HEADER SERINE PROTEASE INHIBITOR 16-APR-97 1SKZ TITLE PROTEASE INHIBITOR COMPND MOL_ID: 1; COMPND 2 MOLECULE: ANTISTASIN; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: FACTOR XA INHIBITOR; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HAEMENTERIA OFFICINALIS; SOURCE 3 ORGANISM_COMMON: MEXICAN LEECH; SOURCE 4 ORGANISM_TAXID: 6410; SOURCE 5 ORGAN: BLOOD; SOURCE 6 EXPRESSION_SYSTEM: CRICETULUS GRISEUS; SOURCE 7 EXPRESSION_SYSTEM_COMMON: CHINESE HAMSTER; SOURCE 8 EXPRESSION_SYSTEM_TAXID: 10029; SOURCE 9 EXPRESSION_SYSTEM_VECTOR: PKCRE KEYWDS ANTISTASIN, CRYSTAL STRUCTURE, FACTOR XA INHIBITOR, SERINE KEYWDS 2 PROTEASE INHIBITOR, THROMBOSIS EXPDTA X-RAY DIFFRACTION AUTHOR U.KRENGEL,B.W.DIJKSTRA REVDAT 2 24-FEB-09 1SKZ 1 VERSN REVDAT 1 22-OCT-97 1SKZ 0 JRNL AUTH R.LAPATTO,U.KRENGEL,H.A.SCHREUDER,A.ARKEMA, JRNL AUTH 2 B.DE BOER,K.H.KALK,W.G.HOL,P.D.GROOTENHUIS, JRNL AUTH 3 J.W.MULDERS,R.DIJKEMA,H.J.THEUNISSEN,B.W.DIJKSTRA JRNL TITL X-RAY STRUCTURE OF ANTISTASIN AT 1.9 A RESOLUTION JRNL TITL 2 AND ITS MODELLED COMPLEX WITH BLOOD COAGULATION JRNL TITL 3 FACTOR XA. JRNL REF EMBO J. V. 16 5151 1997 JRNL REFN ISSN 0261-4189 JRNL PMID 9311976 JRNL DOI 10.1093/EMBOJ/16.17.5151 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH U.KRENGEL,R.LAPATTO,B.W.DIJKSTRA REMARK 1 TITL REFINED X-RAY STRUCTURE OF ANTISTASIN AT 1.9 A REMARK 1 TITL 2 RESOLUTION REMARK 1 REF HASYLAB JAHRESBERICHT 331 1996 REMARK 1 REFN REMARK 1 REFERENCE 2 REMARK 1 AUTH H.SCHREUDER,A.ARKEMA,B.DE BOER,K.KALK,R.DIJKEMA, REMARK 1 AUTH 2 J.MULDERS,H.THEUNISSEN,W.HOL REMARK 1 TITL CRYSTALLIZATION AND PRELIMINARY CRYSTALLOGRAPHIC REMARK 1 TITL 2 ANALYSIS OF ANTISTASIN, A LEECH-DERIVED INHIBITOR REMARK 1 TITL 3 OF BLOOD COAGULATION FACTOR XA REMARK 1 REF J.MOL.BIOL. V. 231 1137 1993 REMARK 1 REFN ISSN 0022-2836 REMARK 2 REMARK 2 RESOLUTION. 1.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.843 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 5.00 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) (%) : 94.0 REMARK 3 NUMBER OF REFLECTIONS : 9103 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING SET) : 0.217 REMARK 3 FREE R VALUE : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.000 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 : 8 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.90 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.98 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 92.00 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1083 REMARK 3 BIN R VALUE (WORKING SET) : 0.3230 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 : 790 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 1 REMARK 3 SOLVENT ATOMS : 88 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 26.00 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) : 0.28 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) : 0.015 REMARK 3 BOND ANGLES (DEGREES) : 1.49 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 26.60 REMARK 3 IMPROPER ANGLES (DEGREES) : 2.50 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) : 2.000 ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : 3.300 ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : 2.000 ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : 3.300 ; 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 : PARHCSDX.PRO REMARK 3 PARAMETER FILE 2 : PARAM19.WAT REMARK 3 PARAMETER FILE 3 : PARAM.CL REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : TOPHCSDX.PRO REMARK 3 TOPOLOGY FILE 2 : TOPH19.WAT REMARK 3 TOPOLOGY FILE 3 : TOPH.CL REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: DURING THE REFINEMENT, 10% OF THE REMARK 3 REFLECTIONS WERE SET ASIDE TO CALCULATE THE FREE R-FACTOR. THE REMARK 3 LAST ROUND OF REFINEMENT, WHICH RESULTED IN AN R-FACTOR 0.215 REMARK 3 AND A FREE R-FACTOR OF 0.274, WAS THEN REPEATED WITH ALL THE REMARK 3 REFLECTIONS FOR THE FINAL RESULTS. REMARK 4 REMARK 4 1SKZ 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 : SEP-96 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.0 REMARK 200 NUMBER OF CRYSTALS USED : 2 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : EMBL/DESY, HAMBURG REMARK 200 BEAMLINE : BW7A REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.99 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : XSCALE REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 10300 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 REMARK 200 RESOLUTION RANGE LOW (A) : 9.900 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 95.0 REMARK 200 DATA REDUNDANCY : 9.700 REMARK 200 R MERGE (I) : 0.08000 REMARK 200 R SYM (I) : 0.38000 REMARK 200 FOR THE DATA SET : 173.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.90 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.00 REMARK 200 COMPLETENESS FOR SHELL (%) : 92.0 REMARK 200 DATA REDUNDANCY IN SHELL : 8.20 REMARK 200 R MERGE FOR SHELL (I) : 0.07100 REMARK 200 R SYM FOR SHELL (I) : 0.07100 REMARK 200 FOR SHELL : 110.000 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MIR REMARK 200 SOFTWARE USED: X-PLOR 3.843 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: THE FINAL HIGH RESOLUTION DATA SET WAS OBTAINED BY REMARK 200 SCALING 3 PARTIAL DATA SETS, ONE FROM DESY (TO 1.9 A) AND TWO REMARK 200 DATA SETS COLLECTED IN HOUSE (BOTH TO 2.5 A). REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 41.80 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.10 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: EQUILIBRATION AGAINST 100 MM NA REMARK 280 CITRATE (PH6.0), 1MM PMSF, 10 MM NA AZIDE, 31% (W/V) AMMONIUM REMARK 280 SULFATE, 2.75 M NA CHLORIDE IN HANGING DROPS. FOR CRYO REMARK 280 EXPERIMENTS TRANSFER TO 100 MM NA CITRATE (PH6.0), 30% (W/V) REMARK 280 AMMONIUM SULFATE, 2.2 M NA CHLORIDE, 20% GLYCEROL, AFTER REMARK 280 PREEQUILIBRATION AGAINST THIS SOLUTION., VAPOR DIFFUSION - REMARK 280 HANGING DROP REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 4 2 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z REMARK 290 3555 -Y,X,Z REMARK 290 4555 Y,-X,Z REMARK 290 5555 -X,Y,-Z REMARK 290 6555 X,-Y,-Z REMARK 290 7555 Y,X,-Z REMARK 290 8555 -Y,-X,-Z REMARK 290 9555 X+1/2,Y+1/2,Z+1/2 REMARK 290 10555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 11555 -Y+1/2,X+1/2,Z+1/2 REMARK 290 12555 Y+1/2,-X+1/2,Z+1/2 REMARK 290 13555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 14555 X+1/2,-Y+1/2,-Z+1/2 REMARK 290 15555 Y+1/2,X+1/2,-Z+1/2 REMARK 290 16555 -Y+1/2,-X+1/2,-Z+1/2 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 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 -1.000000 0.000000 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 0.00000 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 9 1.000000 0.000000 0.000000 38.25000 REMARK 290 SMTRY2 9 0.000000 1.000000 0.000000 38.25000 REMARK 290 SMTRY3 9 0.000000 0.000000 1.000000 43.30000 REMARK 290 SMTRY1 10 -1.000000 0.000000 0.000000 38.25000 REMARK 290 SMTRY2 10 0.000000 -1.000000 0.000000 38.25000 REMARK 290 SMTRY3 10 0.000000 0.000000 1.000000 43.30000 REMARK 290 SMTRY1 11 0.000000 -1.000000 0.000000 38.25000 REMARK 290 SMTRY2 11 1.000000 0.000000 0.000000 38.25000 REMARK 290 SMTRY3 11 0.000000 0.000000 1.000000 