HEADER HYDROLASE/HYDROLASE INHIBITOR 06-SEP-95 1GBF TITLE ALPHA-LYTIC PROTEASE WITH MET 190 REPLACED BY ALA AND GLY 216 REPLACED TITLE 2 BY LEU COMPLEX WITH METHOXYSUCCINYL-ALA-ALA-PRO-ALANINE BORONIC ACID COMPND MOL_ID: 1; COMPND 2 MOLECULE: ALPHA-LYTIC PROTEASE; COMPND 3 CHAIN: A; COMPND 4 EC: 3.4.21.12; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES; COMPND 7 MOL_ID: 2; COMPND 8 MOLECULE: METHOXYSUCCINYL-ALA-ALA-PRO-ALANINE BORONIC ACID INHIBITOR; COMPND 9 CHAIN: P; COMPND 10 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: LYSOBACTER ENZYMOGENES; SOURCE 3 ORGANISM_TAXID: 69; SOURCE 4 STRAIN: 495; SOURCE 5 ATCC: 29487; SOURCE 6 GENE: ALPHA-LYTIC PROTEASE PREPROENZ; SOURCE 7 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 8 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PALP12 (PBR322-DERIVATIVE); SOURCE 10 EXPRESSION_SYSTEM_GENE: ALPHA-LYTIC PROTEASE PREPROENZYME; SOURCE 11 MOL_ID: 2; SOURCE 12 SYNTHETIC: YES KEYWDS ACTIVE-SITE MUTATION, SERINE PROTEINASE, HYDROLASE-HYDROLASE KEYWDS 2 INHIBITOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR J.E.MACE,D.A.AGARD REVDAT 4 27-JUL-11 1GBF 1 HETATM REMARK SITE REVDAT 3 13-JUL-11 1GBF 1 VERSN REVDAT 2 24-FEB-09 1GBF 1 VERSN REVDAT 1 29-JAN-96 1GBF 0 JRNL AUTH J.E.MACE,D.A.AGARD JRNL TITL KINETIC AND STRUCTURAL CHARACTERIZATION OF MUTATIONS OF JRNL TITL 2 GLYCINE 216 IN ALPHA-LYTIC PROTEASE: A NEW TARGET FOR JRNL TITL 3 ENGINEERING SUBSTRATE SPECIFICITY. JRNL REF J.MOL.BIOL. V. 254 720 1995 JRNL REFN ISSN 0022-2836 JRNL PMID 7500345 JRNL DOI 10.1006/JMBI.1995.0650 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH R.BONE,A.FUJUSHIGE,C.A.KETTNER,D.A.AGARD REMARK 1 TITL STRUCTURAL BASIS FOR BROAD SPECIFICITY IN ALPHA-LYTIC REMARK 1 TITL 2 PROTEASE REMARK 1 REF BIOCHEMISTRY V. 30 10388 1991 REMARK 1 REFN ISSN 0006-2960 REMARK 1 REFERENCE 2 REMARK 1 AUTH R.BONE,J.L.SILEN,D.A.AGARD REMARK 1 TITL STRUCTURAL PLASTICITY BROADENS THE SPECIFICITY OF AN REMARK 1 TITL 2 ENGINEERED PROTEASE REMARK 1 REF NATURE V. 339 191 1989 REMARK 1 REFN ISSN 0028-0836 REMARK 1 REFERENCE 3 REMARK 1 AUTH R.BONE,D.FRANK,D.KETTNER,D.A.AGARD REMARK 1 TITL STRUCTURAL ANALYSIS OF SPECIFICITY: ALPHA-LYTIC PROTEASE REMARK 1 TITL 2 COMPLEXES WITH ANALOGUES OF REACTION INTERMEDIATES REMARK 1 REF BIOCHEMISTRY V. 28 7600 1989 REMARK 1 REFN ISSN 0006-2960 REMARK 1 REFERENCE 4 REMARK 1 AUTH R.BONE,A.B.SHENVI,C.A.KETTNER,D.A.AGARD REMARK 1 TITL SERINE PROTEASE MECHANISM: STRUCTURE OF AN INHIBITORY REMARK 1 TITL 2 COMPLEX OF ALPHA-LYTIC PROTEASE AND A TIGHTLY BOUND PEPTIDE REMARK 1 TITL 3 BORONIC ACID REMARK 1 REF BIOCHEMISTRY V. 27 7609 1987 REMARK 1 REFN ISSN 0006-2960 REMARK 1 REFERENCE 5 REMARK 1 AUTH M.FUJINAGA,L.T.J.DELBAERE,G.D.BRAYER,M.N.G.JAMES REMARK 1 TITL REFINED STRUCTURE OF ALPHA-LYTIC PROTEASE AT 1.7 ANGSTROMS