HEADER HYDROLASE 11-AUG-07 2QXI TITLE HIGH RESOLUTION STRUCTURE OF HUMAN KALLIKREIN 7 IN COMPLEX WITH SUC- TITLE 2 ALA-ALA-PRO-PHE-CHLOROMETHYLKETONE COMPND MOL_ID: 1; COMPND 2 MOLECULE: KALLIKREIN-7; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: HK7, STRATUM CORNEUM CHYMOTRYPTIC ENZYME, HSCCE, SERINE COMPND 5 PROTEASE 6; COMPND 6 EC: 3.4.21.117; COMPND 7 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: KLK7, PRSS6, SCCE; SOURCE 6 EXPRESSION_SYSTEM: SPODOPTERA FRUGIPERDA; SOURCE 7 EXPRESSION_SYSTEM_COMMON: FALL ARMYWORM; SOURCE 8 EXPRESSION_SYSTEM_TAXID: 7108; SOURCE 9 EXPRESSION_SYSTEM_STRAIN: SF9; SOURCE 10 EXPRESSION_SYSTEM_VECTOR_TYPE: BACULOVIRUS KEYWDS S1 POCKET, CHLOROMETHYL KETONE, ALTERNATE CONFORMATIONS, ALTERNATIVE KEYWDS 2 SPLICING, GLYCOPROTEIN, HYDROLASE, PROTEASE, SECRETED, SERINE KEYWDS 3 PROTEASE, ZYMOGEN EXPDTA X-RAY DIFFRACTION AUTHOR M.DEBELA,P.HESS,V.MAGDOLEN,N.M.SCHECHTER,W.BODE,P.GOETTIG REVDAT 4 30-AUG-23 2QXI 1 REMARK LINK REVDAT 3 24-JAN-18 2QXI 1 AUTHOR REMARK REVDAT 2 24-FEB-09 2QXI 1 VERSN REVDAT 1 08-JAN-08 2QXI 0 JRNL AUTH M.DEBELA,P.HESS,V.MAGDOLEN,N.M.SCHECHTER,T.STEINER,R.HUBER, JRNL AUTH 2 W.BODE,P.GOETTIG JRNL TITL CHYMOTRYPTIC SPECIFICITY DETERMINANTS IN THE 1.0 A STRUCTURE JRNL TITL 2 OF THE ZINC-INHIBITED HUMAN TISSUE KALLIKREIN 7. JRNL REF PROC.NATL.ACAD.SCI.USA V. 104 16086 2007 JRNL REFN ISSN 0027-8424 JRNL PMID 17909180 JRNL DOI 10.1073/PNAS.0707811104 REMARK 2 REMARK 2 RESOLUTION. 1.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : SHELX REMARK 3 AUTHORS : G.M.SHELDRICK REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 10.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 89.4 REMARK 3 CROSS-VALIDATION METHOD : FREE R REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (NO CUTOFF). REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : 0.141 REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : 0.141 REMARK 3 FREE R VALUE (NO CUTOFF) : 0.159 REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 5.400 REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : 4932 REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 97066 REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F). REMARK 3 R VALUE (WORKING + TEST SET, F>4SIG(F)) : 0.122 REMARK 3 R VALUE (WORKING SET, F>4SIG(F)) : NULL REMARK 3 FREE R VALUE (F>4SIG(F)) : 0.149 REMARK 3 FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : 5.300 REMARK 3 FREE R VALUE TEST SET COUNT (F>4SIG(F)) : 4203 REMARK 3 TOTAL NUMBER OF REFLECTIONS (F>4SIG(F)) : 78584 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1706 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 36 REMARK 3 SOLVENT ATOMS : 225 REMARK 3 REMARK 3 MODEL REFINEMENT. REMARK 3 OCCUPANCY SUM OF NON-HYDROGEN ATOMS : NULL REMARK 3 OCCUPANCY SUM OF HYDROGEN ATOMS : NULL REMARK 3 NUMBER OF DISCRETELY DISORDERED RESIDUES : NULL REMARK 3 NUMBER OF LEAST-SQUARES