43.30000 REMARK 290 SMTRY1 12 0.000000 1.000000 0.000000 38.25000 REMARK 290 SMTRY2 12 -1.000000 0.000000 0.000000 38.25000 REMARK 290 SMTRY3 12 0.000000 0.000000 1.000000 43.30000 REMARK 290 SMTRY1 13 -1.000000 0.000000 0.000000 38.25000 REMARK 290 SMTRY2 13 0.000000 1.000000 0.000000 38.25000 REMARK 290 SMTRY3 13 0.000000 0.000000 -1.000000 43.30000 REMARK 290 SMTRY1 14 1.000000 0.000000 0.000000 38.25000 REMARK 290 SMTRY2 14 0.000000 -1.000000 0.000000 38.25000 REMARK 290 SMTRY3 14 0.000000 0.000000 -1.000000 43.30000 REMARK 290 SMTRY1 15 0.000000 1.000000 0.000000 38.25000 REMARK 290 SMTRY2 15 1.000000 0.000000 0.000000 38.25000 REMARK 290 SMTRY3 15 0.000000 0.000000 -1.000000 43.30000 REMARK 290 SMTRY1 16 0.000000 -1.000000 0.000000 38.25000 REMARK 290 SMTRY2 16 -1.000000 0.000000 0.000000 38.25000 REMARK 290 SMTRY3 16 0.000000 0.000000 -1.000000 43.30000 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 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 BIOMT1 2 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 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 GLU A 1 REMARK 465 ASP A 2 REMARK 465 PRO A 3 REMARK 465 PHE A 4 REMARK 465 GLY A 5 REMARK 465 PRO A 6 REMARK 465 LYS A 111 REMARK 465 ARG A 112 REMARK 465 LYS A 113 REMARK 465 LEU A 114 REMARK 465 ILE A 115 REMARK 465 PRO A 116 REMARK 465 ARG A 117 REMARK 465 LEU A 118 REMARK 465 SER A 119 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 GLU A 10 -61.54 -107.14 REMARK 500 ARG A 32 39.00 -93.36 REMARK 500 ASN A 87 70.00 33.26 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 ARG A 32 0.09 SIDE_CHAIN REMARK 500 ARG A 45 0.10 SIDE_CHAIN REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH A 332 DISTANCE = 6.30 ANGSTROMS REMARK 525 HOH A 362 DISTANCE = 5.78 ANGSTROMS REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL A 201 DBREF 1SKZ A 1 119 UNP P15358 ANTA_HAEOF 1 119 SEQRES 1 A 119 GLU ASP PRO PHE GLY PRO GLY CYS GLU GLU ALA GLY CYS SEQRES 2 A 119 PRO GLU GLY SER ALA CYS ASN ILE ILE THR ASP ARG CYS SEQRES 3 A 119 THR CYS SER GLY VAL ARG CYS ARG VAL HIS CYS PRO HIS SEQRES 4 A 119 GLY PHE GLN ARG SER ARG TYR GLY CYS GLU PHE CYS LYS SEQRES 5 A 119 CYS ARG LEU GLU PRO MET LYS ALA THR CYS ASP ILE SER SEQRES 6 A 119 GLU CYS PRO GLU GLY MET MET CYS SER ARG LEU THR ASN SEQRES 7 A 119 LYS CYS ASP CYS LYS ILE ASP ILE ASN CYS ARG LYS THR SEQRES 8 A 119 CYS PRO ASN GLY LEU LYS ARG ASP LYS LEU GLY CYS GLU SEQRES 9 A 119 TYR CYS GLU CYS ARG PRO LYS ARG LYS LEU ILE PRO ARG SEQRES 10 A 119 LEU SER HET CL A 201 1 HETNAM CL CHLORIDE ION FORMUL 2 CL CL 1- FORMUL 3 HOH *88(H2 O) HELIX 1 1 CYS A 8 ALA A 11 1 4 SHEET 1 A 2 PHE A 41 ARG A 43 0 SHEET 2 A 2 GLU A 49 CYS A 53 -1 N PHE A 50 O GLN A 42 SHEET 1 B 2 MET A 71 MET A 72 0 SHEET 2 B 2 CYS A 82 LYS A 83 -1 O CYS A 82 N MET A 72 SHEET 1 C 2 LEU A 96 ARG A 98 0 SHEET 2 C 2 GLU A 104 CYS A 108 -1 N TYR A 105 O LYS A 97 SSBOND 1 CYS A 8 CYS A 19 1555 1555 2.04 SSBOND 2 CYS A 13 CYS A 26 1555 1555 2.02 SSBOND 3 CYS A 28 CYS A 48 1555 1555 2.03 SSBOND 4 CYS A 33 CYS A 51 1555 1555 2.04 SSBOND 5 CYS A 37 CYS A 53 1555 1555 2.04 SSBOND 6 CYS A 62 CYS A 73 1555 1555 2.03 SSBOND 7 CYS A 67 CYS A 80 1555 1555 2.02 SSBOND 8 CYS A 82 CYS A 103 1555 1555 2.05 SSBOND 9 CYS A 88 CYS A 106 1555 1555 2.04 SSBOND 10 CYS A 92 CYS A 108 1555 1555 2.03 SITE 1 AC1 4 ARG A 45 LYS A 52 CYS A 53 LYS A 100 CRYST1 76.500 76.500 86.600 90.00 90.00 90.00 I 4 2 2 16 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 0.013072 0.000000 0.000000 0.00000 SCALE2 0.000000 0.013072 0.000000 0.00000 SCALE3 0.000000 0.000000 0.011547 0.00000