HEADER OXIDOREDUCTASE 20-MAR-25 9U53 TITLE CRYSTAL STRUCTURE OF THE CYP154C2 Q230A FROM STREPTOMYCES AVERMITILIS COMPND MOL_ID: 1; COMPND 2 MOLECULE: CYTOCHROME P450; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES; COMPND 5 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: STREPTOMYCES AVERMITILIS; SOURCE 3 ORGANISM_TAXID: 33903; SOURCE 4 GENE: SAV14893_032670, SAV31267_054670; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008 KEYWDS CYTOCHROME P450, HYDROXYLASE, ANDROSTENEDIONE, OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR L.H.XU REVDAT 2 08-APR-26 9U53 1 JRNL REVDAT 1 24-SEP-25 9U53 0 JRNL AUTH J.YANG,J.HUANG,X.HE,S.FUSHINOBU,L.H.XU JRNL TITL CONFORMATIONAL GATING IN CYP154C2: GLN230-MEDIATED SUBSTRATE JRNL TITL 2 RECOGNITION AND CATALYTIC SWITCHING REVEALED BY STRUCTURAL JRNL TITL 3 DYNAMICS. JRNL REF BIOSCI.BIOTECHNOL.BIOCHEM. V. 89 1144 2025 JRNL REFN ISSN 0916-8451 JRNL PMID 40408304 JRNL DOI 10.1093/BBB/ZBAF076 REMARK 2 REMARK 2 RESOLUTION. 1.97 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.8.0238 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) : 1.97 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 39.71 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 97.5 REMARK 3 NUMBER OF REFLECTIONS : 35425 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) : 0.181 REMARK 3 R VALUE (WORKING SET) : 0.178 REMARK 3 FREE R VALUE : 0.234 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1849 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) : 1.97 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.02 REMARK 3 REFLECTION IN BIN (WORKING SET) : 2404 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 91.10 REMARK 3 BIN R VALUE (WORKING SET) : 0.3290 REMARK 3 BIN FREE R VALUE SET COUNT : 133 REMARK 3 BIN FREE R VALUE : 0.3340 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3012 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 65 REMARK 3 SOLVENT ATOMS : 387 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 39.54 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.00000 REMARK 3 B22 (A**2) : 0.01000 REMARK 3 B33 (A**2) : -0.01000 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): 0.144 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.148 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.115 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 4.288 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.967 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.939 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 3139 ; 0.009 ; 0.013 REMARK 3 BOND LENGTHS OTHERS (A): 3004 ; 0.001 ; 0.017 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 4291 ; 1.586 ; 1.668 REMARK 3 BOND ANGLES OTHERS (DEGREES): 6926 ; 1.385 ; 1.580 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 397 ; 5.963 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 150 ;33.762 ;21.000 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 488 ;13.307 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 