HEADER OXIDOREDUCTASE 01-OCT-08 3EQM TITLE CRYSTAL STRUCTURE OF HUMAN PLACENTAL AROMATASE CYTOCHROME P450 IN TITLE 2 COMPLEX WITH ANDROSTENEDIONE COMPND MOL_ID: 1; COMPND 2 MOLECULE: CYTOCHROME P450 19A1; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: AROMATASE, CYPXIX, ESTROGEN SYNTHETASE, P-450AROM; COMPND 5 EC: 1.14.14.1 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 ORGAN: PLACENTA KEYWDS HUMAN AROMATASE, CYTOCHROME P450, MEMBRANE PROTEIN, MICROSOMAL, KEYWDS 2 ESTROGEN, BIOSYNTHESIS OF STEROID HORMONE, DISEASE MUTATION, HEME, KEYWDS 3 IRON, METAL-BINDING, MONOOXYGENASE, OXIDOREDUCTASE, PHOSPHOPROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR D.GHOSH REVDAT 4 21-FEB-24 3EQM 1 REMARK REVDAT 3 21-MAR-12 3EQM 1 JRNL VERSN REVDAT 2 30-DEC-08 3EQM 1 JRNL REVDAT 1 23-DEC-08 3EQM 0 JRNL AUTH D.GHOSH,J.GRISWOLD,M.ERMAN,W.PANGBORN JRNL TITL STRUCTURAL BASIS FOR ANDROGEN SPECIFICITY AND OESTROGEN JRNL TITL 2 SYNTHESIS IN HUMAN AROMATASE. JRNL REF NATURE V. 457 219 2009 JRNL REFN ISSN 0028-0836 JRNL PMID 19129847 JRNL DOI 10.1038/NATURE07614 REMARK 2 REMARK 2 RESOLUTION. 2.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.2.0019 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) : 2.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 37.77 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.4 REMARK 3 NUMBER OF REFLECTIONS : 28808 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) : 0.215 REMARK 3 R VALUE (WORKING SET) : 0.214 REMARK 3 FREE R VALUE : 0.244 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1532 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) : 2.90 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.97 REMARK 3 REFLECTION IN BIN (WORKING SET) : 2106 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.51 REMARK 3 BIN R VALUE (WORKING SET) : 0.3150 REMARK 3 BIN FREE R VALUE SET COUNT : 128 REMARK 3 BIN FREE R VALUE : 0.3620 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3658 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 74 REMARK 3 SOLVENT ATOMS : 35 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 77.28 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 2.89000 REMARK 3 B22 (A**2) : 2.89000 REMARK 3 B33 (A**2) : -4.33000 REMARK 3 B12 (A**2) : 1.44000 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): 0.330 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.261 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.192 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 10.200 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.942 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.910 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 3819 ; 0.009 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 5168 ; 1.321 ; 2.016 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 451 ; 6.140 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 165 ;34.690 ;23.576 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 711 ;20.152 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 25 ;14.316 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 564 ; 0.102 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 2808 ; 0.003 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 1874 ; 0.219 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 2643 ; 0.311 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 122 ; 0.155 ; 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): 24 ; 0.220 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 4 ; 0.182 ; 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): 2291 ; 0.472 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 