PARAMETERS : 18790 REMARK 3 NUMBER OF RESTRAINTS : 23566 REMARK 3 REMARK 3 RMS DEVIATIONS FROM RESTRAINT TARGET VALUES. REMARK 3 BOND LENGTHS (A) : 0.015 REMARK 3 ANGLE DISTANCES (A) : 0.336 REMARK 3 SIMILAR DISTANCES (NO TARGET VALUES) (A) : 0.000 REMARK 3 DISTANCES FROM RESTRAINT PLANES (A) : 0.031 REMARK 3 ZERO CHIRAL VOLUMES (A**3) : 0.079 REMARK 3 NON-ZERO CHIRAL VOLUMES (A**3) : 0.099 REMARK 3 ANTI-BUMPING DISTANCE RESTRAINTS (A) : 0.077 REMARK 3 RIGID-BOND ADP COMPONENTS (A**2) : 0.005 REMARK 3 SIMILAR ADP COMPONENTS (A**2) : 0.078 REMARK 3 APPROXIMATELY ISOTROPIC ADPS (A**2) : 0.000 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED: MOEWS & KRETSINGER, J.MOL.BIOL.91(1973)201-228 REMARK 3 REMARK 3 STEREOCHEMISTRY TARGET VALUES : ENGH AND HUBER REMARK 3 SPECIAL CASE: NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: ANISOTROPIC REFINEMENT REDUCED FREE R REMARK 3 (NO CUTOFF), RIDING HYDROGEN MODEL OF SHELX WAS EMPLOYED IN THE REMARK 3 REFINEMENT REMARK 4 REMARK 4 2QXI COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 20-DEC-07. REMARK 100 THE DEPOSITION ID IS D_1000044168. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 30-JUL-05 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : MPG/DESY, HAMBURG REMARK 200 BEAMLINE : BW6 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0500 REMARK 200 MONOCHROMATOR : SI 111 CHANNEL REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MAR CCD 165 MM REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 97071 REMARK 200 RESOLUTION RANGE HIGH (A) : 0.999 REMARK 200 RESOLUTION RANGE LOW (A) : 44.640 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 94.0 REMARK 200 DATA REDUNDANCY : 3.300 REMARK 200 R MERGE (I) : 0.03500 REMARK 200 R SYM (I) : 0.03500 REMARK 200 FOR THE DATA SET : 9.7000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.00 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.05 REMARK 200 COMPLETENESS FOR SHELL (%) : 89.6 REMARK 200 DATA REDUNDANCY IN SHELL : 2.90 REMARK 200 R MERGE FOR SHELL (I) : 0.28000 REMARK 200 R SYM FOR SHELL (I) : 0.28000 REMARK 200 FOR SHELL : 2.400 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: 1LO6 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 38.08 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.99 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 30% MPD, 0.1 M SODIUM CACODYLATE, 0.2 REMARK 280 M MAGNESIUM ACETATE, PH 6.5, VAPOR DIFFUSION, SITTING DROP, REMARK 280 TEMPERATURE 291K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 28.47650 REMARK 290 SMTRY3 2 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA 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 480 REMARK 480 ZERO OCCUPANCY ATOM REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 480 M RES C SSEQI ATOMS REMARK 480 ARG A 77 NH1 NH2 REMARK 480 ARG A 80 CD NE CZ NH1 NH2 REMARK 480 LYS A 243 CD CE NZ REMARK 480 ARG A 246 CG CD NE