REMARK 1 TITL 2 RESOLUTION. ANALYSIS OF HYDROGEN BONDING AND SOLVENT REMARK 1 TITL 3 STRUCTURE REMARK 1 REF J.MOL.BIOL. V. 184 479 1985 REMARK 1 REFN ISSN 0022-2836 REMARK 1 REFERENCE 6 REMARK 1 AUTH G.D.BRAYER,L.T.J.DELBAERE,M.N.G.JAMES REMARK 1 TITL MOLECULAR STRUCTURE OF THE ALPHA-LYTIC PROTEASE FROM REMARK 1 TITL 2 MYXOBACTER 495 AT 2.8 ANGSTROMS RESOLUTION REMARK 1 REF J.MOL.BIOL. V. 131 743 1979 REMARK 1 REFN ISSN 0022-2836 REMARK 2 REMARK 2 RESOLUTION. 2.15 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) : 2.15 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 17.50 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 9668 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING SET) : 0.140 REMARK 3 FREE R VALUE : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1415 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 10 REMARK 3 SOLVENT ATOMS : 170 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL 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) : NULL 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) : 0.014 REMARK 3 BOND ANGLES (DEGREES) : 2.70 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 26.00 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.19 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : NULL 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 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: THE METHOXYSUCCINYL PORTION OF THE REMARK 3 INHIBITOR WAS DISORDERED AND NO COORDINATES ARE INCLUDED FOR IT REMARK 3 IN THIS ENTRY REMARK 4 REMARK 4 1GBF 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 : 24-JUN-94 REMARK 200 TEMPERATURE (KELVIN) : NULL REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : NULL REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : DIFFRACTOMETER REMARK 200 DETECTOR MANUFACTURER : RIGAKU AFC-6R REMARK 200 INTENSITY-INTEGRATION SOFTWARE : RIGAKU AFC5 CONTROL SOFTWARE REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 9858 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.150 REMARK 200 RESOLUTION RANGE LOW (A) : 17.500 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 85.0 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: X-PLOR 3.1 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 50.72 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.50 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 32 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+2/3 REMARK 290 3555 -X+Y,-X,Z+1/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+1/3 REMARK 290 6555 -X,-X+Y,-Z+2/3 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 53.45333 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 26.72667 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 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 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 26.72667 REMARK 290 SMTRY1 6 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 53.45333 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 REMARK 350 TOTAL BURIED SURFACE AREA: 1050 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 7800 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -23.