HEADER ELECTRON TRANSPORT 27-JAN-23 8CCR TITLE CRYSTAL STRUCTURE OF THE T19D MUTANT OF THE DE NOVO DIHEME BINDING 4D2 COMPND MOL_ID: 1; COMPND 2 MOLECULE: 4D2 (MUTANT T19D); COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS HEME BINDING, ELECTRON TRANSPORT, HEME, DE NOVO EXPDTA X-RAY DIFFRACTION AUTHOR R.BARRINGER,R.ANDERSON REVDAT 1 09-AUG-23 8CCR 0 JRNL AUTH G.H.HUTCHINS,C.E.M.NOBLE,H.A.BUNZEL,C.WILLIAMS,P.DUBIEL, JRNL AUTH 2 S.K.N.YADAV,P.M.MOLINARO,R.BARRINGER,H.BLACKBURN,B.J.HARDY, JRNL AUTH 3 A.E.PARNELL,C.LANDAU,P.R.RACE,T.A.A.OLIVER,R.L.KODER, JRNL AUTH 4 M.P.CRUMP,C.SCHAFFITZEL,A.S.F.OLIVEIRA,A.J.MULHOLLAND, JRNL AUTH 5 J.L.R.ANDERSON JRNL TITL AN EXPANDABLE, MODULAR DE NOVO PROTEIN PLATFORM FOR JRNL TITL 2 PRECISION REDOX ENGINEERING. JRNL REF PROC.NATL.ACAD.SCI.USA V. 120 46120 2023 JRNL REFN ESSN 1091-6490 JRNL PMID 37487099 JRNL DOI 10.1073/PNAS.2306046120 REMARK 2 REMARK 2 RESOLUTION. 2.10 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.8.0258 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) : 2.10 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 40.55 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 3 NUMBER OF REFLECTIONS : 7531 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) : 0.203 REMARK 3 R VALUE (WORKING SET) : 0.200 REMARK 3 FREE R VALUE : 0.233 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.000 REMARK 3 FREE R VALUE TEST SET COUNT : 840 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) : 2.10 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.16 REMARK 3 REFLECTION IN BIN (WORKING SET) : 559 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 100.0 REMARK 3 BIN R VALUE (WORKING SET) : 0.3640 REMARK 3 BIN FREE R VALUE SET COUNT : 56 REMARK 3 BIN FREE R VALUE : 0.3870 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 837 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 96 REMARK 3 SOLVENT ATOMS : 5 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 44.28 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.07000 REMARK 3 B22 (A**2) : 0.07000 REMARK 3 B33 (A**2) : -0.23000 REMARK 3 B12 (A**2) : 0.03000 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): 0.219 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.180 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): NULL REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): NULL REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.957 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.940 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 970 ; 0.022 ; 0.014 REMARK 3 BOND LENGTHS OTHERS (A): 859 ; 0.034 ; 0.018 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 1332 ; 2.561 ; 1.833 REMARK 3 BOND ANGLES OTHERS (DEGREES): 1996 ; 2.578 ; 1.665 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 107 ; 5.120 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 55 ;41.349 ;22.727 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 168 ;17.389 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 8 ;28.746 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 108 ; 0.238 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1103 ; 0.029 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 205 ; 0.067 ; 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): 422 ; 2.978 ; 4.476 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 421 ; 2.970 ; 4.466 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 525 ; 4.884 ; 6.673 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): 526 ; 4.884 ; 6.683 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 548 ; 4.161 ; 4.851 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): 546 ; 4.133 ; 4.852 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): 805 ; 6.248 ; 7.061 REMARK 3 LONG RANGE B REFINED ATOMS (A**2): 1189 ; 8.000 ;50.151 REMARK 3 LONG RANGE B OTHER ATOMS (A**2): 1190 ; 8.016 ;50.158 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 8CCR COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 30-JAN-23. REMARK 100 THE DEPOSITION ID IS D_1292128105. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 22-NOV-21 REMARK 200 TEMPERATURE (KELVIN) : 193 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : DIAMOND REMARK 200 BEAMLINE : I04 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9795 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER2 X 16M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DIALS REMARK 200 DATA SCALING SOFTWARE : XIA2 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 8376 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.100 REMARK 200 RESOLUTION RANGE LOW (A) : 40.580 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 21.20 REMARK 200 R MERGE (I) : 0.10200 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 15.4000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.10 