: PDB REMARK 900 RELATED ID: 2YAS RELATED DB: PDB REMARK 900 RELATED ID: 3YAS RELATED DB: PDB REMARK 900 RELATED ID: 4YAS RELATED DB: PDB REMARK 900 RELATED ID: 5YAS RELATED DB: PDB REMARK 900 RELATED ID: 6YAS RELATED DB: PDB REMARK 900 RELATED ID: 7YAS RELATED DB: PDB REMARK 900 RELATED ID: 1SC9 RELATED DB: PDB REMARK 900 THE SAME PROTEIN, COMPLEXED WITH ACETONECYANOHYDRIN REMARK 900 RELATED ID: 1SCI RELATED DB: PDB REMARK 900 THE SAME PROTEIN, K236L MUTANT REMARK 900 RELATED ID: 1SCK RELATED DB: PDB REMARK 900 THE SAME PROTEIN, K236L MUTANT COMPLEXED WITH ACETONE REMARK 900 RELATED ID: 1SCQ RELATED DB: PDB REMARK 900 THE SAME PROTEIN, K236L MUTANT COMPLEXED WITH REMARK 900 ACETONECYANOHYDRIN REMARK 900 RELATED ID: 1YB6 RELATED DB: PDB

DBREF 1YB7 A 2 257 UNP P52704 HNL_HEVBR 2 257

SEQRES 1 A 256 ALA PHE ALA HIS PHE VAL LEU ILE HIS THR ILE CYS HIS SEQRES 2 A 256 GLY ALA TRP ILE TRP HIS LYS LEU LYS PRO LEU LEU GLU SEQRES 3 A 256 ALA LEU GLY HIS LYS VAL THR ALA LEU ASP LEU ALA ALA SEQRES 4 A 256 SER GLY VAL ASP PRO ARG GLN ILE GLU GLU ILE GLY SER SEQRES 5 A 256 PHE ASP GLU TYR SER GLU PRO LEU LEU THR PHE LEU GLU SEQRES 6 A 256 ALA LEU PRO PRO GLY GLU LYS VAL ILE LEU VAL GLY GLU SEQRES 7 A 256 SER CYS GLY GLY LEU ASN ILE ALA ILE ALA ALA ASP LYS SEQRES 8 A 256 TYR CYS GLU LYS ILE ALA ALA ALA VAL PHE HIS ASN SER SEQRES 9 A 256 VAL LEU PRO ASP THR GLU HIS CYS PRO SER TYR VAL VAL SEQRES 10 A 256 ASP LYS LEU MET GLU VAL PHE PRO ASP TRP LYS ASP THR SEQRES 11 A 256 THR TYR PHE THR TYR THR LYS ASP GLY LYS GLU ILE THR SEQRES 12 A 256 GLY LEU LYS LEU GLY PHE THR LEU LEU ARG GLU ASN LEU SEQRES 13 A 256 TYR THR LEU CYS GLY PRO GLU GLU TYR GLU LEU ALA LYS SEQRES 14 A 256 MET LEU THR ARG LYS GLY SER LEU PHE GLN ASN ILE LEU SEQRES 15 A 256 ALA LYS ARG PRO PHE PHE THR LYS GLU GLY TYR GLY SER SEQRES 16 A 256 ILE LYS LYS ILE TYR VAL TRP THR ASP GLN ASP GLU ILE SEQRES 17 A 256 PHE LEU PRO GLU PHE GLN LEU TRP GLN ILE GLU ASN TYR SEQRES 18 A 256 LYS PRO ASP LYS VAL TYR LYS VAL GLU GLY GLY ASP HIS SEQRES 19 A 256 LYS LEU GLN LEU THR LYS THR LYS GLU ILE ALA GLU ILE SEQRES 20 A 256 LEU GLN GLU VAL ALA ASP THR TYR ASN

HET SO4 A 400 5 HET SO4 A 401 5 HET SO4 A 402 5 HET SO4 A 403 5 HET ICN A 300 8

HETNAM SO4 SULFATE ION HETNAM ICN (S)-2-HYDROXY-2,3-DIMETHYLBUTANENITRILE

FORMUL 2 SO4 4(O4 S 2-) FORMUL 6 ICN C6 H11 N O FORMUL 7 HOH *270(H2 O)

HELIX 1 1 GLY A 15 HIS A 20 5 6 HELIX 2 2 LYS A 21 ALA A 28 1 8 HELIX 3 3 GLN A 47 ILE A 51 5 5 HELIX 4 4 SER A 53 SER A 58 1 6 HELIX 5 5 SER A 58 LEU A 68 1 11 HELIX 6 6 CYS A 81 CYS A 94 1 14 HELIX 7 7 SER A 115 PHE A 125 1 11 HELIX 8 8 GLY A 149 ASN A 156 1 8 HELIX 9 9 GLY A 162 THR A 173 1 12 HELIX 10 10 PHE A 179 ARG A 186 1 8 HELIX 11 11 GLY A 193 ILE A 197 5 5 HELIX 12 12 LEU A 211 TYR A 222 1 12 HELIX 13 13 LYS A 236 LYS A 241 1 6 HELIX 14 14 LYS A 241 TYR A 256 1 16

SHEET 1 A 6 LYS A 32 LEU A 36 0 SHEET 2 A 6 HIS A 5 ILE A 9 1 N LEU A 8 O THR A 34 SHEET 3 A 6 VAL A 74 GLU A 79 1 O VAL A 77 N ILE A 9 SHEET 4 A 6 ILE A 97 HIS A 103 1 O VAL A 101 N LEU A 76 SHEET 5 A 6 LYS A 199 TRP A 203 1 O ILE A 200 N PHE A 102 SHEET 6 A 6 LYS A 226 LYS A 229 1 O TYR A 228 N TYR A 201 SHEET 1 B 3 THR A 132 LYS A 138 0 SHEET 2 B 3 LYS A 141 LYS A 147 -1 O ILE A 143 N TYR A 136 SHEET 3 B 3 GLY A 176 SER A 177 -1 O GLY A 176 N LEU A 146

SITE 1 AC1 6 LYS A 23 LYS A 170 HOH A 505 HOH A 585 SITE 2 AC1 6 HOH A 632 HOH A 644 SITE 1 AC2 7 TYR A 116 TRP A 217 LYS A 229 HOH A 593 SITE 2 AC2 7 HOH A 631 HOH A 634 HOH A 642 SITE 1 AC3 9 THR A 137 LYS A 138 ASP A 139 GLY A 140 SITE 2 AC3 9 GLY A 232 GLY A 233 LYS A 241 HOH A 640 SITE 3 AC3 9 HOH A 746 SITE 1 AC4 5 LYS A 141 ASN A 181 LYS A 185 HOH A 652 SITE 2 AC4 5 HOH A 660 SITE 1 AC5 13 THR A 11 ILE A 12 SER A 80 CYS A 81 SITE 2 AC5 13 TRP A 128 LEU A 148 LEU A 157 ILE A 209 SITE 3 AC5 13 HIS A 235 LYS A 236 HOH A 767 HOH A 768 SITE 4 AC5 13 HOH A 769

CRYST1 47.155 106.553 128.284 90.00 90.00 90.00 C 2 2 21 8

ORIGX1 1.000000 0.000000 0.000000 0.00000

ORIGX2 0.000000 1.000000 0.000000 0.00000

ORIGX3 0.000000 0.000000 1.000000 0.00000

SCALE1 0.021207 0.000000 0.000000 0.00000

SCALE2 0.000000 0.009385 0.000000 0.00000

SCALE3 0.000000 0.000000 0.007795 0.00000