HEADER HYDROLASE 11-AUG-07 2QXG TITLE CRYSTAL STRUCTURE OF HUMAN KALLIKREIN 7 IN COMPLEX WITH ALA-ALA-PHE- TITLE 2 CHLOROMETHYLKETONE COMPND MOL_ID: 1; COMPND 2 MOLECULE: KALLIKREIN-7; COMPND 3 CHAIN: A, B; 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: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: M15[PREP4]; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID KEYWDS DIMER, 37 LOOP, ACTIVE SITE INHIBITOR, CHLOROMETHYL KETONE, KEYWDS 2 ALTERNATIVE SPLICING, GLYCOPROTEIN, HYDROLASE, PROTEASE, SECRETED, KEYWDS 3 SERINE PROTEASE, ZYMOGEN EXPDTA X-RAY DIFFRACTION AUTHOR M.DEBELA,P.HESS,V.MAGDOLEN,W.BODE,T.STEINER,P.GOETTIG REVDAT 3 30-AUG-23 2QXG 1 REMARK LINK REVDAT 2 24-FEB-09 2QXG 1 VERSN REVDAT 1 08-JAN-08 2QXG 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. 2.60 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) : 2.60 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 19.92 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 891523.600 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 88.5 REMARK 3 NUMBER OF REFLECTIONS : 12597 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) : 0.266 REMARK 3 FREE R VALUE : 0.292 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 642 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.012 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.60 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.76 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 84.40 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1874 REMARK 3 BIN R VALUE (WORKING SET) : 0.3530 REMARK 3 BIN FREE R VALUE : 0.3600 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.10 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 101 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.036 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3412 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 44 REMARK 3 SOLVENT ATOMS : 228 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 23.60 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 26.10 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 7.90000 REMARK 3 B22 (A**2) : -7.51000 REMARK 3 B33 (A**2) : -0.40000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 5.20000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.40 REMARK 3 ESD FROM SIGMAA (A) : 0.42 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) : 0.47 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.43 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.004 REMARK 3 BOND ANGLES (DEGREES) : 1.200 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 25.80 REMARK 3 IMPROPER ANGLES (DEGREES) : 2.650 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) : 1.200 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.060 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 1.700 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 2.560 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.30 REMARK 3 BSOL : 47.50 REMARK 3 REMARK 3 NCS MODEL : CONSTR 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 : DRG_PATCH.PAR REMARK 3 PARAMETER FILE 5 : CARBOHYDRATE.PARAM REMARK 3 PARAMETER FILE 6 : 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 : DRG_PATCH.TOP REMARK 3 TOPOLOGY FILE 5 : CARBOHYDRATE.TOP REMARK 3 TOPOLOGY FILE 6 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2QXG COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 12-NOV-07. REMARK 100 THE DEPOSITION ID IS D_1000044166. