PDB Short entry for 1XKA HEADER BLOOD COAGULATION FACTOR 19-MAR-98 1XKA TITLE FACTOR XA COMPLEXED WITH A SYNTHETIC INHIBITOR FX-2212A,(2S)-(3'- TITLE 2 AMIDINO-3-BIPHENYLYL)-5-(4-PYRIDYLAMINO)PENTANOIC ACID COMPND MOL_ID: 1; COMPND 2 MOLECULE: BLOOD COAGULATION FACTOR XA; COMPND 3 CHAIN: L; COMPND 4 FRAGMENT: PROTEOLYTIC CLEAVAGE PRODUCT, GLA DOMAIN; COMPND 5 SYNONYM: STUART FACTOR; COMPND 6 EC: 3.4.21.6; COMPND 7 MOL_ID: 2; COMPND 8 MOLECULE: BLOOD COAGULATION FACTOR XA; COMPND 9 CHAIN: C; COMPND 10 FRAGMENT: PROTEOLYTIC CLEAVAGE PRODUCT, GLA DOMAIN; COMPND 11 SYNONYM: STUART FACTOR; COMPND 12 EC: 3.4.21.6 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 TISSUE: BLOOD; SOURCE 6 MOL_ID: 2; SOURCE 7 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 8 ORGANISM_COMMON: HUMAN; SOURCE 9 ORGANISM_TAXID: 9606; SOURCE 10 TISSUE: BLOOD KEYWDS BLOOD COAGULATION FACTOR, SERINE PROTEINASE, EPIDERMAL GROWTH FACTOR KEYWDS 2 LIKE DOMAIN EXPDTA X-RAY DIFFRACTION AUTHOR K.KAMATA,S.H.KIM REVDAT 4 09-AUG-23 1XKA 1 REMARK SEQADV LINK REVDAT 3 20-JUN-12 1XKA 1 HETNAM VERSN REVDAT 2 24-FEB-09 1XKA 1 VERSN REVDAT 1 23-MAR-99 1XKA 0 JRNL AUTH K.KAMATA,H.KAWAMOTO,T.HONMA,T.IWAMA,S.H.KIM JRNL TITL STRUCTURAL BASIS FOR CHEMICAL INHIBITION OF HUMAN BLOOD JRNL TITL 2 COAGULATION FACTOR XA. JRNL REF PROC.NATL.ACAD.SCI.USA V. 95 6630 1998 JRNL REFN ISSN 0027-8424 JRNL PMID 9618463 JRNL DOI 10.1073/PNAS.95.12.6630 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH H.BRANDSTETTER,A.KUHNE,W.BODE,R.HUBER,W.VON DER SAAL, REMARK 1 AUTH 2 K.WIRTHENSOHN,R.A.ENGH REMARK 1 TITL X-RAY STRUCTURE OF ACTIVE SITE-INHIBITED CLOTTING FACTOR XA. REMARK 1 TITL 2 IMPLICATIONS FOR DRUG DESIGN AND SUBSTRATE RECOGNITION REMARK 1 REF J.BIOL.CHEM. V. 271 29988 1996 REMARK 1 REFN ISSN 0021-9258 REMARK 1 REFERENCE 2 REMARK 1 AUTH K.PADMANABHAN,K.P.PADMANABHAN,A.TULINSKY,C.H.PARK,W.BODE, REMARK 1 AUTH 2 R.HUBER,D.T.BLANKENSHIP,A.D.CARDIN,W.KISIEL REMARK 1 TITL STRUCTURE OF HUMAN DES(1-45) FACTOR XA AT 2.2 A RESOLUTION REMARK 1 REF J.MOL.BIOL. V. 232 947 1993 REMARK 1 REFN ISSN 0022-2836 REMARK 2 REMARK 2 RESOLUTION. 2.30 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) : 2.30 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1000000.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0010 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 86.9 REMARK 3 NUMBER OF REFLECTIONS : 14081 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : 0.287 REMARK 3 R VALUE (WORKING SET) : 0.196 REMARK 3 FREE R VALUE : 0.287 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1410 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.008 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) : 2.30 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.40 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 95.20 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1532 REMARK 3 BIN R VALUE (WORKING SET) : 0.2530 REMARK 3 BIN FREE R VALUE : 0.3370 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 9.80 