HEADER BLOOD CLOTTING INHIBITOR 09-JUN-03 1PM1 TITLE CRYSTAL STRUCTURE OF NITROPHORIN 2 L122V/L132V MUTANT COMPLEX WITH TITLE 2 IMIDAZOLE COMPND MOL_ID: 1; COMPND 2 MOLECULE: NITROPHORIN 2; COMPND 3 CHAIN: X; COMPND 4 SYNONYM: NP2, PROLIXIN-S; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: RHODNIUS PROLIXUS; SOURCE 3 ORGANISM_TAXID: 13249; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 5 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: BL21DE3; SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PET17B KEYWDS BETA BARREL, LIPOCALIN, IMIDAZOLE, FERRIC HEME, BLOOD CLOTTING KEYWDS 2 INHIBITOR EXPDTA X-RAY DIFFRACTION AUTHOR A.WEICHSEL,W.R.MONTFORT REVDAT 6 30-OCT-24 1PM1 1 REMARK REVDAT 5 16-AUG-23 1PM1 1 REMARK REVDAT 4 27-OCT-21 1PM1 1 REMARK SEQADV LINK REVDAT 3 09-JUN-09 1PM1 1 HETATM REVDAT 2 24-FEB-09 1PM1 1 VERSN REVDAT 1 22-JUN-04 1PM1 0 JRNL AUTH A.WEICHSEL,W.R.MONTFORT JRNL TITL CONFORMATIONAL CHANGE AND HEME RUFFLING IN NITROPHORIN 2, A JRNL TITL 2 NITRIC OXIDE CARRIER FROM KISSING BUG JRNL REF TO BE PUBLISHED JRNL REFN REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH J.F.ANDERSEN,W.R.MONTFORT REMARK 1 TITL THE CRYSTAL STRUCTURE OF NITROPHORIN 2. A TRIFUNCTIONAL REMARK 1 TITL 2 ANTIHEMOSTATIC PROTEIN FROM THE SALIVA OF RHODNIUS PROLIXUS. REMARK 1 REF J.BIOL.CHEM. V. 275 30496 2000 REMARK 1 REFN ISSN 0021-9258 REMARK 1 DOI 10.1074/JBC.M002857200 REMARK 1 REFERENCE 2 REMARK 1 AUTH S.A.ROBERTS,A.WEICHSEL,Y.QUI,J.A.SHELNUTT,F.A.WALKER, REMARK 1 AUTH 2 W.R.MONTFORT REMARK 1 TITL LIGAND-INDUCED HEME RUFFLING AND BENT NO GEOMETRY IN REMARK 1 TITL 2 ULTRA-HIGH-RESOLUTION STRUCTURES OF NITROPHORIN 4 REMARK 1 REF BIOCHEMISTRY V. 40 11327 2001 REMARK 1 REFN ISSN 0006-2960 REMARK 1 DOI 10.1021/BI0109257 REMARK 2 REMARK 2 RESOLUTION. 1.10 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.1.22 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.10 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 28.64 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 89.9 REMARK 3 NUMBER OF REFLECTIONS : 58988 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 + TEST SET) : 0.155 REMARK 3 R VALUE (WORKING SET) : 0.154 REMARK 3 FREE R VALUE : 0.177 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 3164 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.10 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.13 REMARK 3 REFLECTION IN BIN (WORKING SET) : 3708 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 77.00 REMARK 3 BIN R VALUE (WORKING SET) : 0.2130 REMARK 3 BIN FREE R VALUE SET COUNT : 208 REMARK 3 BIN FREE R VALUE : 0.2310 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1409 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 48 REMARK 3 SOLVENT ATOMS : 243 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 8.40 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 10.56 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.56000 REMARK 3 B22 (A**2) : -0.43000 REMARK 3 B33 (A**2) : -0.13000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.035 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.035 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.024 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 0.491 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.971 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.963 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1502 ; 0.022 ; 0.021 REMARK 3 BOND LENGTHS OTHERS (A): 1281 ; 0.002 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 2041 ; 1.936 ; 2.052 REMARK 3 BOND ANGLES OTHERS (DEGREES): 3020 ; 2.021 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 179 ; 6.982 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): NULL ; NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 218 ; 0.157 