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, P 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 400 REMARK 400 COMPOUND REMARK 400 INHIBITORY PEPTIDE BORONIC ACIDS ARE PEPTIDE ANALOGS IN WHICH THE C REMARK 400 -TERMINAL CARBOXYL GROUP HAS BEEN REPLACED WITH THE BORONIC ACID REMARK 400 GROUP (B(OH)2). REMARK 465 REMARK 465 MISSING RESIDUES REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 465 REMARK 465 M RES C SSSEQI REMARK 465 MSU P 5 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 ARG A 48A NE - CZ - NH1 ANGL. DEV. = 4.0 DEGREES REMARK 500 ARG A 48A NE - CZ - NH2 ANGL. DEV. = -6.6 DEGREES REMARK 500 ARG A 65 NE - CZ - NH1 ANGL. DEV. = 4.7 DEGREES REMARK 500 ARG A 90 NE - CZ - NH1 ANGL. DEV. = 4.6 DEGREES REMARK 500 ARG A 90 NE - CZ - NH2 ANGL. DEV. = -3.4 DEGREES REMARK 500 TRP A 105 CD1 - CG - CD2 ANGL. DEV. = 5.8 DEGREES REMARK 500 TRP A 105 CE2 - CD2 - CG ANGL. DEV. = -5.9 DEGREES REMARK 500 ARG A 120A NE - CZ - NH1 ANGL. DEV. = 3.4 DEGREES REMARK 500 ARG A 122 CG - CD - NE ANGL. DEV. = -13.3 DEGREES REMARK 500 ARG A 122 NE - CZ - NH1 ANGL. DEV. = 8.8 DEGREES REMARK 500 ARG A 122 NE - CZ - NH2 ANGL. DEV. = -6.4 DEGREES REMARK 500 ARG A 178 NE - CZ - NH2 ANGL. DEV. = -3.4 DEGREES REMARK 500 CYS A 189 CA - CB - SG ANGL. DEV. = 6.8 DEGREES REMARK 500 ARG A 192 NE - CZ - NH2 ANGL. DEV. = -4.3 DEGREES REMARK 500 TRP A 199 CD1 - CG - CD2 ANGL. DEV. = 5.5 DEGREES REMARK 500 LEU A 216 CA - CB - CG ANGL. DEV. = 16.1 DEGREES 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 ALA A 39 -78.70 -136.44 REMARK 500 PRO A 95 -151.09 -76.97 REMARK 500 PRO A 120 48.38 -77.80 REMARK 500 REMARK 500 REMARK: NULL 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 1 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 2 REMARK 999 REMARK 999 SEQUENCE REMARK 999 CHAIN A RESIDUE NUMBERING IS DONE BY HOMOLOGY WITH CHYMOTRYPSIN FOR REMARK 999 RESIDUES 15A - 245. CHAIN P INHIBITOR NUMBERING IS DONE BY ANALOGY REMARK 999 TO PROTEASE SUBSTRATE NOMENCLATURE IN WHICH THE RESIDUE PRIOR TO REMARK 999 THE SCISSILE BOND IS THE P1 RESIDUE, THE NEXT TOWARD THE N-TERMINUS REMARK 999 IS THE P2 RESIDUE, ETC. DBREF 1GBF A 15A 245 UNP P00778 PRLA_LYSEN 200 397 DBREF 1GBF P 1 5 PDB 1GBF 1GBF 5 1 SEQADV 1GBF ALA A 190 UNP P00778 MET 337 ENGINEERED MUTATION SEQADV 1GBF LEU A 216 UNP P00778 GLY 360 ENGINEERED MUTATION SEQRES 1 A 198 ALA ASN ILE VAL GLY GLY ILE GLU TYR SER ILE ASN ASN SEQRES 2 A 198 ALA SER LEU CYS SER VAL GLY PHE SER VAL THR ARG GLY