HEADER COAGULATION FACTOR 19-APR-99 1RFN TITLE HUMAN COAGULATION FACTOR IXA IN COMPLEX WITH P-AMINO BENZAMIDINE COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROTEIN (COAGULATION FACTOR IX); COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: FRAGMENT EGF2-CATALYTIC DOMAIN; COMPND 5 ENGINEERED: YES; COMPND 6 MOL_ID: 2; COMPND 7 MOLECULE: PROTEIN (COAGULATION FACTOR IX); COMPND 8 CHAIN: B; COMPND 9 FRAGMENT: FRAGMENT EGF2-CATALYTIC DOMAIN; COMPND 10 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: UT5600; SOURCE 8 MOL_ID: 2; SOURCE 9 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 10 ORGANISM_COMMON: HUMAN; SOURCE 11 ORGANISM_TAXID: 9606; SOURCE 12 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 13 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 14 EXPRESSION_SYSTEM_STRAIN: UT5600 KEYWDS SERINE PROTEINASE, BLOOD COAGULATION, COAGULATION FACTOR EXPDTA X-RAY DIFFRACTION AUTHOR K.-P.HOPFNER,A.LANG,A.KARCHER,K.SICHLER,E.KOPETZKI,H.BRANDSTETTER, AUTHOR 2 R.HUBER,W.BODE,R.A.ENGH REVDAT 4 27-DEC-23 1RFN 1 REMARK LINK REVDAT 3 24-FEB-09 1RFN 1 VERSN REVDAT 2 01-APR-03 1RFN 1 JRNL REVDAT 1 01-SEP-99 1RFN 0 JRNL AUTH K.P.HOPFNER,A.LANG,A.KARCHER,K.SICHLER,E.KOPETZKI, JRNL AUTH 2 H.BRANDSTETTER,R.HUBER,W.BODE,R.A.ENGH JRNL TITL COAGULATION FACTOR IXA: THE RELAXED CONFORMATION OF TYR99 JRNL TITL 2 BLOCKS SUBSTRATE BINDING. JRNL REF STRUCTURE FOLD.DES. V. 7 989 1999 JRNL REFN ISSN 0969-2126 JRNL PMID 10467148 JRNL DOI 10.1016/S0969-2126(99)80125-7 REMARK 2 REMARK 2 RESOLUTION. 2.80 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.8 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 25.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 92.7 REMARK 3 NUMBER OF REFLECTIONS : 9397 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) : 0.216 REMARK 3 FREE R VALUE : 0.273 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 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 : 2274 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 16 REMARK 3 SOLVENT ATOMS : 16 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) : 0.007 REMARK 3 BOND ANGLES (DEGREES) : 2.000 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL 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: NULL REMARK 4 REMARK 4 1RFN COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 20-APR-99. REMARK 100 THE DEPOSITION ID IS D_1000000881. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : 280.00 REMARK 200 PH : 8.00 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 : NULL REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 16348 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.800 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 (%) : 92.7 REMARK 200 DATA REDUNDANCY : 2.200 REMARK 200 R MERGE (I) : 0.07700 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: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 55.84 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.79 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PH 8.00 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 61 2 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 REMARK 290 4555 -X,-Y,Z+1/2 REMARK 290 5555 Y,-X+Y,Z+5/6 REMARK 290 6555 X-Y,X,Z+1/6 REMARK 290 7555 Y,X,-Z+1/3 REMARK 290 8555 X-Y,-Y,-Z REMARK 290 9555 -X,-X+Y,-Z+2/3 REMARK 290 10555 -Y,-X,-Z+5/6 REMARK 290 11555 -X+Y,Y,-Z+1/2 REMARK 290 12555 X,X-Y,-Z+1/6 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 50.53333 