26 ;16.861 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 414 ; 0.073 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 3520 ; 0.008 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 642 ; 0.010 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): NULL ; NULL ; NULL 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): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL 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): 1591 ; 3.032 ; 3.973 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 1589 ; 3.029 ; 3.971 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1987 ; 4.147 ; 5.948 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): 1987 ; 4.148 ; 5.948 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 1548 ; 4.132 ; 4.364 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): 1549 ; 4.131 ; 4.365 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): 2305 ; 6.048 ; 6.377 REMARK 3 LONG RANGE B REFINED ATOMS (A**2): 3747 ; 7.581 ;49.682 REMARK 3 LONG RANGE B OTHER ATOMS (A**2): 3621 ; 7.495 ;48.954 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: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS REMARK 4 REMARK 4 9U53 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBC ON 26-MAR-25. REMARK 100 THE DEPOSITION ID IS D_1300057723. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 23-JAN-21 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRF REMARK 200 BEAMLINE : BL19U1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9785 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-3000 REMARK 200 DATA SCALING SOFTWARE : HKL-3000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 37350 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.970 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.8 REMARK 200 DATA REDUNDANCY : 12.30 REMARK 200 R MERGE (I) : 0.04900 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 28.7000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.97 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.00 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: MOLREP REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 57.59 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.90 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: THE RESERVOIR SOLUTION CONTAINED A REMARK 280 FINAL CONCENTRATION OF 0.06 M DIVALENT CATIONS (0.3 M MAGNESIUM REMARK 280 CHLORIDE HEXAHYDRATE AND 0.3 M CALCIUM CHLORIDE DEHYDRATE), 0.1 REMARK 280 M BUFFER SYSTEM 2 (1 M SODIUM HEPES AND MOPS, PH 7.5), AND 50% REMARK 280 (V/V) PRECIPITANT MIX 1 [40% (V/V) PEG 500 MME AND 20% (W/V) PEG REMARK 280 20000]., VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 293K 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 28.25250 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 58.49750 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 39.67650 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 58.49750 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 28.25250 