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.16 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 21.40 REMARK 200 R MERGE FOR SHELL (I) : 0.36700 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 3.800 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 (%): 60.58 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.12 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: CRYSTALLISATION BUFFER: 2.1 M DL-MALIC REMARK 280 ACID, PURIFICATION BUFFER: 20 MM CHES, 100MM KCL, PH 8.6, VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: H 3 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z REMARK 290 3555 -X+Y,-X,Z REMARK 290 4555 X+2/3,Y+1/3,Z+1/3 REMARK 290 5555 -Y+2/3,X-Y+1/3,Z+1/3 REMARK 290 6555 -X+Y+2/3,-X+1/3,Z+1/3 REMARK 290 7555 X+1/3,Y+2/3,Z+2/3 REMARK 290 8555 -Y+1/3,X-Y+2/3,Z+2/3 REMARK 290 9555 -X+Y+1/3,-X+2/3,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 0.00000 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 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 40.54650 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 23.40953 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 19.52833 REMARK 290 SMTRY1 5 -0.500000 -0.866025 0.000000 40.54650 REMARK 290 SMTRY2 5 0.866025 -0.500000 0.000000 23.40953 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 19.52833 REMARK 290 SMTRY1 6 -0.500000 0.866025 0.000000 40.54650 REMARK 290 SMTRY2 6 -0.866025 -0.500000 0.000000 23.40953 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 19.52833 REMARK 290 SMTRY1 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 46.81907 REMARK 290 SMTRY3 7 0.000000 0.000000 1.000000 39.05667 REMARK 290 SMTRY1 8 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 8 0.866025 -0.500000 0.000000 46.81907 REMARK 290 SMTRY3 8 0.000000 0.000000 1.000000 39.05667 REMARK 290 SMTRY1 9 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 9 -0.866025 -0.500000 0.000000 46.81907 REMARK 290 SMTRY3 9 0.000000 0.000000 1.000000 39.05667 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 TOTAL BURIED SURFACE AREA: 2580 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 6440 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -57.0 KCAL/MOL 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 ASN A 54 REMARK 465 GLY A 55 REMARK 465 SER A 56 REMARK 465 VAL A 57 REMARK 465 SER A 58 REMARK 465 LYS A 111 REMARK 465 ASN A 112 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 PRO A 59 CB - CA - C ANGL. DEV. = 40.6 DEGREES REMARK 500 SER A 60 N - CA - CB ANGL. DEV. = -19.5 DEGREES 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 10 0.12 SIDE CHAIN REMARK 500 ARG A 38 0.21 SIDE CHAIN 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 501 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 9 NE2 REMARK 620 2 HEM A 501 NA 87.4 REMARK 620 3 HEM A 501 NB 88.9 87.2 REMARK 620 4 HEM A 501 NC 92.1 175.4 88.2 REMARK 620 5 HEM A 501 ND 88.8 93.0 177.7 91.6 REMARK 620 6 HIS A 67 NE2 173.5 89.3 85.3 90.7 97.1 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM A 503 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 37 NE2 REMARK 620 2 HEM A 503 NA 93.2 REMARK 620 3 HEM A 503 NB 87.8 89.3 REMARK 620 4 HEM A 503 NC 89.1 176.6 88.3 REMARK 620 5 HEM A 503 ND 94.4 91.6 177.6 90.7 REMARK 620 6 HIS A 95 NE2 171.6 89.4 84.2 87.9 93.5 REMARK 620 N 1 2 3 4 5 DBREF 8CCR A 1 112 PDB 8CCR 8CCR 1 112 SEQRES 1 A 112 GLY SER PRO GLU LEU ARG GLU LYS HIS ARG ALA LEU ALA SEQRES 2 A 112 GLU GLN VAL TYR ALA ASP GLY GLN GLU MET LEU LYS ASN SEQRES 3 A 112 THR SER ASN SER PRO GLU LEU ARG GLU LYS HIS ARG ALA SEQRES 4 A 112 LEU ALA GLU GLN VAL TYR ALA THR GLY GLN GLU MET LEU SEQRES 5 A 112 LYS ASN GLY SER VAL SER PRO SER PRO GLU LEU ARG GLU SEQRES 6 A 112 LYS HIS ARG ALA LEU ALA GLU GLN VAL TYR ALA THR GLY SEQRES 7 A 112 GLN GLU MET LEU LYS ASN THR SER ASN SER PRO GLU LEU SEQRES 8 A 112 ARG GLU LYS HIS ARG ALA LEU ALA GLU GLN VAL TYR ALA SEQRES 9 A 112 THR GLY GLN GLU MET LEU LYS ASN HET HEM A 501 43 HET LMR A 502 9 HET HEM A 503 43 HET CL A 504 1 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETNAM LMR (2S)-2-HYDROXYBUTANEDIOIC ACID HETNAM CL CHLORIDE ION HETSYN HEM HEME HETSYN LMR L-MALATE FORMUL 2 HEM 2(C34 H32 FE N4 O4) FORMUL 3 LMR C4 H6 O5 FORMUL 5 CL CL 1- FORMUL 6 HOH *5(H2 O) HELIX 1 AA1 SER A 2 LYS A 25 1 24 HELIX 2 AA2 SER A 30 LEU A 52 1 23 HELIX 3 AA3 SER A 60 LEU A 82 1 23 HELIX 4 AA4 SER A 88 LEU A 110 1 23 LINK NE2 HIS A 9 FE HEM A 501 1555 1555 2.07 LINK NE2 HIS A 37 FE HEM A 503 1555 1555 2.17 LINK NE2 HIS A 67 FE HEM A 501 1555 1555 2.19 LINK NE2 HIS A 95 FE HEM A 503 1555 1555 2.02 CRYST1 81.093 81.093 58.585 90.00 90.00 120.00 H 3 9 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 0.012332 0.007120 0.000000 0.00000 SCALE2 0.000000 0.014239 0.000000 0.00000 SCALE3 0.000000 0.000000 0.017069 0.00000