3659 ; 0.880 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 1693 ; 1.007 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 1507 ; 1.712 ; 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): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL 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 : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.20 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 3EQM COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 01-OCT-08. REMARK 100 THE DEPOSITION ID IS D_1000049653. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 28-NOV-07 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.4 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 19-ID REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.979 REMARK 200 MONOCHROMATOR : SI REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-3000 REMARK 200 DATA SCALING SOFTWARE : HKL-3000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 28808 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.897 REMARK 200 RESOLUTION RANGE LOW (A) : 121.270 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.5 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.90 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.97 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.6 REMARK 200 DATA REDUNDANCY IN SHELL : 6.10 REMARK 200 R MERGE FOR SHELL (I) : 0.06700 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 31.10 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 78.94 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 5.84 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: FRESHLY PURIFIED AROMATASE IN 100MM REMARK 280 POTASSIUM PHOSPHATE BUFFER, PH 7.4, CONTAINING 20% GLYCEROL, REMARK 280 0.1MM ANDROSTENEDIONE, AND 1MM N-DODECYL-D-MALTOPYRANOSIDE (BDM) REMARK 280 WAS MIXED WITH RESERVOIR COCKTAILS OF 24 TO 30% POLYETHYLENE REMARK 280 GLYCOL 4000 AND 0.5M NACL IN 0.05M TRIS-HCL BUFFER PH 8.5 AND REMARK 280 VAPOR DIFFUSED IN SEALED 24-WELL SITTING DROP PLATES AGAINST REMARK 280 CORRESPONDING RESERVOIR SOLUTION. THE PURIFICATION AND REMARK 280 CRYSTALLIZATION EXPERIMENTS WERE ALL CONDUCTED AT 4 C. REDDISH- REMARK 280 BROWN COLOR HEXAGONAL ROD-SHAPED CRYSTALS APPEARED IN 7-10 DAYS REMARK 280 AND CONTINUED TO GROW UP TO 14-16 DAYS, VAPOR DIFFUSION, REMARK 280 TEMPERATURE 277K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 32 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+2/3 REMARK 290 3555 -X+Y,-X,Z+1/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+1/3 REMARK 290 6555 -X,-X+Y,-Z+2/3 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 79.51067 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 39.75533 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 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 39.75533 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 79.51067 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 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 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 MET A 1 REMARK 465 VAL A 2 REMARK 465 LEU A 3 REMARK 465 GLU A 4 REMARK 465 MET A 5 REMARK 465 LEU A 6 REMARK 465 ASN A 7 REMARK 465 PRO A 8 REMARK 465 ILE A 9 REMARK 465 HIS A 10 REMARK 465 TYR A 11 REMARK 465 ASN A 12 REMARK 465 ILE A 13 REMARK 465 THR A 14 REMARK 465 SER A 15 REMARK 465 ILE A 16 REMARK 465 VAL A 17 REMARK 465 PRO A 18 REMARK 465 GLU A 19 REMARK 465 ALA A 20 REMARK 465 MET A 21 REMARK 465 PRO A 22 REMARK 465 ALA A 23 REMARK 465 ALA A 24 REMARK 465 THR A 25 REMARK 465 MET A 26 REMARK 465 PRO A 27 REMARK 465 VAL A 28 REMARK 