3VSB - Header Asymmetric Unit

HEADER SERINE PROTEASE 25-SEP-97 3VSB

TITLE SUBTILISIN CARLSBERG D-NAPHTHYL-1-ACETAMIDO BORONIC ACID TITLE 2 INHIBITOR COMPLEX

COMPND MOL_ID: 1; COMPND 2 MOLECULE: SUBTILISIN CARLSBERG, TYPE VIII; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: FULL PROTEIN; COMPND 5 SYNONYM: SUBTILOPEPTIDASE A; COMPND 6 EC: 3.4.21.62

SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BACILLUS LICHENIFORMIS; SOURCE 3 ORGANISM_TAXID: 1402; SOURCE 4 OTHER_DETAILS: PURCHASED FROM SIGMA

KEYWDS SERINE PROTEASE, HYDROLASE, BORONIC ACID INHIBITORS

EXPDTA X-RAY DIFFRACTION

AUTHOR V.S.STOLL,B.T.EGER,R.C.HYNES,V.MARTICHONOK,J.B.JONES,E.F.PAI

REVDAT 2 24-FEB-09 3VSB 1 VERSN REVDAT 1 25-MAR-98 3VSB 0

JRNL AUTH V.S.STOLL,B.T.EGER,R.C.HYNES,V.MARTICHONOK, JRNL AUTH 2 J.B.JONES,E.F.PAI JRNL TITL DIFFERENCES IN BINDING MODES OF ENANTIOMERS OF JRNL TITL 2 1-ACETAMIDO BORONIC ACID BASED PROTEASE JRNL TITL 3 INHIBITORS: CRYSTAL STRUCTURES OF JRNL TITL 4 GAMMA-CHYMOTRYPSIN AND SUBTILISIN CARLSBERG JRNL TITL 5 COMPLEXES. JRNL REF BIOCHEMISTRY V. 37 451 1998 JRNL REFN ISSN 0006-2960 JRNL PMID 9425066 JRNL DOI 10.1021/BI971166O

REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH V.MARTICHONOK,J.B.JONES REMARK 1 TITL PROBING THE SPECIFICITY OF THE SERINE PROTEASES REMARK 1 TITL 2 SUBTILISIN CARLSBERG AND A-CHYMOTRYPSIN WITH REMARK 1 TITL 3 ENANTIOMERIC 1-ACETAMIDO BORONIC ACIDS. AN REMARK 1 TITL 4 UNEXPECTED REVERSAL OF THE NORMAL REMARK 1 TITL 5 "L"-STEREOSELECTIVITY PREFERENCE REMARK 1 REF J.AM.CHEM.SOC. V. 118 950 1996 REMARK 1 REFN ISSN 0002-7863 REMARK 1 REFERENCE 2 REMARK 1 AUTH P.SEUFER-WASSERTHAL,V.MARTICHONOK,T.H.KELLER, REMARK 1 AUTH 2 B.CHIN,R.MARTIN,J.B.JONES REMARK 1 TITL PROBING THE SPECIFICITY OF THE S1 BINDING SITE OF REMARK 1 TITL 2 SUBTILISIN CARLSBERG WITH BORONIC ACIDS REMARK 1 REF BIOORG.MED.CHEM. V. 2 35 1994 REMARK 1 REFN ISSN 0968-0896 REMARK 1 REFERENCE 3 REMARK 1 AUTH P.A.FITZPATRICK,A.C.STEINMETZ,D.RINGE,A.M.KLIBANOV REMARK 1 TITL ENZYME CRYSTAL STRUCTURE IN A NEAT ORGANIC SOLVENT REMARK 1 REF PROC.NATL.ACAD.SCI.USA V. 90 8653 1993 REMARK 1 REFN ISSN 0027-8424 REMARK 1 REFERENCE 4 REMARK 1 AUTH G.A.PETSKO,D.TSERNOGLOU REMARK 1 TITL THE STRUCTURE OF SUBTILOPEPTIDASE A. I. X-RAY REMARK 1 TITL 2 CRYSTALLOGRAPHIC DATA REMARK 1 REF J.MOL.BIOL. V. 106 453 1976 REMARK 1 REFN ISSN 0022-2836

REMARK 2 REMARK 2 RESOLUTION. 2.60 ANGSTROMS.

REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.1 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.60 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 1.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 100000.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.1000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 77.1 REMARK 3 NUMBER OF REFLECTIONS : 5426 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) : 0.155 REMARK 3 FREE R VALUE : 0.299 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 15.000 REMARK 3 FREE R VALUE TEST SET COUNT : 860 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.010 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 8 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.60 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.71 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 41.10 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 314 REMARK 3 BIN R VALUE (WORKING SET) : 0.2190 REMARK 3 BIN FREE R VALUE : 0.3520 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 6.46 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 58 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.046 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1920 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 21 REMARK 3 SOLVENT ATOMS : 22 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 11.20 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : 8.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.011 REMARK 3 BOND ANGLES (DEGREES) : 1.82 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 24.80 REMARK 3 IMPROPER ANGLES (DEGREES) : 2.51 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : GROUPED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL 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 : PARHCSDX.PRO REMARK 3 PARAMETER FILE 2 : PARAM19.SOL REMARK 3 PARAMETER FILE 3 : NULL REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : TOPHCSDX.PRO REMARK 3 TOPOLOGY FILE 2 : TOPH19.SOL REMARK 3 TOPOLOGY FILE 3 : TOPH19.PEP REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL

REMARK 4 REMARK 4 3VSB COMPLIES WITH FORMAT V. 3.15, 01-DEC-08

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL.

REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : AUG-96 REMARK 200 TEMPERATURE (KELVIN) : 287 REMARK 200 PH : 7.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU RUH2R REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NI FILTER REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : AREA DETECTOR REMARK 200 DETECTOR MANUFACTURER : SIEMENS REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : XSCALE REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 6957 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.600 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 77.0 REMARK 200 DATA REDUNDANCY : 4.000 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.09100 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 6.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.60 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.71 REMARK 200 COMPLETENESS FOR SHELL (%) : 41.1 REMARK 200 DATA REDUNDANCY IN SHELL : 3.00 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.15000 REMARK 200 <I/SIGMA(I)> FOR SHELL : 2.500 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: ISOSTRUCTURAL TO 1SCA REMARK 200 SOFTWARE USED: X-PLOR 3.1 REMARK 200 STARTING MODEL: PDB ENTRY 1SCA REMARK 200 REMARK 200 REMARK: STARTING MODEL WAS RE-INDEXED TO CONFORM TO AXIS REMARK 200 LABELING CONVENTION A<B

REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 41.50 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.20 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: AS GIVEN IN REFERENCE 4, PH 7.0

REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 REMARK 290 4555 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 26.50000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 38.30000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 27.70000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 38.30000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 26.50000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 27.70000 REMARK 290 SMTRY3 4 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: MONOMERIC 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 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 LYS A 12 16.96 59.09 REMARK 500 ASP A 32 -158.95 -146.13 REMARK 500 GLN A 36 81.36 -67.09 REMARK 500 ALA A 73 47.86 -150.32 REMARK 500 ASN A 77 -151.18 -124.05 REMARK 500 SER A 98 -4.22 -58.05 REMARK 500 PRO A 210 138.79 -30.48 REMARK 500 PRO A 225 1.57 -67.74 REMARK 500 SER A 259 127.15 -33.38 REMARK 500 ASN A 269 86.00 -154.16 REMARK 500 REMARK 500 REMARK: NULL