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 101.06667 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 75.80000 REMARK 290 SMTRY1 5 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 5 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 126.33333 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 25.26667 REMARK 290 SMTRY1 7 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 7 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 50.53333 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 9 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 9 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 9 0.000000 0.000000 -1.000000 101.06667 REMARK 290 SMTRY1 10 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 10 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 10 0.000000 0.000000 -1.000000 126.33333 REMARK 290 SMTRY1 11 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 11 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 11 0.000000 0.000000 -1.000000 75.80000 REMARK 290 SMTRY1 12 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 12 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 12 0.000000 0.000000 -1.000000 25.26667 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: 2040 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 14430 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -17.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, 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 60 CG CD OE1 OE2 REMARK 480 LYS A 82 CD CE NZ REMARK 480 LYS A 132 CD CE NZ REMARK 480 LYS A 173 CE NZ REMARK 480 ILE A 176 CD1 REMARK 480 LYS A 222 CG CD CE NZ REMARK 480 LYS B 91 CD CE NZ REMARK 480 ARG B 94 CZ NH1 NH2 REMARK 480 GLU B 119 CG CD OE1 OE2 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 71 -74.37 -132.44 REMARK 500 ARG A 87 142.07 -174.13 REMARK 500 HIS A 101 37.06 70.57 REMARK 500 ASP A 125 157.88 -48.66 REMARK 500 ASN A 178 2.40 -67.42 REMARK 500 SER A 214 -84.26 -107.15 REMARK 500 GLU A 219 -171.35 69.54 REMARK 500 CYS B 88 -8.88 -59.38 REMARK 500 ASN B 92 11.22 55.32 REMARK 500 GLN B 97 -80.04 -114.92 REMARK 500 ASN B 101 102.62 -165.02 REMARK 500 SER B 102 -83.59 -104.87 REMARK 500 ALA B 103 -99.56 -58.98 REMARK 500 ASN B 105 52.35 31.71 REMARK 500 VAL B 107 94.25 -67.72 REMARK 500 CYS B 111 -169.19 -118.81 REMARK 500 ALA B 118 -173.46 -67.16 REMARK 500 GLN B 121 4.68 56.17 REMARK 500 LYS B 122 -44.39 -130.71 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 CA A 500 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 70 OE2 REMARK 620 2 GLU A 70 OE1 42.6 REMARK 620 3 ASN A 72 O 84.4 74.9 REMARK 620 4 GLU A 75 O 119.8 151.3 81.5 REMARK 620 5 GLU A 77 OE1 137.9 97.5 99.0 102.1 REMARK 620 6 GLU A 80 OE2 103.1 92.3 151.9 116.0 57.3 REMARK 620 N 1 2 3 4 5 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 500 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PBZ A 501 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE TBU A 502 DBREF 1RFN A 16 245 UNP P00740 FA9_HUMAN 227 461 DBREF 1RFN B 87 142 UNP P00740 FA9_HUMAN 128 183 SEQRES 1 A 235 VAL VAL GLY GLY GLU ASP ALA LYS PRO GLY GLN PHE PRO SEQRES 2 A 235 TRP GLN VAL VAL LEU ASN GLY LYS VAL ASP ALA PHE CYS SEQRES 3 A 235 GLY GLY SER ILE VAL ASN GLU LYS TRP ILE VAL THR ALA SEQRES 4 A 235 ALA HIS CYS VAL GLU THR GLY VAL LYS ILE THR VAL VAL SEQRES 5 A 235 ALA GLY GLU HIS ASN ILE GLU GLU THR GLU HIS THR GLU SEQRES 6 A 235 GLN LYS ARG ASN VAL ILE ARG ILE ILE PRO HIS HIS ASN SEQRES 7 A 235 TYR ASN