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 167 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.026 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2550 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 30 REMARK 3 SOLVENT ATOMS : 210 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 25.80 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 14.10 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) : 0.25 REMARK 3 ESD FROM SIGMAA (A) : 0.25 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) : 0.36 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.34 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.007 REMARK 3 BOND ANGLES (DEGREES) : 1.200 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 27.40 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.600 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) : 1.210 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.040 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 1.970 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 3.170 ; 2.500 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 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : NULL REMARK 3 PARAMETER FILE 3 : NULL REMARK 3 TOPOLOGY FILE 1 : TOPHCSDX.PRO REMARK 3 TOPOLOGY FILE 2 : TOPH19.SOL REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1XKA COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000177279. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 09-NOV-96 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X12B REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0086 REMARK 200 MONOCHROMATOR : SI(111) REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MAR SCANNER 300 MM PLATE REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 14542 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.300 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.2 REMARK 200 DATA REDUNDANCY : 3.100 REMARK 200 R MERGE (I) : 0.08500 REMARK 200 R SYM (I) : 0.08500 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 15.7000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.30 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.40 REMARK 200 COMPLETENESS FOR SHELL (%) : 95.2 REMARK 200 DATA REDUNDANCY IN SHELL : 3.00 REMARK 200 R MERGE FOR SHELL (I) : 0.13500 REMARK 200 R SYM FOR SHELL (I) : 0.13500 REMARK 200 <I/SIGMA(I)> FOR SHELL : 9.200 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: PDB ENTRY 1HCG REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 44.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.20 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PH 5.5 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 30.75000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 40.70000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 32.90000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 40.70000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 30.75000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 32.90000 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 2770 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 15670 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -18.