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1648 ; 0.012 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 267 ; 0.001 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 268 ; 0.215 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): 1564 ; 0.266 ; 0.200 REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): 915 ; 0.103 ; 0.200 REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 160 ; 0.152 ; 0.200 REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): 15 ; 0.191 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): 64 ; 0.243 ; 0.200 REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 35 ; 0.191 ; 0.200 REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): 893 ; 1.871 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1440 ; 2.611 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 609 ; 3.184 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 601 ; 4.479 ; 4.500 REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): 1502 ; 1.945 ; 2.000 REMARK 3 SPHERICITY; FREE ATOMS (A**2): 244 ; 6.979 ; 2.000 REMARK 3 SPHERICITY; BONDED ATOMS (A**2): 1467 ; 4.297 ; 2.000 REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : BABINET MODEL WITH MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.40 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS REMARK 4 REMARK 4 1PM1 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 13-JUN-03. REMARK 100 THE DEPOSITION ID IS D_1000019416. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-APR-03 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 : APS REMARK 200 BEAMLINE : 14-BM-C REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9000 REMARK 200 MONOCHROMATOR : BENT GE(111) REMARK 200 OPTICS : BENT SI-MIRROR REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDISPLAYF REMARK 200 DATA SCALING SOFTWARE : D*TREK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 62884 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.100 REMARK 200 RESOLUTION RANGE LOW (A) : 28.700 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 91.0 REMARK 200 DATA REDUNDANCY : 3.800 REMARK 200 R MERGE (I) : 0.07700 REMARK 200 R SYM (I) : 0.08900 REMARK 200 FOR THE DATA SET : 9.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.10 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.14 REMARK 200 COMPLETENESS FOR SHELL (%) : 81.2 REMARK 200 DATA REDUNDANCY IN SHELL : 3.10 REMARK 200 R MERGE FOR SHELL (I) : 0.27000 REMARK 200 R SYM FOR SHELL (I) : 0.27000 REMARK 200 FOR SHELL : 1.000 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: PDB ENTRY 1EUO REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 40.95 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.08 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: SODIUM CITRATE, PH 6.5, VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 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 -X+1/2,Y+1/2,-Z 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 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 -1.000000 0.000000 0.000000 19.65500 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 62.73500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 19.65500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 62.73500 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: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: X 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 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 HOH X 238 LIES ON A SPECIAL POSITION. 