CZ NH1 NH2 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS 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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) 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 RES CSSEQI ATM2 DEVIATION REMARK 500 ARG A 77 NE ARG A 77 CZ 0.282 REMARK 500 REMARK 500 REMARK: NULL 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 24 NE - CZ - NH1 ANGL. DEV. = 3.5 DEGREES REMARK 500 ARG A 24 NE - CZ - NH2 ANGL. DEV. = -3.8 DEGREES REMARK 500 VAL A 45 CA - CB - CG1 ANGL. DEV. = 9.7 DEGREES REMARK 500 ARG A 50 NE - CZ - NH2 ANGL. DEV. = 4.9 DEGREES REMARK 500 GLY A 74 C - N - CA ANGL. DEV. = -14.4 DEGREES REMARK 500 ARG A 76 NE - CZ - NH1 ANGL. DEV. = -4.8 DEGREES REMARK 500 ARG A 76 NE - CZ - NH2 ANGL. DEV. = 3.8 DEGREES REMARK 500 ARG A 77 CD - NE - CZ ANGL. DEV. = -12.7 DEGREES REMARK 500 ARG A 77 NE - CZ - NH1 ANGL. DEV. = -5.3 DEGREES REMARK 500 ARG A 77 NE - CZ - NH2 ANGL. DEV. = 3.1 DEGREES REMARK 500 ARG A 90 NE - CZ - NH1 ANGL. DEV. = -4.4 DEGREES REMARK 500 ARG A 113 NE - CZ - NH2 ANGL. DEV. = 5.2 DEGREES REMARK 500 ARG A 122 NE - CZ - NH2 ANGL. DEV. = -3.1 DEGREES REMARK 500 ASP A 186A CB - CG - OD1 ANGL. DEV. = 5.5 DEGREES REMARK 500 ARG A 202 NE - CZ - NH1 ANGL. DEV. = -4.7 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 LYS A 173 -127.42 51.40 REMARK 500 SER A 214 -59.50 -121.75 REMARK 500 HIS A 245 30.34 -97.13 REMARK 500 REMARK 500 REMARK: NULL REMARK 615 REMARK 615 ZERO OCCUPANCY ATOM REMARK 615 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO REMARK 615 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS REMARK 615 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 615 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 615 M RES C SSEQI REMARK 615 K7J A 300 REMARK 630 REMARK 630 MOLECULE TYPE: NULL REMARK 630 MOLECULE NAME: N-(3-CARBOXYPROPANOYL)-L-ALANYL-L-ALANYL-N-[(2S,3S)- REMARK 630 4-CHLORO-3-HYDROXY-1-PHENYLBUTAN-2-YL]-L-PROLINAMIDE REMARK 630 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 630 SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 630 REMARK 630 M RES C SSSEQI REMARK 630 K7J A 300 REMARK 630 SOURCE: NULL REMARK 630 TAXONOMY: NULL REMARK 630 SUBCOMP: SIN ALA ALA PRO HPH 0QE REMARK 630 DETAILS: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K7J A 300 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2QXG RELATED DB: PDB REMARK 900 RELATED ID: 2QXH RELATED DB: PDB REMARK 900 RELATED ID: 2QXJ RELATED DB: PDB DBREF 2QXI A 16 246 UNP P49862 KLK7_HUMAN 30 253 SEQRES 1 A 224 ILE ILE ASP GLY ALA PRO CYS ALA ARG GLY SER HIS PRO SEQRES 2 A 224 TRP GLN VAL ALA LEU LEU SER GLY ASN GLN LEU HIS CYS SEQRES 3 A 224 GLY GLY VAL LEU VAL ASN GLU ARG TRP VAL LEU THR ALA SEQRES 4 A 224 ALA HIS CYS LYS MET ASN GLU TYR THR VAL HIS LEU GLY SEQRES 5 A 224 SER ASP THR LEU GLY ASP ARG ARG ALA GLN ARG ILE LYS SEQRES 6 A 224 ALA SER LYS SER PHE ARG HIS PRO