ALA ALA ILE ASN LYS TYR ASN HIS ASP ILE ALA SEQRES 8 A 235 LEU LEU GLU LEU ASP GLU PRO LEU VAL LEU ASN SER TYR SEQRES 9 A 235 VAL THR PRO ILE CYS ILE ALA ASP LYS GLU TYR THR ASN SEQRES 10 A 235 ILE PHE LEU LYS PHE GLY SER GLY TYR VAL SER GLY TRP SEQRES 11 A 235 GLY ARG VAL PHE HIS LYS GLY ARG SER ALA LEU VAL LEU SEQRES 12 A 235 GLN TYR LEU ARG VAL PRO LEU VAL ASP ARG ALA THR CYS SEQRES 13 A 235 LEU ARG SER THR LYS PHE THR ILE TYR ASN ASN MET PHE SEQRES 14 A 235 CYS ALA GLY PHE HIS GLU GLY GLY ARG ASP SER CYS GLN SEQRES 15 A 235 GLY ASP SER GLY GLY PRO HIS VAL THR GLU VAL GLU GLY SEQRES 16 A 235 THR SER PHE LEU THR GLY ILE ILE SER TRP GLY GLU GLU SEQRES 17 A 235 CYS ALA MET LYS GLY LYS TYR GLY ILE TYR THR LYS VAL SEQRES 18 A 235 SER ARG TYR VAL ASN TRP ILE LYS GLU LYS THR LYS LEU SEQRES 19 A 235 THR SEQRES 1 B 57 MET THR CYS ASN ILE LYS ASN GLY ARG CYS GLU GLN PHE SEQRES 2 B 57 CYS LYS ASN SER ALA ASP ASN LYS VAL VAL CYS SER CYS SEQRES 3 B 57 THR GLU GLY TYR ARG LEU ALA GLU ASN GLN LYS SER CYS SEQRES 4 B 57 GLU PRO ALA VAL PRO PHE PRO CYS GLY ARG VAL SER VAL SEQRES 5 B 57 SER GLN THR SER LYS HET CA A 500 1 HET PBZ A 501 10 HET TBU A 502 5 HETNAM CA CALCIUM ION HETNAM PBZ P-AMINO BENZAMIDINE HETNAM TBU TERTIARY-BUTYL ALCOHOL HETSYN TBU 2-METHYL-2-PROPANOL FORMUL 3 CA CA 2+ FORMUL 4 PBZ C7 H10 N3 1+ FORMUL 5 TBU C4 H10 O FORMUL 6 HOH *16(H2 O) HELIX 1 1 ALA A 56 CYS A 58 5 3 HELIX 2 2 LYS A 126 PHE A 133 1 10 HELIX 3 3 ARG A 165 SER A 171 1 7 HELIX 4 4 VAL A 231 ARG A 233 5 3 HELIX 5 5 VAL A 235 THR A 242 1 8 HELIX 6 6 ILE B 90 ARG B 94 5 5 SHEET 1 A 7 GLN A 81 ASN A 84 0 SHEET 2 A 7 THR A 65 ALA A 68 -1 N ALA A 68 O GLN A 81 SHEET 3 A 7 GLN A 30 ASN A 34 -1 N ASN A 34 O THR A 65 SHEET 4 A 7 CYS A 42 ASN A 48 -1 N GLY A 44 O VAL A 31 SHEET 5 A 7 TRP A 51 THR A 54 -1 N VAL A 53 O SER A 45 SHEET 6 A 7 ALA A 104 LEU A 108 -1 N LEU A 106 O ILE A 52 SHEET 7 A 7 VAL A 85 PRO A 90 -1 N ILE A 89 O LEU A 105 SHEET 1 B 2 SER A 135 GLY A 140 0 SHEET 2 B 2 GLN A 156 PRO A 161 -1 N VAL A 160 O GLY A 136 SHEET 1 C 4 MET A 180 ALA A 183 0 SHEET 2 C 4 GLY A 226 LYS A 230 -1 N TYR A 228 O PHE A 181 SHEET 3 C 4 SER A 207 GLY A 216 -1 N TRP A 215 O ILE A 227 SHEET 4 C 4 PRO A 198 GLU A 202 -1 N THR A 201 O PHE A 208 SHEET 1 D 2 PHE B 98 ASN B 101 0 SHEET 2 D 2 VAL B 107 SER B 110 -1 N SER B 110 O PHE B 98 SHEET 1 E 2 TYR B 115 LEU B 117 0 SHEET 2 E 2 CYS B 124 PRO B 126 -1 N GLU B 125 O ARG B 116 SSBOND 1 CYS A 42 CYS A 58 1555 1555 2.03 SSBOND 2 CYS A 122 CYS B 132 1555 1555 2.02 SSBOND 3 CYS A 168 CYS A 182 1555 1555 2.03 SSBOND 4 CYS A 191 CYS A 220 1555 1555 2.03 SSBOND 5 CYS B 88 CYS B 99 1555 1555 2.03 SSBOND 6 CYS B 95 CYS B 109 1555 1555 2.03 SSBOND 7 CYS B 111 CYS B 124 1555 1555 2.02 LINK OE2 GLU A 70 CA CA A 500 1555 1555 2.98 LINK OE1 GLU A 70 CA CA A 500 1555 1555 3.01 LINK O ASN A 72 CA CA A 500 1555 1555 2.39 LINK O GLU A 75 CA CA A 500 1555 1555 2.43 LINK OE1 GLU A 77 CA CA A 500 1555 1555 2.19 LINK OE2 GLU A 80 CA CA A 500 1555 1555 3.22 SITE 1 AC1 5 GLU A 70 ASN A 72 GLU A 75 GLU A 77 SITE 2 AC1 5 GLU A 80 SITE 1 AC2 9 ASP A 189 SER A 190 CYS A 191 GLN A 192 SITE 2 AC2 9 SER A 195 TRP A 215 GLY A 216 GLU A 219 SITE 3 AC2 9 GLY A 226 SITE 1 AC3 4 ARG A 143 SER A 151 GLN A 192 GLY A 193 CRYST1 90.900 90.900 151.600 90.00 90.00 120.00 P 61 2 2 12 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 0.011001 0.006351 0.000000 0.00000 SCALE2 0.000000 0.012703 0.000000 0.00000 SCALE3 0.000000 0.000000 0.006596 0.00000