465 LEU A 29 REMARK 465 LEU A 30 REMARK 465 LEU A 31 REMARK 465 THR A 32 REMARK 465 GLY A 33 REMARK 465 LEU A 34 REMARK 465 PHE A 35 REMARK 465 LEU A 36 REMARK 465 LEU A 37 REMARK 465 VAL A 38 REMARK 465 TRP A 39 REMARK 465 ASN A 40 REMARK 465 TYR A 41 REMARK 465 GLU A 42 REMARK 465 GLY A 43 REMARK 465 THR A 44 REMARK 465 SER A 497 REMARK 465 ASP A 498 REMARK 465 ARG A 499 REMARK 465 CYS A 500 REMARK 465 LEU A 501 REMARK 465 GLU A 502 REMARK 465 HIS A 503 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 LEU A 301 CA - CB - CG ANGL. DEV. = 16.4 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 SER A 46 169.09 63.07 REMARK 500 CYS A 53 54.37 -99.92 REMARK 500 SER A 90 -142.03 49.38 REMARK 500 SER A 113 49.08 -66.92 REMARK 500 ARG A 115 -167.92 -113.08 REMARK 500 LYS A 130 -43.50 -138.27 REMARK 500 VAL A 178 -1.19 -152.08 REMARK 500 LEU A 204 -44.60 -130.99 REMARK 500 ARG A 205 67.95 38.16 REMARK 500 TRP A 239 6.72 -69.00 REMARK 500 TYR A 241 -15.44 -142.79 REMARK 500 GLU A 270 57.63 -62.10 REMARK 500 LYS A 271 116.82 56.20 REMARK 500 CYS A 275 60.79 -162.01 REMARK 500 GLN A 367 78.76 -113.76 REMARK 500 HIS A 402 0.82 -69.58 REMARK 500 ASN A 421 121.01 -29.69 REMARK 500 TYR A 424 -17.38 75.76 REMARK 500 GLN A 464 -138.91 53.44 REMARK 500 ASP A 476 -103.50 -118.17 REMARK 500 PRO A 494 175.31 -56.55 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS REMARK 500 REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH REMARK 500 CIS AND TRANS CONFORMATION. CIS BONDS, IF ANY, ARE LISTED REMARK 500 ON CISPEP RECORDS. TRANS IS DEFINED AS 180 +/- 30 AND REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES. REMARK 500 MODEL OMEGA REMARK 500 LYS A 287 ARG A 288 148.44 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 A 600 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 437 SG REMARK 620 2 HEM A 600 NA 98.2 REMARK 620 3 HEM A 600 NB 89.2 87.7 REMARK 620 4 HEM A 600 NC 94.6 167.2 91.8 REMARK 620 5 HEM A 600 ND 100.4 89.9 170.4 88.5 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 HEM A 600 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ASD A 601 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 A 602 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 A 603 DBREF 3EQM A 1 503 UNP P11511 CP19A_HUMAN 1 503 SEQRES 1 A 503 MET VAL LEU GLU MET LEU ASN PRO ILE HIS TYR ASN ILE SEQRES 2 A 503 THR SER ILE VAL PRO GLU ALA MET PRO ALA ALA THR MET SEQRES 3 A 503 PRO VAL LEU LEU LEU THR GLY LEU PHE LEU LEU VAL TRP SEQRES 4 A 503 ASN TYR GLU GLY THR SER SER ILE PRO GLY PRO GLY TYR SEQRES 5 A 503 CYS MET GLY ILE GLY PRO LEU ILE SER HIS GLY ARG PHE SEQRES 6 A 503 LEU TRP MET GLY ILE GLY SER ALA CYS ASN TYR TYR ASN SEQRES 7 A 503 ARG VAL TYR GLY GLU PHE MET ARG VAL TRP ILE SER GLY SEQRES 8 A 503 GLU GLU THR LEU ILE ILE SER LYS SER SER SER MET PHE SEQRES 9 A 503 HIS ILE MET LYS HIS ASN HIS TYR SER SER ARG PHE GLY SEQRES 10 A 503 SER LYS LEU GLY LEU GLN CYS ILE GLY MET HIS GLU LYS SEQRES 11 A 503 GLY ILE ILE PHE ASN ASN ASN PRO GLU LEU TRP LYS THR SEQRES 12 A 503 THR ARG PRO PHE PHE MET LYS ALA LEU SER GLY PRO GLY SEQRES 13 A 503 LEU VAL ARG MET VAL THR VAL CYS ALA GLU SER LEU LYS SEQRES 14 A 503 THR HIS LEU ASP ARG LEU GLU GLU VAL THR ASN GLU SER SEQRES 15 A 503 GLY TYR VAL ASP VAL LEU THR LEU LEU ARG ARG VAL MET SEQRES 16 A 503 LEU ASP THR SER ASN THR LEU PHE LEU ARG ILE PRO LEU SEQRES 17 A 503 ASP GLU SER ALA ILE VAL VAL LYS ILE GLN GLY TYR PHE SEQRES 18 A 503 ASP ALA TRP GLN ALA LEU LEU ILE LYS PRO ASP ILE PHE SEQRES 19 A 503 PHE LYS ILE SER TRP LEU TYR LYS LYS TYR GLU LYS SER SEQRES 20 A 503 VAL LYS ASP LEU LYS ASP ALA ILE GLU