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 03-FEB-05 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.0 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 : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 14065 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.500 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 91.6 REMARK 200 DATA REDUNDANCY : 2.700 REMARK 200 R MERGE (I) : 0.09500 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 15.4000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.50 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.59 REMARK 200 COMPLETENESS FOR SHELL (%) : 89.0 REMARK 200 DATA REDUNDANCY IN SHELL : 2.50 REMARK 200 R MERGE FOR SHELL (I) : 0.33300 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 4.200 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 (%): 47.39 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.34 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 25% PEG 3350, 2.5 M LITHIUM SULFATE, REMARK 280 0.1 M BIS-TRIS, PH 6.0, 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 21.35400 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 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 350 REMARK 350 BIOMOLECULE: 2 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: B 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 GLU A 62 CD OE1 OE2 REMARK 480 ARG A 82 CG CD NE CZ NH1 NH2 REMARK 480 LYS A 87 CE NZ REMARK 480 ARG A 127 CB CG CD NE CZ NH1 NH2 REMARK 480 GLN A 166 CG CD OE1 NE2 REMARK 480 LYS A 173 CE NZ REMARK 480 ARG A 202 CD NE CZ NH1 NH2 REMARK 480 GLN A 221 CB CG CD OE1 NE2 REMARK 480 LYS A 243 CG CD CE NZ REMARK 480 LYS A 244 CG CD CE NZ REMARK 480 ARG A 246 CB CG CD NE CZ NH1 NH2 REMARK 480 LYS B 59 CD CE NZ REMARK 480 LYS B 84 CG CD CE NZ REMARK 480 LYS B 87 CG CD CE NZ REMARK 480 LYS B 119 CE NZ REMARK 480 ARG B 127 CG CD NE CZ NH1 NH2 REMARK 480 ASP B 174 CB CG OD1 OD2 REMARK 480 GLU B 177 CD OE1 OE2 REMARK 480 ASN B 178 CB CG OD1 ND2 REMARK 480 ARG B 202 CB CD NE CZ NH1 NH2 REMARK 480 LYS B 243 CG CD CE NZ REMARK 480 LYS B 244 CG CD CE NZ REMARK 480 ARG B 246 CB CG CD NE CZ NH1 NH2 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 246 CD - NE - CZ ANGL. DEV. = 8.6 DEGREES REMARK 500 ARG A 246 NE - CZ - NH1 ANGL. DEV. = 6.1 DEGREES REMARK 500 ARG A 246 NE - CZ - NH2 ANGL. DEV. = -6.4 DEGREES REMARK 500 ARG B 246 CD - NE - CZ ANGL. DEV. = 8.4 DEGREES REMARK 500 ARG B 246 NE - CZ - NH1 ANGL. DEV. = -6.3 DEGREES REMARK 500 ARG B 246 NE - CZ - NH2 ANGL. DEV. = 6.1 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 ASN A 38 13.31 -141.58 REMARK 500 THR A 54 -169.17 -169.01 REMARK 500 SER A 70 137.83 176.88 REMARK 500 SER A 115 -155.83 -151.22 REMARK 500 SER A 146 140.17 -178.41 REMARK 500 LYS A 173 -127.57 53.88 REMARK 500 LEU A 175 24.63 -68.12 REMARK 500 ASN A 178 -17.49 -48.93 REMARK 500 ASN A 189 -175.04 -172.84 REMARK 500 SER A 214 -64.22 -131.42 REMARK 500 CYS A 232 7.59 -64.28 REMARK 500 ASN B 38 13.40 -141.64 REMARK 500 THR B 54 -169.17 -169.04 REMARK 500 SER B 70 137.88 176.83 REMARK 500 SER B 115 -155.84 -151.32 REMARK 500 SER B 146 140.16 -178.43 REMARK 500 LYS B 173 -127.55 54.05 REMARK 500 LEU B 175 24.60 -68.12 REMARK 500 ASN B 178 -17.54 -48.85 REMARK 500 ASN B 189 -175.06 -172.78 REMARK 500 SER B 214 -64.15 -131.51 REMARK 500 CYS B 232 7.57 -64.27 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 K7I A 300 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K7I B 301 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2QXH RELATED DB: PDB REMARK 900 RELATED ID: 2QXI RELATED DB: PDB REMARK 900 RELATED ID: 2QXJ RELATED DB: PDB DBREF 2QXG A 16 246 UNP P49862 KLK7_HUMAN 30 253 DBREF 2QXG B 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 SEQRES 1 B 224 ILE ILE ASP GLY ALA PRO CYS ALA ARG GLY SER HIS PRO SEQRES 2 B 224 TRP GLN VAL ALA LEU LEU SER GLY ASN GLN LEU HIS CYS SEQRES 3 B 224 GLY GLY VAL LEU VAL ASN GLU ARG TRP VAL LEU THR ALA SEQRES 4 B 224 ALA HIS CYS LYS MET ASN GLU TYR THR VAL HIS LEU GLY SEQRES 5 B 224 SER ASP THR LEU GLY ASP ARG ARG ALA GLN ARG ILE LYS SEQRES 6 B 224 ALA SER LYS SER PHE