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 39.67650 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: 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 -19 REMARK 465 GLY A -18 REMARK 465 SER A -17 REMARK 465 SER A -16 REMARK 465 HIS A -15 REMARK 465 HIS A -14 REMARK 465 HIS A -13 REMARK 465 HIS A -12 REMARK 465 HIS A -11 REMARK 465 HIS A -10 REMARK 465 SER A -9 REMARK 465 SER A -8 REMARK 465 GLY A -7 REMARK 465 LEU A -6 REMARK 465 VAL A -5 REMARK 465 PRO A -4 REMARK 465 ARG A -3 REMARK 465 GLY A -2 REMARK 465 SER A -1 REMARK 465 HIS A 0 REMARK 465 MET A 1 REMARK 465 THR A 2 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 O HOH A 838 O HOH A 948 1.95 REMARK 500 OD2 ASP A 139 O HOH A 601 2.15 REMARK 500 O HOH A 661 O HOH A 735 2.18 REMARK 500 REMARK 500 REMARK: NULL 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 O HOH A 621 O HOH A 637 3444 1.14 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 ARG A 332 NE - CZ - NH1 ANGL. DEV. = 3.2 DEGREES REMARK 500 ARG A 332 NE - CZ - NH2 ANGL. DEV. = -3.3 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 PRO A 33 134.41 -38.28 REMARK 500 PHE A 140 -63.08 -137.61 REMARK 500 HIS A 237 -73.60 -79.94 REMARK 500 SER A 279 59.88 -151.94 REMARK 500 ALA A 303 136.10 -39.03 REMARK 500 ARG A 316 41.48 -103.34 REMARK 500 ASN A 390 72.06 -107.45 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 983 DISTANCE = 5.89 ANGSTROMS REMARK 525 HOH A 984 DISTANCE = 5.99 ANGSTROMS REMARK 525 HOH A 985 DISTANCE = 6.12 ANGSTROMS REMARK 525 HOH A 986 DISTANCE = 7.19 ANGSTROMS REMARK 525 HOH A 987 DISTANCE = 7.72 ANGSTROMS 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 501 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 348 SG REMARK 620 2 HEM A 501 NA 103.8 REMARK 620 3 HEM A 501 NB 91.6 86.9 REMARK 620 4 HEM A 501 NC 89.7 166.0 89.0 REMARK 620 5 HEM A 501 ND 100.1 90.9 168.3 90.4 REMARK 620 6 HOH A 726 O 167.0 75.1 75.5 90.9 92.8 REMARK 620 N 1 2 3 4 5 DBREF1 9U53 A 1 400 UNP A0A4D4LTT1_STRAX DBREF2 9U53 A A0A4D4LTT1 1 400 SEQADV 9U53 MET A -19 UNP A0A4D4LTT INITIATING METHIONINE SEQADV 9U53 GLY A -18 UNP A0A4D4LTT EXPRESSION TAG SEQADV 9U53 SER A -17 UNP A0A4D4LTT EXPRESSION TAG SEQADV 9U53 SER A -16 UNP A0A4D4LTT EXPRESSION TAG SEQADV 9U53 HIS A -15 UNP A0A4D4LTT EXPRESSION TAG SEQADV 9U53 HIS A -14 UNP A0A4D4LTT EXPRESSION TAG SEQADV 9U53 HIS A -13 UNP A0A4D4LTT EXPRESSION TAG SEQADV 9U53 HIS A -12 UNP A0A4D4LTT EXPRESSION TAG SEQADV 9U53 HIS A -11 UNP A0A4D4LTT EXPRESSION TAG SEQADV 9U53 HIS A -10 UNP A0A4D4LTT EXPRESSION TAG SEQADV 9U53 SER A -9 UNP A0A4D4LTT EXPRESSION TAG SEQADV 9U53 SER A -8 UNP A0A4D4LTT EXPRESSION TAG SEQADV 9U53 GLY A -7 UNP A0A4D4LTT EXPRESSION TAG SEQADV 9U53 LEU A -6 UNP A0A4D4LTT EXPRESSION TAG SEQADV 9U53 VAL A -5 UNP A0A4D4LTT EXPRESSION TAG SEQADV 9U53 PRO A -4 UNP A0A4D4LTT EXPRESSION TAG SEQADV 9U53 ARG A -3 UNP A0A4D4LTT EXPRESSION TAG SEQADV 9U53 GLY A -2 UNP A0A4D4LTT EXPRESSION TAG SEQADV 9U53 SER A -1 UNP A0A4D4LTT EXPRESSION TAG SEQADV 9U53 