SEQRES 3 A 198 ALA THR LYS GLY PHE VAL THR ALA GLY HIS CYS GLY THR SEQRES 4 A 198 VAL ASN ALA THR ALA ARG ILE GLY GLY ALA VAL VAL GLY SEQRES 5 A 198 THR PHE ALA ALA ARG VAL PHE PRO GLY ASN ASP ARG ALA SEQRES 6 A 198 TRP VAL SER LEU THR SER ALA GLN THR LEU LEU PRO ARG SEQRES 7 A 198 VAL ALA ASN GLY SER SER PHE VAL THR VAL ARG GLY SER SEQRES 8 A 198 THR GLU ALA ALA VAL GLY ALA ALA VAL CYS ARG SER GLY SEQRES 9 A 198 ARG THR THR GLY TYR GLN CYS GLY THR ILE THR ALA LYS SEQRES 10 A 198 ASN VAL THR ALA ASN TYR ALA GLU GLY ALA VAL ARG GLY SEQRES 11 A 198 LEU THR GLN GLY ASN ALA CYS ALA GLY ARG GLY ASP SER SEQRES 12 A 198 GLY GLY SER TRP ILE THR SER ALA GLY GLN ALA GLN GLY SEQRES 13 A 198 VAL MET SER GLY LEU ASN VAL GLN SER ASN GLY ASN ASN SEQRES 14 A 198 CYS GLY ILE PRO ALA SER GLN ARG SER SER LEU PHE GLU SEQRES 15 A 198 ARG LEU GLN PRO ILE LEU SER GLN TYR GLY LEU SER LEU SEQRES 16 A 198 VAL THR GLY SEQRES 1 P 5 MSU ALA ALA PRO B2A MODRES 1GBF B2A P 1 ALA ALANINE BORONIC ACID HET B2A P 1 6 HET SO4 A 1 5 HET SO4 A 2 5 HETNAM B2A ALANINE BORONIC ACID HETNAM SO4 SULFATE ION FORMUL 2 B2A C2 H8 B N O2 FORMUL 3 SO4 2(O4 S 2-) FORMUL 5 HOH *170(H2 O) HELIX 1 1 GLY A 56 CYS A 58 5 3 HELIX 2 2 ALA A 222B GLN A 223 5 3 HELIX 3 3 LEU A 231 TYR A 238 1 8 SHEET 1 A 2 GLU A 32 ILE A 35 0 SHEET 2 A 2 SER A 40 SER A 43 -1 N CYS A 42 O TYR A 33 SHEET 1 B 5 PHE A 45 ARG A 48A 0 SHEET 2 B 5 THR A 49 THR A 54 -1 N VAL A 53 O PHE A 45 SHEET 3 B 5 ARG A 103 LEU A 108 -1 N VAL A 106 O PHE A 52 SHEET 4 B 5 ALA A 82 VAL A 91 -1 N VAL A 91 O ARG A 103 SHEET 5 B 5 THR A 62 ILE A 66 -1 N ILE A 66 O ALA A 82 SHEET 1 C 2 ARG A 120A ASN A 120D 0 SHEET 2 C 2 SER A 120H THR A 120K-1 N VAL A 120J O VAL A 120B SHEET 1 D 6 GLY A 156 THR A 161 0 SHEET 2 D 6 ALA A 135 GLY A 140 -1 N GLY A 140 O GLY A 156 SHEET 3 D 6 SER A 198 ILE A 200 -1 N ILE A 200 O CYS A 137 SHEET 4 D 6 ALA A 209 LEU A 216 -1 N GLY A 211 O TRP A 199 SHEET 5 D 6 SER A 226 ARG A 230 -1 N GLU A 229 O VAL A 212 SHEET 6 D 6 THR A 181 GLY A 183 -1 N GLY A 183 O SER A 226 SHEET 1 E 2 ALA A 169 TYR A 171 0 SHEET 2 E 2 GLY A 175 VAL A 177 -1 N VAL A 177 O ALA A 169 SSBOND 1 CYS A 42 CYS A 58 1555 1555 2.03 SSBOND 2 CYS A 137 CYS A 159 1555 1555 2.00 SSBOND 3 CYS A 189 CYS A 220A 1555 1555 2.01 LINK N B2A P 1 C PRO P 2 1555 1555 1.35 LINK B B2A P 1 OG SER A 195 1555 1555 1.40 CISPEP 1 PHE A 94 PRO A 95 0 -12.70 SITE 1 AC1 8 SER A 120G GLY A 123 SER A 124 THR A 125 SITE 2 AC1 8 ARG A 192 HOH A 254 HOH A 294 HOH A 389 SITE 1 AC2 7 ALA A 15A ASN A 15B ARG A 230 PRO A 233 SITE 2 AC2 7 HOH A 270 HOH A 281 HOH A 366 CRYST1 66.200 66.200 80.180 90.00 90.00 120.00 P 32 2 1 6 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 0.015106 0.008721 0.000000 0.00000 SCALE2 0.000000 0.017443 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012472 0.00000