ARG HIS PRO GLY TYR SER THR GLN SEQRES 7 B 224 THR HIS VAL ASN ASP LEU MET LEU VAL LYS LEU ASN SER SEQRES 8 B 224 GLN ALA ARG LEU SER SER MET VAL LYS LYS VAL ARG LEU SEQRES 9 B 224 PRO SER ARG CYS GLU PRO PRO GLY THR THR CYS THR VAL SEQRES 10 B 224 SER GLY TRP GLY THR THR THR SER PRO ASP VAL THR PHE SEQRES 11 B 224 PRO SER ASP LEU MET CYS VAL ASP VAL LYS LEU ILE SER SEQRES 12 B 224 PRO GLN ASP CYS THR LYS VAL TYR LYS ASP LEU LEU GLU SEQRES 13 B 224 ASN SER MET LEU CYS ALA GLY ILE PRO ASP SER LYS LYS SEQRES 14 B 224 ASN ALA CYS ASN GLY ASP SER GLY GLY PRO LEU VAL CYS SEQRES 15 B 224 ARG GLY THR LEU GLN GLY LEU VAL SER TRP GLY THR PHE SEQRES 16 B 224 PRO CYS GLY GLN PRO ASN ASP PRO GLY VAL TYR THR GLN SEQRES 17 B 224 VAL CYS LYS PHE THR LYS TRP ILE ASN ASP THR MET LYS SEQRES 18 B 224 LYS HIS ARG HET K7I A 300 22 HET K7I B 301 22 HETNAM K7I L-ALANYL-N-[(1S,2R)-1-BENZYL-2-HYDROXYPROPYL]-L- HETNAM 2 K7I ALANINAMIDE HETSYN K7I ALA-ALA-PHE-CHLOROMETHYL KETONE FORMUL 3 K7I 2(C16 H25 N3 O3) FORMUL 5 HOH *228(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 HELIX 5 5 ALA B 55 LYS B 59 5 5 HELIX 6 6 SER B 164 LYS B 173 1 10 HELIX 7 7 ASP B 174 LEU B 176 5 3 HELIX 8 8 PHE B 234 HIS B 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 LEU A 199 O GLN A 210 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 30 SER A 35 0 SHEET 2 B 7 GLN A 39 ASN A 48 -1 O HIS A 41 N LEU A 33 SHEET 3 B 7 TRP A 51 THR A 54 -1 O LEU A 53 N VAL A 45 SHEET 4 B 7 MET A 104 LEU A 108 -1 O VAL A 106 N VAL A 52 SHEET 5 B 7 GLN A 81 ARG A 90 -1 N PHE A 89 O LEU A 105 SHEET 6 B 7 TYR A 63 LEU A 67 -1 N VAL A 65 O ILE A 83 SHEET 7 B 7 GLN A 30 SER A 35 -1 N ALA A 32 O HIS A 66 SHEET 1 C 8 ALA B 20 PRO B 21 0 SHEET 2 C 8 MET B 156 ILE B 163 -1 O CYS B 157 N ALA B 20 SHEET 3 C 8 MET B 180 GLY B 184 -1 O CYS B 182 N ILE B 163 SHEET 4 C 8 GLY B 226 GLN B 230 -1 O TYR B 228 N LEU B 181 SHEET 5 C 8 THR B 208 TRP B 215 -1 N TRP B 215 O VAL B 227 SHEET 6 C 8 PRO B 198 CYS B 201 -1 N LEU B 199 O GLN B 210 SHEET 7 C 8 THR B 135 GLY B 140 -1 N THR B 137 O VAL B 200 SHEET 8 C 8 MET B 156 ILE B 163 -1 O VAL B 160 N CYS B 136 SHEET 1 D 7 GLN B 30 SER B 35 0 SHEET 2 D 7 GLN B 39 ASN B 48 -1 O HIS B 41 N LEU B 33 SHEET 3 D 7 TRP B 51 THR B 54 -1 O LEU B 53 N VAL B 45 SHEET 4 D 7 MET B 104 LEU B 108 -1 O VAL B 106 N VAL B 52 SHEET 5 D 7 GLN B 81 ARG B 90 -1 N PHE B 89 O LEU B 105 SHEET 6 D 7 TYR B 63 LEU B 67 -1 N VAL B 65 O ILE B 83 SHEET 7 D 7 GLN B 30 SER B 35 -1 N ALA B 32 O HIS B 66 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 2.03 SSBOND 5 CYS A 168 CYS A 182 1555 1555 2.03 SSBOND 6 CYS A 191 CYS A 220 1555 1555 2.03 SSBOND 7 CYS B 22 CYS B 157 1555 1555 2.03 SSBOND 8 CYS B 42 CYS B 58 1555 1555 2.03 SSBOND 9 CYS B 128 CYS B 232 1555 1555 2.03 SSBOND 10 CYS B 136 CYS B 201 1555 1555 2.03 SSBOND 11 CYS B 168 CYS B 182 1555 1555 2.03 SSBOND 12 CYS B 191 CYS B 220 1555 1555 2.03 LINK NE2 HIS A 57 CAB K7I A 300 1555 1555 1.49 LINK OG SER A 195 CAT K7I A 300 1555 1555 1.43 LINK NE2 HIS B 57 CAB K7I B 301 1555 1555 1.49 LINK OG SER B 195 CAT K7I B 301 1555 1555 1.42 CISPEP 1 SER A 146 PRO A 147 0 0.18 CISPEP 2 PHE A 218 PRO A 219 0 -0.26 CISPEP 3 SER B 146 PRO B 147 0 0.05 CISPEP 4 PHE B 218 PRO B 219 0 0.35 SITE 1 AC1 12 HIS A 57 HIS A 99 CYS A 191 ASN A 192 SITE 2 AC1 12 GLY A 193 SER A 195 SER A 214 TRP A 215 SITE 3 AC1 12 GLY A 216 CYS A 220 HOH A 305 HOH A 349 SITE 1 AC2 12 HIS B 57 HIS B 99 CYS B 191 ASN B 192 SITE 2 AC2 12 GLY B 193 SER B 195 SER B 214 TRP B 215 SITE 3 AC2 12 GLY B 216 CYS B 220 HOH B 306 HOH B 405 CRYST1 66.603 42.708 84.882 90.00 108.53 90.00 P 1 21 1 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 0.015014 0.000000 0.005032 0.00000 SCALE2 0.000000 0.023415 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012425 0.00000