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 GLN X 171 CG GLN X 171 CD -0.193 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 ASP X 13 CB - CG - OD2 ANGL. DEV. = 5.7 DEGREES REMARK 500 GLN X 171 CB - CG - CD ANGL. DEV. = 20.7 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 ASN X 5 49.97 -89.59 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 HEM X 180 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS X 57 NE2 REMARK 620 2 HEM X 180 NA 90.2 REMARK 620 3 HEM X 180 NB 91.3 89.3 REMARK 620 4 HEM X 180 NC 89.3 179.2 90.2 REMARK 620 5 HEM X 180 ND 88.4 89.7 178.9 90.8 REMARK 620 6 IMD X 181 N1 178.0 90.6 90.5 90.0 89.8 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 HEM X 180 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IMD X 181 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1PEE RELATED DB: PDB REMARK 900 THE IMIDAZOLE COMPLEX OF THE WILD-TYPE PROTEIN REMARK 900 RELATED ID: 1EUO RELATED DB: PDB REMARK 900 THE AMMONIA COMPLEX OF THE WILD-TYPE PROTEIN REMARK 900 RELATED ID: 1IKJ RELATED DB: PDB REMARK 900 THE IMIDAZOLE COMPLEX OF A CLOSELY RELATED PROTEIN DBREF 1PM1 X 1 179 UNP Q26241 NP2_RHOPR 24 202 SEQADV 1PM1 MET X 0 UNP Q26241 INITIATING METHIONINE SEQADV 1PM1 VAL X 122 UNP Q26241 LEU 145 ENGINEERED MUTATION SEQADV 1PM1 VAL X 132 UNP Q26241 LEU 155 ENGINEERED MUTATION SEQRES 1 X 180 MET ASP CYS SER THR ASN ILE SER PRO LYS GLN GLY LEU SEQRES 2 X 180 ASP LYS ALA LYS TYR PHE SER GLY LYS TRP TYR VAL THR SEQRES 3 X 180 HIS PHE LEU ASP LYS ASP PRO GLN VAL THR ASP GLN TYR SEQRES 4 X 180 CYS SER SER PHE THR PRO ARG GLU SER ASP GLY THR VAL SEQRES 5 X 180 LYS GLU ALA LEU TYR HIS TYR ASN ALA ASN LYS LYS THR SEQRES 6 X 180 SER PHE TYR ASN ILE GLY GLU GLY LYS LEU GLU SER SER SEQRES 7 X 180 GLY LEU GLN TYR THR ALA LYS TYR LYS THR VAL ASP LYS SEQRES 8 X 180 LYS LYS ALA VAL LEU LYS GLU ALA ASP GLU LYS ASN SER SEQRES 9 X 180 TYR THR LEU THR VAL LEU GLU ALA ASP ASP SER SER ALA SEQRES 10 X 180 LEU VAL HIS ILE CYS VAL ARG GLU GLY SER LYS ASP LEU SEQRES 11 X 180 GLY ASP VAL TYR THR VAL LEU THR HIS GLN LYS ASP ALA SEQRES 12 X 180 GLU PRO SER ALA LYS VAL LYS SER ALA VAL THR GLN ALA SEQRES 13 X 180 GLY LEU GLN LEU SER GLN PHE VAL GLY THR LYS ASP LEU SEQRES 14 X 180 GLY CYS GLN TYR ASP ASP GLN PHE THR SER LEU HET HEM X 180 43 HET IMD X 181 5 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETNAM IMD IMIDAZOLE HETSYN HEM HEME FORMUL 2 HEM C34 H32 FE N4 O4 FORMUL 3 IMD C3 H5 N2 1+ FORMUL 4 HOH *243(H2 O) HELIX 1 1 ASP X 13 PHE X 18 1 6 HELIX 2 2 SER X 145 ALA X 155 1 11 HELIX 3 3 GLN X 158 PHE X 162 5 5 HELIX 4 4 LYS X 166 LEU X 168 5 3 HELIX 5 5 ASP X 173 SER X 178 1 6 SHEET 1 A 7 VAL X 94 LYS X 96 0 SHEET 2 A 7 GLN X 80 VAL X 88 -1 N THR X 87 O LEU X 95 SHEET 3 A 7 THR X 64 LEU X 74 -1 N ILE X 69 O LYS X 86 SHEET 4 A 7 THR X 50 ASN X 59 -1 N VAL X 51 O GLY X 72 SHEET 5 A 7 TYR X 38 SER X 47 -1 N CYS X 39 O TYR X 58 SHEET 6 A 7 TRP X 22 LEU X 28 -1 N TRP X 22 O PHE X 42 SHEET 7 A 7 VAL X 163 GLY X 164 -1 O VAL X 163 N PHE X 27 SHEET 1 B 7 VAL X 94 LYS X 96 0 SHEET 2 B 7 GLN X 80 VAL X 88 -1 N THR X 87 O LEU X 95 SHEET 3 B 7 ASN X 102 ALA X 111 -1 O TYR X 104 N ALA X 83 SHEET 4 B 7 SER X 115 GLU X 124 -1 O ARG X 123 N SER X 103 SHEET 5 B 7 LYS X 127 THR X 137 -1 O LYS X 127 N GLU X 124 SHEET 6 B 7 TRP X 22 LEU X 28 -1 N HIS X 26 O VAL X 135 SHEET 7 B 7 VAL X 163 GLY X 164 -1 O VAL X 163 N PHE X 27 SSBOND 1 CYS X 2 CYS X 121 1555 1555 2.09 SSBOND 2 CYS X 39 CYS X 170 1555 1555 2.01 LINK NE2 HIS X 57 FE HEM X 180 1555 1555 2.02 LINK FE HEM X 180 N1 IMD X 181 1555 1555 2.03 SITE 1 AC1 19 PHE X 27 TYR X 38 SER X 40 GLU X 53 SITE 2 AC1 19 LEU X 55 HIS X 57 ASN X 68 TYR X 85 SITE 3 AC1 19 TYR X 104 LEU X 106 VAL X 122 LEU X 129 SITE 4 AC1 19 IMD X 181 HOH X 223 HOH X 291 HOH X 367 SITE 5 AC1 19 HOH X 391 HOH X 416 HOH X 433 SITE 1 AC2 5 ILE X 120 VAL X 122 GLY X 130 VAL X 132 SITE 2 AC2 5 HEM X 180 CRYST1 39.310 125.470 33.880 90.00 90.00 90.00 P 21 21 2 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 0.025439 0.000000 0.000000 0.00000 SCALE2 0.000000 0.007970 0.000000 0.00000 SCALE3 0.000000 0.000000 0.029516 0.00000