REMARK 620 REMARK 620 METAL COORDINATION REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 NA A 300 NA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ALA A 169 O REMARK 620 2 TYR A 171 O 91.4 REMARK 620 3 VAL A 174 O 121.8 106.1 REMARK 620 N 1 2 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 NA A 301 NA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLN A 2 NE2 REMARK 620 2 ASP A 41 OD1 143.4 REMARK 620 3 ASP A 41 OD2 151.3 61.3 REMARK 620 4 LEU A 75 O 71.8 85.9 135.3 REMARK 620 5 ASN A 77 OD1 71.8 75.1 118.2 76.4 REMARK 620 6 VAL A 81 O 79.0 135.4 84.3 102.8 149.5 REMARK 620 7 THR A 79 O 87.6 91.8 74.9 139.9 64.4 106.6 REMARK 620 N 1 2 3 4 5 6

REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: ACT REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: SERINE OF THE ACTIVE SITE HAS BEEN CHEMICALLY REMARK 800 MODIFIED TO INCLUDE A COVALENT BOND FROM OG TO BORON OF THE REMARK 800 INHIBITOR. REMARK 800 SITE_IDENTIFIER: M1 REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: SODIUM METAL BINDING SITE 1. REMARK 800 SITE_IDENTIFIER: M2 REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: SODIUM METAL BINDING SITE 2. REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA A 300 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA A 301

REMARK 999 REMARK 999 SEQUENCE REMARK 999 REMARK 999 THE 274 RESIDUES ARE NUMBERED 1 - 275 WITH RESIDUE 56 REMARK 999 DELETED TO CONFORM TO SEQUENCE NUMBERING IN SUBTILISIN REMARK 999 BPN'.

DBREF 3VSB A 1 275 UNP P00780 SUBT_BACLI 106 379

SEQADV 3VSB SER A 103 UNP P00780 THR 207 CONFLICT SEQADV 3VSB ALA A 129 UNP P00780 PRO 233 CONFLICT SEQADV 3VSB ASN A 158 UNP P00780 SER 262 CONFLICT SEQADV 3VSB SER A 161 UNP P00780 ASN 265 CONFLICT SEQADV 3VSB ASN A 212 UNP P00780 SER 316 CONFLICT SEQADV 3VSB SBD A 221 UNP P00780 SER 325 MODIFIED RESIDUE

SEQRES 1 A 274 ALA GLN THR VAL PRO TYR GLY ILE PRO LEU ILE LYS ALA SEQRES 2 A 274 ASP LYS VAL GLN ALA GLN GLY PHE LYS GLY ALA ASN VAL SEQRES 3 A 274 LYS VAL ALA VAL LEU ASP THR GLY ILE GLN ALA SER HIS SEQRES 4 A 274 PRO ASP LEU ASN VAL VAL GLY GLY ALA SER PHE VAL ALA SEQRES 5 A 274 GLY GLU ALA TYR ASN THR ASP GLY ASN GLY HIS GLY THR SEQRES 6 A 274 HIS VAL ALA GLY THR VAL ALA ALA LEU ASP ASN THR THR SEQRES 7 A 274 GLY VAL LEU GLY VAL ALA PRO SER VAL SER LEU TYR ALA SEQRES 8 A 274 VAL LYS VAL LEU ASN SER SER GLY SER GLY SER TYR SER SEQRES 9 A 274 GLY ILE VAL SER GLY ILE GLU TRP ALA THR THR ASN GLY SEQRES 10 A 274 MET ASP VAL ILE ASN MET SER LEU GLY GLY ALA SER GLY SEQRES 11 A 274 SER THR ALA MET LYS GLN ALA VAL ASP ASN ALA TYR ALA SEQRES 12 A 274 ARG GLY VAL VAL VAL VAL ALA ALA ALA GLY ASN SER GLY SEQRES 13 A 274 ASN SER GLY SER THR ASN THR ILE GLY TYR PRO ALA LYS SEQRES 14 A 274 TYR ASP SER VAL ILE ALA VAL GLY ALA VAL ASP SER ASN SEQRES 15 A 274 SER ASN ARG ALA SER PHE SER SER VAL GLY ALA GLU LEU SEQRES 16 A 274 GLU VAL MET ALA PRO GLY ALA GLY VAL TYR SER THR TYR SEQRES 17 A 274 PRO THR ASN THR TYR ALA THR LEU ASN GLY THR SBD MET SEQRES 18 A 274 ALA SER PRO HIS VAL ALA GLY ALA ALA ALA LEU ILE LEU SEQRES 19 A 274 SER LYS HIS PRO ASN LEU SER ALA SER GLN VAL ARG ASN SEQRES 20 A 274 ARG LEU SER SER THR ALA THR TYR LEU GLY SER SER PHE SEQRES 21 A 274 TYR TYR GLY LYS GLY LEU ILE ASN VAL GLU ALA ALA ALA SEQRES 22 A 274 GLN