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: L, C 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 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 LYS L 45 REMARK 465 ASP L 46 REMARK 465 GLY L 47 REMARK 465 ASP L 48 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 OE2 GLU L 82 O HOH C 582 2564 1.97 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 THR L 52 -7.95 -57.95 REMARK 500 LEU L 65 -118.53 -109.20 REMARK 500 LEU L 73 -139.27 -70.92 REMARK 500 ARG L 86 105.11 -44.16 REMARK 500 GLN L 98 -114.27 -135.19 REMARK 500 LYS L 122 -50.36 -130.38 REMARK 500 ASP C 24 121.64 -34.42 REMARK 500 PHE C 41 -4.31 -142.55 REMARK 500 SER C 48 -176.70 -174.51 REMARK 500 VAL C 213 109.70 -57.63 REMARK 500 SER C 214 -64.17 -100.98 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 C 501 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP C 70 OD1 REMARK 620 2 ASN C 72 O 69.0 REMARK 620 3 GLN C 75 O 141.4 78.3 REMARK 620 4 GLU C 77 OE2 71.2 79.8 83.6 REMARK 620 5 GLU C 80 OE2 97.0 138.6 94.1 58.8 REMARK 620 N 1 2 3 4 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA C 501 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 4PP C 500 DBREF 1XKA L 45 139 UNP P00742 FA10_HUMAN 85 179 DBREF 1XKA C 16 245 UNP P00742 FA10_HUMAN 235 469 SEQADV 1XKA BHD L 63 UNP P00742 ASP 103 MODIFIED RESIDUE SEQRES 1 L 95 LYS ASP GLY ASP GLN CYS GLU THR SER PRO CYS GLN ASN SEQRES 2 L 95 GLN GLY LYS CYS LYS BHD GLY LEU GLY GLU TYR THR CYS SEQRES 3 L 95 THR CYS LEU GLU GLY PHE GLU GLY LYS ASN CYS GLU LEU SEQRES 4 L 95 PHE THR ARG LYS LEU CYS SER LEU ASP ASN GLY ASP CYS SEQRES 5 L 95 ASP GLN PHE CYS HIS GLU GLU GLN ASN SER VAL VAL CYS SEQRES 6 L 95 SER CYS ALA ARG GLY TYR THR LEU ALA ASP ASN GLY LYS SEQRES 7 L 95 ALA CYS ILE PRO THR GLY PRO TYR PRO CYS GLY LYS GLN SEQRES 8 L 95 THR LEU GLU ARG SEQRES 1 C 235 ILE VAL GLY GLY GLN GLU CYS LYS ASP GLY GLU CYS PRO SEQRES 2 C 235 TRP GLN ALA LEU LEU ILE ASN GLU GLU ASN GLU GLY PHE SEQRES 3 C 235 CYS GLY GLY THR ILE LEU SER GLU PHE TYR ILE LEU THR SEQRES 4 C 235 ALA ALA HIS CYS LEU TYR GLN ALA LYS ARG PHE LYS VAL SEQRES 5 C 235 ARG VAL GLY ASP ARG ASN THR GLU GLN GLU GLU GLY GLY SEQRES 6 C 235 GLU ALA VAL HIS GLU VAL GLU VAL VAL ILE LYS HIS ASN SEQRES 7 C 235 ARG PHE THR LYS GLU THR TYR ASP PHE ASP ILE ALA VAL SEQRES 8 C 235 LEU ARG LEU LYS THR PRO ILE THR PHE ARG MET ASN VAL SEQRES 9 C 235 ALA PRO ALA CYS LEU PRO GLU ARG ASP TRP ALA GLU SER SEQRES 10 C 235 THR LEU MET THR GLN LYS THR GLY ILE VAL SER GLY PHE SEQRES 11 C 235 GLY ARG THR HIS GLU LYS GLY ARG GLN SER THR ARG LEU SEQRES 12 C 235 LYS MET LEU GLU VAL PRO TYR VAL ASP ARG ASN SER CYS SEQRES 13 C 235 LYS LEU SER SER SER PHE ILE ILE THR GLN ASN MET PHE SEQRES 14 C 235 CYS ALA GLY TYR ASP THR LYS GLN GLU ASP ALA CYS GLN SEQRES 15 C 235 GLY ASP SER GLY GLY PRO HIS VAL THR ARG PHE LYS ASP SEQRES 16 C 235 THR TYR PHE VAL