GLY TYR SER THR GLN SEQRES 7 A 224 THR HIS VAL ASN ASP LEU MET LEU VAL LYS LEU ASN SER SEQRES 8 A 224 GLN ALA ARG LEU SER SER MET VAL LYS LYS VAL ARG LEU SEQRES 9 A 224 PRO SER ARG CYS GLU PRO PRO GLY THR THR CYS THR VAL SEQRES 10 A 224 SER GLY TRP GLY THR THR THR SER PRO ASP VAL THR PHE SEQRES 11 A 224 PRO SER ASP LEU MET CYS VAL ASP VAL LYS LEU ILE SER SEQRES 12 A 224 PRO GLN ASP CYS THR LYS VAL TYR LYS ASP LEU LEU GLU SEQRES 13 A 224 ASN SER MET LEU CYS ALA GLY ILE PRO ASP SER LYS LYS SEQRES 14 A 224 ASN ALA CYS ASN GLY ASP SER GLY GLY PRO LEU VAL CYS SEQRES 15 A 224 ARG GLY THR LEU GLN GLY LEU VAL SER TRP GLY THR PHE SEQRES 16 A 224 PRO CYS GLY GLN PRO ASN ASP PRO GLY VAL TYR THR GLN SEQRES 17 A 224 VAL CYS LYS PHE THR LYS TRP ILE ASN ASP THR MET LYS SEQRES 18 A 224 LYS HIS ARG HET K7J A 300 45 HETNAM K7J N-(3-CARBOXYPROPANOYL)-L-ALANYL-L-ALANYL-N-[(2S,3S)-4- HETNAM 2 K7J CHLORO-3-HYDROXY-1-PHENYLBUTAN-2-YL]-L-PROLINAMIDE HETSYN K7J SUCCINYL-ALA-ALA-PRO-PHE-CHLOROMETHYL KETONE FORMUL 2 K7J C25 H35 CL N4 O7 FORMUL 3 HOH *225(H2 O) HELIX 1 1 ALA A 55 LYS A 59 5 5 HELIX 2 2 SER A 164 LYS A 173 1 10 HELIX 3 3 ASP A 174 LEU A 176 5 3 HELIX 4 4 PHE A 234 HIS A 245 1 12 SHEET 1 A 8 ALA A 20 PRO A 21 0 SHEET 2 A 8 MET A 156 ILE A 163 -1 O CYS A 157 N ALA A 20 SHEET 3 A 8 MET A 180 GLY A 184 -1 O CYS A 182 N ILE A 163 SHEET 4 A 8 GLY A 226 GLN A 230 -1 O TYR A 228 N LEU A 181 SHEET 5 A 8 THR A 208 TRP A 215 -1 N TRP A 215 O VAL A 227 SHEET 6 A 8 PRO A 198 CYS A 201 -1 N CYS A 201 O THR A 208 SHEET 7 A 8 THR A 135 GLY A 140 -1 N THR A 137 O VAL A 200 SHEET 8 A 8 MET A 156 ILE A 163 -1 O VAL A 160 N CYS A 136 SHEET 1 B 7 GLN A 79 ALA A 83 0 SHEET 2 B 7 TYR A 63 LEU A 67 -1 N VAL A 65 O ILE A 81 SHEET 3 B 7 GLN A 30 SER A 35 -1 N LEU A 34 O THR A 64 SHEET 4 B 7 GLN A 39 ASN A 48 -1 O CYS A 42 N LEU A 33 SHEET 5 B 7 TRP A 51 THR A 54 -1 O LEU A 53 N VAL A 45 SHEET 6 B 7 MET A 104 LYS A 107 -1 O VAL A 106 N VAL A 52 SHEET 7 B 7 LYS A 87 ARG A 90 -1 N PHE A 89 O LEU A 105 SSBOND 1 CYS A 22 CYS A 157 1555 1555 2.03 SSBOND 2 CYS A 42 CYS A 58 1555 1555 2.03 SSBOND 3 CYS A 128 CYS A 232 1555 1555 2.03 SSBOND 4 CYS A 136 CYS A 201 1555 1555 2.02 SSBOND 5 CYS A 168 CYS A 182 1555 1555 2.05 SSBOND 6 CYS A 191 CYS A 220 1555 1555 2.02 LINK NE2 HIS A 57 CAS K7J A 300 1555 1555 1.50 LINK OG SER A 195 CAR K7J A 300 1555 1555 1.40 CISPEP 1 SER A 146 PRO A 147 0 3.91 CISPEP 2 PHE A 218 PRO A 219 0 -4.16 SITE 1 AC1 18 HIS A 57 ALA A 190 CYS A 191 ASN A 192 SITE 2 AC1 18 GLY A 193 SER A 195 SER A 214 TRP A 215 SITE 3 AC1 18 GLY A 216 THR A 217 PHE A 218 CYS A 220 SITE 4 AC1 18 GLN A 221 HOH A 627 HOH A 653 HOH A 692 SITE 5 AC1 18 HOH A 700 HOH A 722 CRYST1 38.254 56.953 45.533 90.00 101.37 90.00 P 1 21 1 2 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 0.026141 0.000000 0.005257 0.00000 SCALE2 0.000000 0.017558 0.000000 0.00000 SCALE3 0.000000 0.000000 0.022402 0.00000