HIS A 0 UNP A0A4D4LTT EXPRESSION TAG SEQADV 9U53 ALA A 230 UNP A0A4D4LTT GLN 230 ENGINEERED MUTATION SEQRES 1 A 420 MET GLY SER SER HIS HIS HIS HIS HIS HIS SER SER GLY SEQRES 2 A 420 LEU VAL PRO ARG GLY SER HIS MET THR THR ARG ILE ALA SEQRES 3 A 420 LEU ASP PRO PHE VAL SER ASP LEU GLU ALA GLU SER ALA SEQRES 4 A 420 ALA LEU ARG ALA ALA GLY PRO LEU ALA ALA VAL GLU LEU SEQRES 5 A 420 PRO GLY GLY VAL PRO VAL TRP ALA VAL THR HIS HIS ALA SEQRES 6 A 420 GLU ALA LYS LYS LEU LEU THR ASP PRO ARG LEU VAL LYS SEQRES 7 A 420 ASP ILE ASN VAL TRP GLY ALA TRP GLN ARG GLY GLU ILE SEQRES 8 A 420 ALA PRO ASP TRP PRO LEU ILE GLY LEU ALA ASN PRO GLY SEQRES 9 A 420 ARG SER MET LEU THR VAL ASP GLY ALA ASP HIS ARG ARG SEQRES 10 A 420 MET ARG THR LEU VAL ALA GLN ALA LEU THR PRO ARG ARG SEQRES 11 A 420 VAL GLU GLN MET ARG GLU ARG ILE THR LYS LEU THR GLU SEQRES 12 A 420 GLU LEU LEU ASP ARG LEU THR GLY GLU VAL VAL ASP LEU SEQRES 13 A 420 LYS ALA ASP PHE ALA TYR PRO LEU PRO MET TYR VAL VAL SEQRES 14 A 420 ALA ASP LEU MET GLY ILE ASP GLU ALA ARG LEU PRO ARG SEQRES 15 A 420 LEU GLY GLU LEU PHE GLU LYS PHE PHE SER THR GLN THR SEQRES 16 A 420 PRO PRO ALA GLU VAL ILE ALA THR LEU THR GLU LEU ALA SEQRES 17 A 420 GLY ILE MET ALA GLU THR VAL ALA ALA LYS ARG ALA ALA SEQRES 18 A 420 PRO GLY ASP ASP LEU THR SER ALA LEU ILE LEU ALA SER SEQRES 19 A 420 GLU ASP GLY ASP HIS LEU THR ASP ALA GLU ILE VAL SER SEQRES 20 A 420 THR LEU ALA LEU MET VAL ALA ALA GLY HIS GLU THR THR SEQRES 21 A 420 ILE SER LEU ILE VAL ASN ALA VAL VAL ASN LEU SER THR SEQRES 22 A 420 HIS PRO GLU GLN ARG ALA LEU VAL LEU SER GLY GLU ALA SEQRES 23 A 420 ASP TRP SER SER VAL VAL GLU GLU THR LEU ARG TYR SER SEQRES 24 A 420 THR PRO THR SER HIS VAL LEU ILE ARG PHE ALA THR GLU SEQRES 25 A 420 ASP VAL PRO VAL GLY ASP LYS VAL LEU PRO ALA GLY ASP SEQRES 26 A 420 ALA LEU ILE VAL SER TYR GLY ALA LEU GLY ARG ASP GLU SEQRES 27 A 420 ALA ALA HIS GLY PRO THR ALA GLY GLU PHE ASP ILE THR SEQRES 28 A 420 ARG SER THR GLU ASN ARG HIS ILE SER PHE GLY HIS GLY SEQRES 29 A 420 PRO HIS VAL CYS PRO GLY ALA ALA LEU SER ARG LEU GLU SEQRES 30 A 420 ALA GLY VAL ALA LEU PRO ALA LEU TYR ALA ARG PHE PRO SEQRES 31 A 420 LYS LEU ASP LEU ALA VAL PRO ALA ALA GLU LEU ARG ASN SEQRES 32 A 420 LYS PRO VAL VAL THR GLN ASN ASP LEU PHE GLU LEU PRO SEQRES 33 A 420 VAL ARG LEU GLY HET HEM A 501 43 HET PEG A 502 7 HET EDO A 503 4 HET PEG A 504 7 HET EDO A 505 4 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETNAM PEG DI(HYDROXYETHYL)ETHER HETNAM EDO 1,2-ETHANEDIOL HETSYN HEM HEME HETSYN EDO ETHYLENE GLYCOL FORMUL 2 HEM C34 H32 FE N4 O4 FORMUL 3 PEG 2(C4 H10 O3) FORMUL 4 EDO 2(C2 H6 O2) FORMUL 7 HOH *387(H2 O) HELIX 1 AA1 ASP A 13 ALA A 24 1 12 HELIX 2 AA2 HIS A 43 THR A 52 1 10 HELIX 3 AA3 ASP A 59 VAL A 62 5 4 HELIX 4 AA4 TRP A 63 ARG A 68 1 6 HELIX 5 AA5 LEU A 77 ASN A 82 1 6 HELIX 6 AA6 SER A 86 VAL A 90 5 5 HELIX 7 AA7 ASP A 91 LEU A 106 1 16 HELIX 8 AA8 THR A 107 MET A 114 1 8 HELIX 9 AA9 MET A 114 LEU A 129 1 16 HELIX 10 AB1 LEU A 136 PHE A 140 1 5 HELIX 11 AB2 TYR