THR GLY ILE VAL SER TRP GLY GLU GLY SEQRES 17 C 235 CYS ALA ARG LYS GLY LYS TYR GLY ILE TYR THR LYS VAL SEQRES 18 C 235 THR ALA PHE LEU LYS TRP ILE ASP ARG SER MET LYS THR SEQRES 19 C 235 ARG MODRES 1XKA BHD L 63 ASP (3S)-3-HYDROXY-L-ASPARTIC ACID HET BHD L 63 9 HET CA C 501 1 HET 4PP C 500 29 HETNAM BHD (3S)-3-HYDROXY-L-ASPARTIC ACID HETNAM CA CALCIUM ION HETNAM 4PP (2S)-(3'-AMIDINO-3-BIPHENYL)-5-(4-PYRIDYLAMINO) HETNAM 2 4PP PENTANOIC ACID HETSYN BHD BETA-HYDROXYASPARTIC ACID FORMUL 1 BHD C4 H7 N O5 FORMUL 3 CA CA 2+ FORMUL 4 4PP C23 H24 N4 O2 FORMUL 5 HOH *210(H2 O) HELIX 1 1 ASP L 92 ASP L 95 5 4 HELIX 2 2 ALA C 56 TYR C 60 5 5 HELIX 3 3 ARG C 125 THR C 131 1 7 HELIX 4 4 ARG C 165 SER C 171 1 7 HELIX 5 5 VAL C 231 ALA C 233 5 3 HELIX 6 6 LEU C 235 LYS C 243 1 9 SHEET 1 A 2 LYS L 60 LYS L 62 0 SHEET 2 A 2 THR L 69 THR L 71 -1 N THR L 71 O LYS L 60 SHEET 1 B 2 PHE L 99 GLU L 102 0 SHEET 2 B 2 VAL L 107 SER L 110 -1 N SER L 110 O PHE L 99 SHEET 1 C 2 TYR L 115 LEU L 117 0 SHEET 2 C 2 CYS L 124 PRO L 126 -1 N ILE L 125 O THR L 116 SHEET 1 D 4 ALA C 81 HIS C 83 0 SHEET 2 D 4 PHE C 64 VAL C 68 -1 N VAL C 68 O ALA C 81 SHEET 3 D 4 GLN C 30 ASN C 35 -1 N ILE C 34 O LYS C 65 SHEET 4 D 4 GLY C 40 THR C 45 -1 N GLY C 44 O ALA C 31 SHEET 1 E 3 TYR C 51 THR C 54 0 SHEET 2 E 3 ALA C 104 LEU C 108 -1 N LEU C 106 O ILE C 52 SHEET 3 E 3 VAL C 85 LYS C 90 -1 N ILE C 89 O VAL C 105 SHEET 1 F 2 THR C 135 GLY C 140 0 SHEET 2 F 2 LYS C 156 PRO C 161 -1 N VAL C 160 O GLY C 136 SHEET 1 G 4 MET C 180 ALA C 183 0 SHEET 2 G 4 GLY C 226 LYS C 230 -1 N TYR C 228 O PHE C 181 SHEET 3 G 4 THR C 206 TRP C 215 -1 N TRP C 215 O ILE C 227 SHEET 4 G 4 PRO C 198 PHE C 203 -1 N PHE C 203 O THR C 206 SSBOND 1 CYS L 50 CYS L 61 1555 1555 2.04 SSBOND 2 CYS L 55 CYS L 70 1555 1555 2.03 SSBOND 3 CYS L 72 CYS L 81 1555 1555 2.03 SSBOND 4 CYS L 89 CYS L 100 1555 1555 2.04 SSBOND 5 CYS L 96 CYS L 109 1555 1555 2.02 SSBOND 6 CYS L 111 CYS L 124 1555 1555 2.02 SSBOND 7 CYS L 132 CYS C 122 1555 1555 2.03 SSBOND 8 CYS C 22 CYS C 27 1555 1555 2.02 SSBOND 9 CYS C 42 CYS C 58 1555 1555 2.02 SSBOND 10 CYS C 168 CYS C 182 1555 1555 2.02 SSBOND 11 CYS C 191 CYS C 220 1555 1555 2.03 LINK C LYS L 62 N BHD L 63 1555 1555 1.33 LINK C BHD L 63 N GLY L 64 1555 1555 1.33 LINK OD1 ASP C 70 CA CA C 501 1555 1555 2.83 LINK O ASN C 72 CA CA C 501 1555 1555 2.66 LINK O GLN C 75 CA CA C 501 1555 1555 2.52 LINK OE2 GLU C 77 CA CA C 501 1555 1555 3.39 LINK OE2 GLU C 80 CA CA C 501 1555 1555 2.81 SITE 1 AC1 5 ASP C 70 ASN C 72 GLN C 75 GLU C 77 SITE 2 AC1 5 GLU C 80 SITE 1 AC2 20 GLU C 97 THR C 98 TYR C 99 PHE C 174 SITE 2 AC2 20 ASP C 189 ALA C 190 GLN C 192 SER C 195 SITE 3 AC2 20 TRP C 215 GLY C 216 GLY C 218 CYS C 220 SITE 4 AC2 20 GLY C 226 HOH C 517 HOH C 519 HOH C 578 SITE 5 AC2 20 HOH C 583 GLN L 56 LYS L 79 ASN L 80 CRYST1 61.500 65.800 81.400 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 0.016260 0.000000 0.000000 0.00000 SCALE2 0.000000 0.015198 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012285 0.00000