VAL LEU ILE ALA SEQRES 21 A 503 GLU LYS ARG ARG ARG ILE SER THR GLU GLU LYS LEU GLU SEQRES 22 A 503 GLU CYS MET ASP PHE ALA THR GLU LEU ILE LEU ALA GLU SEQRES 23 A 503 LYS ARG GLY ASP LEU THR ARG GLU ASN VAL ASN GLN CYS SEQRES 24 A 503 ILE LEU GLU MET LEU ILE ALA ALA PRO ASP THR MET SER SEQRES 25 A 503 VAL SER LEU PHE PHE MET LEU PHE LEU ILE ALA LYS HIS SEQRES 26 A 503 PRO ASN VAL GLU GLU ALA ILE ILE LYS GLU ILE GLN THR SEQRES 27 A 503 VAL ILE GLY GLU ARG ASP ILE LYS ILE ASP ASP ILE GLN SEQRES 28 A 503 LYS LEU LYS VAL MET GLU ASN PHE ILE TYR GLU SER MET SEQRES 29 A 503 ARG TYR GLN PRO VAL VAL ASP LEU VAL MET ARG LYS ALA SEQRES 30 A 503 LEU GLU ASP ASP VAL ILE ASP GLY TYR PRO VAL LYS LYS SEQRES 31 A 503 GLY THR ASN ILE ILE LEU ASN ILE GLY ARG MET HIS ARG SEQRES 32 A 503 LEU GLU PHE PHE PRO LYS PRO ASN GLU PHE THR LEU GLU SEQRES 33 A 503 ASN PHE ALA LYS ASN VAL PRO TYR ARG TYR PHE GLN PRO SEQRES 34 A 503 PHE GLY PHE GLY PRO ARG GLY CYS ALA GLY LYS TYR ILE SEQRES 35 A 503 ALA MET VAL MET MET LYS ALA ILE LEU VAL THR LEU LEU SEQRES 36 A 503 ARG ARG PHE HIS VAL LYS THR LEU GLN GLY GLN CYS VAL SEQRES 37 A 503 GLU SER ILE GLN LYS ILE HIS ASP LEU SER LEU HIS PRO SEQRES 38 A 503 ASP GLU THR LYS ASN MET LEU GLU MET ILE PHE THR PRO SEQRES 39 A 503 ARG ASN SER ASP ARG CYS LEU GLU HIS HET HEM A 600 43 HET ASD A 601 21 HET PO4 A 602 5 HET PO4 A 603 5 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETNAM ASD 4-ANDROSTENE-3-17-DIONE HETNAM PO4 PHOSPHATE ION HETSYN HEM HEME FORMUL 2 HEM C34 H32 FE N4 O4 FORMUL 3 ASD C19 H26 O2 FORMUL 4 PO4 2(O4 P 3-) FORMUL 6 HOH *35(H2 O) HELIX 1 1 ILE A 56 GLY A 69 1 14 HELIX 2 2 GLY A 69 TYR A 81 1 13 HELIX 3 3 LYS A 99 HIS A 109 1 11 HELIX 4 4 ASN A 110 SER A 113 5 4 HELIX 5 5 SER A 118 GLY A 126 1 9 HELIX 6 6 ASN A 137 LEU A 152 1 16 HELIX 7 7 GLY A 154 ASP A 173 1 20 HELIX 8 8 ARG A 174 VAL A 178 5 5 HELIX 9 9 ASP A 186 LEU A 204 1 19 HELIX 10 10 ASP A 209 LEU A 228 1 20 HELIX 11 11 PRO A 231 LYS A 236 5 6 HELIX 12 12 ILE A 237 LEU A 240 5 4 HELIX 13 13 TYR A 241 THR A 268 1 28 HELIX 14 14 LYS A 271 CYS A 275 5 5 HELIX 15 15 ASP A 277 ARG A 288 1 12 HELIX 16 16 THR A 292 HIS A 325 1 34 HELIX 17 17 HIS A 325 GLY A 341 1 17 HELIX 18 18 LYS A 346 ILE A 350 5 5 HELIX 19 19 LEU A 353 GLN A 367 1 15 HELIX 20 20 ASN A 397 GLU A 405 1 9 HELIX 21 21 THR A 414 ALA A 419 5 6 HELIX 22 22 GLY A 439 ARG A 456 1 18 SHEET 1 A 4 PHE A 84 TRP A 88 0 SHEET 2 A 4 GLU A 93 ILE A 97 -1 O THR A 94 N VAL A 87 SHEET 3 A 4 ASN A 393 LEU A 396 1 O ASN A 393 N LEU A 95 SHEET 4 A 4 VAL A 373 LYS A 376 -1 N VAL A 373 O LEU A 396 SHEET 1 B 2 ASP A 381 ILE A 383 0 SHEET 2 B 2 TYR A 386 VAL A 388 -1 O VAL A 388 N ASP A 381 SHEET 1 C 2 PHE A 458 THR A 462 0 SHEET 2 C 2 MET A 490 PRO A 494 -1 O THR A 493 N HIS A 459 SHEET 1 D 2 LYS A 473 HIS A 475 0 SHEET 2 D 2 LEU A 479 PRO A 481 -1 O HIS A 480 N ILE A 474 LINK SG CYS A 437 FE HEM A 600 1555 1555 2.40 SITE 1 AC1 18 ARG A 115 ILE A 132 ILE A 133 TRP A 141 SITE 2 AC1 18 ARG A 145 ALA A 306 THR A 310 SER A 314 SITE 3 AC1 18 MET A 364 VAL A 373 ARG A 375 PHE A 430 SITE 4 AC1 18 ARG A 435 GLY A 436 CYS A 437 MET A 446 SITE 5 AC1 18 MET A 447 ASD A 601 SITE 1 AC2 10 ARG A 115 TRP A 224 ALA A 306 ASP A 309 SITE 2 AC2 10 THR A 310 VAL A 370 LEU A 372 MET A 374 SITE 3 AC2 10 LEU A 477 HEM A 600 SITE 1 AC3 3 SER A 72 ASN A 75 HIS A 475 SITE 1 AC4 3 HIS A 109 ASN A 110 HIS A 111 CRYST1 140.208 140.208 119.266 90.00 90.00 120.00 P 32 2 1 6 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 0.007132 0.004118 0.000000 0.00000 SCALE2 0.000000 0.008236 0.000000 0.00000 SCALE3 0.000000 0.000000 0.008385 0.00000