A 142 MET A 153 1 12 HELIX 12 AB3 ASP A 156 ALA A 158 5 3 HELIX 13 AB4 ARG A 159 SER A 172 1 14 HELIX 14 AB5 PRO A 176 ALA A 201 1 26 HELIX 15 AB6 ASP A 205 ALA A 213 1 9 HELIX 16 AB7 THR A 221 HIS A 254 1 34 HELIX 17 AB8 HIS A 254 SER A 263 1 10 HELIX 18 AB9 ASP A 267 SER A 279 1 13 HELIX 19 AC1 SER A 310 ARG A 316 1 7 HELIX 20 AC2 ASP A 317 GLY A 322 1 6 HELIX 21 AC3 PRO A 323 GLU A 327 5 5 HELIX 22 AC4 HIS A 343 VAL A 347 5 5 HELIX 23 AC5 GLY A 350 PHE A 369 1 20 HELIX 24 AC6 PRO A 377 LEU A 381 5 5 SHEET 1 AA1 6 ILE A 5 ALA A 6 0 SHEET 2 AA1 6 LEU A 27 LEU A 32 1 O ALA A 29 N ILE A 5 SHEET 3 AA1 6 VAL A 36 VAL A 41 -1 O ALA A 40 N ALA A 28 SHEET 4 AA1 6 ALA A 306 VAL A 309 1 O ALA A 306 N TRP A 39 SHEET 5 AA1 6 VAL A 285 ALA A 290 -1 N ARG A 288 O LEU A 307 SHEET 6 AA1 6 LEU A 56 VAL A 57 -1 N VAL A 57 O PHE A 289 SHEET 1 AA2 3 VAL A 133 ASP A 135 0 SHEET 2 AA2 3 PRO A 396 ARG A 398 -1 O VAL A 397 N VAL A 134 SHEET 3 AA2 3 ASP A 373 LEU A 374 -1 N ASP A 373 O ARG A 398 SHEET 1 AA3 2 VAL A 294 VAL A 296 0 SHEET 2 AA3 2 LYS A 299 LEU A 301 -1 O LEU A 301 N VAL A 294 LINK SG CYS A 348 FE HEM A 501 1555 1555 2.28 LINK FE HEM A 501 O HOH A 726 1555 1555 2.56 CISPEP 1 GLY A 25 PRO A 26 0 9.49 CISPEP 2 LEU A 286 ILE A 287 0 -0.96 CRYST1 56.505 79.353 116.995 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 0.017698 0.000000 0.000000 0.00000 SCALE2 0.000000 0.012602 0.000000 0.00000 SCALE3 0.000000 0.000000 0.008547 0.00000 CONECT 2621 3056 CONECT 3014 3018 3045 CONECT 3015 3021 3028 CONECT 3016 3031 3035 CONECT 3017 3038 3042 CONECT 3018 3014 3019 3052 CONECT 3019 3018 3020 3023 CONECT 3020 3019 3021 3022 CONECT 3021 3015 3020 3052 CONECT 3022 3020 CONECT 3023 3019 3024 CONECT 3024 3023 3025 CONECT 3025 3024 3026 3027 CONECT 3026 3025 CONECT 3027 3025 CONECT 3028 3015 3029 3053 CONECT 3029 3028 3030 3032 CONECT 3030 3029 3031 3033 CONECT 3031 3016 3030 3053 CONECT 3032 3029 CONECT 3033 3030 3034 CONECT 3034 3033 CONECT 3035 3016 3036 3054 CONECT 3036 3035 3037 3039 CONECT 3037 3036 3038 3040 CONECT 3038 3017 3037 3054 CONECT 3039 3036 CONECT 3040 3037 3041 CONECT 3041 3040 CONECT 3042 3017 3043 3055 CONECT 3043 3042 3044 3046 CONECT 3044 3043 3045 3047 CONECT 3045 3014 3044 3055 CONECT 3046 3043 CONECT 3047 3044 3048 CONECT 3048 3047 3049 CONECT 3049 3048 3050 3051 CONECT 3050 3049 CONECT 3051 3049 CONECT 3052 3018 3021 3056 CONECT 3053 3028 3031 3056 CONECT 3054 3035 3038 3056 CONECT 3055 3042 3045 3056 CONECT 3056 2621 3052 3053 3054 CONECT 3056 3055 3204 CONECT 3057 3058 3059 CONECT 3058 3057 CONECT 3059 3057 3060 CONECT 3060 3059 3061 CONECT 3061 3060 3062 CONECT 3062 3061 3063 CONECT 3063 3062 CONECT 3064 3065 3066 CONECT 3065 3064 CONECT 3066 3064 3067 CONECT 3067 3066 CONECT 3068 3069 3070 CONECT 3069 3068 CONECT 3070 3068 3071 CONECT 3071 3070 3072 CONECT 3072 3071 3073 CONECT 3073 3072 3074 CONECT 3074 3073 CONECT 3075 3076 3077 CONECT 3076 3075 CONECT 3077 3075 3078 CONECT 3078 3077 CONECT 3204 3056 MASTER 374 0 5 24 11 0 0 6 3464 1 68 33 END