HET SBD A 221 25 HET NA A 300 1 HET NA A 301 1

HETNAM SBD D-NAPHTHYL-1-ACETAMIDO BORONIC ACID ALANINE HETNAM NA SODIUM ION

FORMUL 1 SBD C17 H22 B N2 O6 1- FORMUL 2 NA 2(NA 1+) FORMUL 4 HOH *22(H2 O)

HELIX 1 1 TYR A 6 ILE A 11 1 6 HELIX 2 2 LYS A 12 GLN A 19 1 8 HELIX 3 3 GLY A 63 ALA A 74 1 12 HELIX 4 4 SER A 103 ASN A 117 1 15 HELIX 5 5 SER A 132 GLY A 146 1 15 HELIX 6 6 THR A 220 HIS A 238 1 19 HELIX 7 7 SER A 242 THR A 253 1 12 HELIX 8 8 ASN A 269 ALA A 274 1 6

SHEET 1 SH1 8 ASN A 43 PHE A 50 0 SHEET 2 SH1 8 SER A 89 VAL A 95 1 O LEU A 90 N VAL A 45 SHEET 3 SH1 8 VAL A 26 ASP A 32 1 O VAL A 28 N TYR A 91 SHEET 4 SH1 8 ASP A 120 MET A 124 1 N ASP A 120 O LYS A 27 SHEET 5 SH1 8 VAL A 148 ALA A 153 1 N VAL A 150 O ILE A 122 SHEET 6 SH1 8 ILE A 175 VAL A 180 1 N ILE A 175 O VAL A 149 SHEET 7 SH1 8 GLU A 197 GLY A 202 1 N GLY A 202 O VAL A 180 SHEET 8 SH1 8 LYS A 265 ILE A 268 1 O GLY A 266 N MET A 199

LINK N SBD A 221 C THR A 220 1555 1555 1.34 LINK C SBD A 221 N MET A 222 1555 1555 1.33 LINK NA NA A 300 O ALA A 169 1555 1555 1.88 LINK NA NA A 300 O TYR A 171 1555 1555 1.86 LINK NA NA A 300 O VAL A 174 1555 1555 2.07 LINK NA NA A 301 NE2 GLN A 2 1555 1555 2.19 LINK NA NA A 301 OD1 ASP A 41 1555 1555 2.00 LINK NA NA A 301 OD2 ASP A 41 1555 1555 2.18 LINK NA NA A 301 O LEU A 75 1555 1555 2.20 LINK NA NA A 301 OD1 ASN A 77 1555 1555 2.27 LINK NA NA A 301 O VAL A 81 1555 1555 1.92 LINK NA NA A 301 O THR A 79 1555 1555 2.58

CISPEP 1 TYR A 167 PRO A 168 0 0.13

SITE 1 ACT 3 ASP A 32 HIS A 64 SBD A 221 SITE 1 M1 4 LEU A 75 ASN A 77 THR A 79 VAL A 81 SITE 1 M2 2 ALA A 169 VAL A 174 SITE 1 AC1 3 ALA A 169 TYR A 171 VAL A 174 SITE 1 AC2 6 GLN A 2 ASP A 41 LEU A 75 ASN A 77 SITE 2 AC2 6 THR A 79 VAL A 81

CRYST1 53.000 55.400 76.600 90.00 90.00 90.00 P 21 21 21 4

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 0.018868 0.000000 0.000000 0.00000

SCALE2 0.000000 0.018051 0.000000 0.00000

SCALE3 0.000000 0.000000 0.013055 0.00000