HEADER OXYGEN STORAGE 03-JAN-00 1DXC TITLE CO COMPLEX OF MYOGLOBIN MB-YQR AT 100K COMPND MOL_ID: 1; COMPND 2 MOLECULE: MYOGLOBIN; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES; COMPND 5 MUTATION: YES; COMPND 6 OTHER_DETAILS: HEME BOUND TO HIS-93, CO BOUND TO HEME IRON SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: PHYSETER CATODON; SOURCE 3 ORGANISM_COMMON: SPERM WHALE; SOURCE 4 ORGANISM_TAXID: 9755; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 OTHER_DETAILS: SYNTHETIC GENE KEYWDS OXYGEN STORAGE, CO COMPLEX, RESPIRATORY PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR M.BRUNORI,B.VALLONE,F.CUTRUZZOLA,C.TRAVAGLINI-ALLOCATELLI, AUTHOR 2 J.BERENDZEN,K.CHU,R.M.SWEET,I.SCHLICHTING REVDAT 5 08-MAY-24 1DXC 1 REMARK REVDAT 4 27-NOV-19 1DXC 1 REMARK LINK REVDAT 3 28-NOV-12 1DXC 1 REMARK VERSN DBREF SEQADV REVDAT 3 2 1 HETSYN FORMUL REVDAT 2 24-FEB-09 1DXC 1 VERSN REVDAT 1 02-APR-00 1DXC 0 JRNL AUTH M.BRUNORI,B.VALLONE,F.CUTRUZZOLA,C.TRAVAGLINI-ALLOCATELLI, JRNL AUTH 2 J.BERENDZEN,K.CHU,R.M.SWEET,I.SCHLICHTING JRNL TITL THE ROLE OF CAVITIES IN PROTEIN DYNAMICS: CRYSTAL STRUCTURE JRNL TITL 2 OF A NOVEL PHOTOLYTIC INTERMEDIATE OF MYOGLOBIN JRNL REF PROC.NATL.ACAD.SCI.USA V. 97 2058 2000 JRNL REFN ISSN 0027-8424 JRNL PMID 10681426 JRNL DOI 10.1073/PNAS.040459697 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH M.BRUNORI,F.CUTRUZZOLA,C.SAVINO,C.TRAVAGLINI-ALLOCATELLI, REMARK 1 AUTH 2 B.VALLONE,Q.H.GIBSON REMARK 1 TITL STRUCTURAL DYNAMICS OF LIGANDDIFFUSION IN THE PROTEIN REMARK 1 TITL 2 MATRIX: A STUDY ON A NEW MYOGLOBIN MUTANT Y (B10) Q(E7) REMARK 1 TITL 3 R(E10) REMARK 1 REF BIOPHYS.J. V. 76 1259 1999 REMARK 1 REFN ISSN 0006-3495 REMARK 1 PMID 10049310 REMARK 1 REFERENCE 2 REMARK 1 AUTH I.SCHLICHTING,J.BERENDZEN,R.M.G.N.P.JUNIORSWEET REMARK 1 TITL CRYSTAL STRUCTURE OF PHOTOLYSED CARBONMONOXY-MYOGLOBIN REMARK 1 REF NATURE V. 371 808 1994 REMARK 1 REFN ISSN 0028-0836 REMARK 1 PMID 7935843 REMARK 1 DOI 10.1038/371808A07969399 REMARK 1 REFERENCE 3 REMARK 1 AUTH R.M.G.N.P.JUNIORARDUINI,B.A.SPRINGER,S.G.SLIGAR REMARK 1 TITL CRYSTAL STRUCTURE OF MYOGLOBIN FROM A SYNTHETIC GENE REMARK 1 REF PROTEINS: STRUCT.,FUNCT., V. 7 358 1990 REMARK 1 REF 2 GENET. REMARK 1 REFN ISSN 0887-3585 REMARK 1 PMID 2199973 REMARK 1 DOI 10.1002/PROT.340070407 REMARK 1 REFERENCE 4 REMARK 1 AUTH B.A.SPRINGER,S.G.SLIGAR REMARK 1 TITL HIGH-LEVEL EXPRESSION OF SPERM WHALE MYOGLOBIN IN REMARK 1 TITL 2 ESCHERICHIA COLI REMARK 1 REF PROC.NATL.ACAD.SCI.USA V. 84 8961 1987 REMARK 1 REFN ISSN 0027-8424 REMARK 1 PMID 3321062 REMARK 1 DOI 10.1073/PNAS.84.24.8961 REMARK 2 REMARK 2 RESOLUTION. 1.40 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.40 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 19.60 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 96.5 REMARK 3 NUMBER OF REFLECTIONS : 40518 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 + TEST SET) : NULL REMARK 3 R VALUE (WORKING SET) : 0.128 REMARK 3 FREE R VALUE : 0.153 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1231 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 60 REMARK 3 SOLVENT ATOMS : 258 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 15.20 REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL 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 OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): NULL REMARK 3 ESU BASED ON FREE R VALUE (A): NULL 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 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : 0.014 ; NULL REMARK 3 ANGLE DISTANCE (A) : 2.545 ; NULL REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : NULL ; NULL REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : NULL ; NULL REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : NULL ; NULL REMARK 3 MULTIPLE TORSION (A) : NULL ; NULL REMARK 3 H-BOND (X...Y) (A) : NULL ; NULL REMARK 3 H-BOND (X-H...Y) (A) : NULL ; NULL REMARK 3 REMARK 3 CONFORMATIONAL TORSION ANGLE RESTRAINTS. REMARK 3 SPECIFIED (DEGREES) : NULL ; NULL REMARK 3 PLANAR (DEGREES) : NULL ; NULL REMARK 3 STAGGERED (DEGREES) : NULL ; NULL REMARK 3 TRANSVERSE (DEGREES) : NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1DXC COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 03-JAN-00. REMARK 100 THE DEPOSITION ID IS D_1290004500. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-MAY-98 REMARK 200 TEMPERATURE (KELVIN) : 100.0 REMARK 200 PH : 9.00 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X12C REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.91 REMARK 200 MONOCHROMATOR : YES REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : PRINCETON SCIENTIFIC REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : XSCALE REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 40518 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.400 REMARK 200 RESOLUTION RANGE LOW (A) : 19.600 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.5 REMARK 200 DATA REDUNDANCY : 3.500 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.03600 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 19.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.40 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.50 REMARK 200 COMPLETENESS FOR SHELL (%) : 91.4 REMARK 200 DATA REDUNDANCY IN SHELL : 2.10 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.12500 REMARK 200 <I/SIGMA(I)> FOR SHELL : 3.600 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 60.02 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.08 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PROTEIN WAS CRYSTALLIZED FROM 3.6 M REMARK 280 AMMONIUM SULFATE.CRYSTALS WERE SOAKED FOR C.A. 1 HOUR IN A REMARK 280 THOROUGHLY DEGASSED AND CO SATURATED CRYOPROTECTANT SOLUTION REMARK 280 MADE BY ADDITION OF 100 MG XYLITOL, 100 MG GLUCOSE AND 8 MG NA- REMARK 280 DITHIONATE TO 1 ML OF 70% SATURATED AMMONIUM SULFATE WITH 50 MM REMARK 280 TRIS.HCL PH 9.0. DISTINCT COLOR CHANGES INDICATED THE FORMATION REMARK 280 OF CO-MB FROM MET-MB., PH 9.00 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 6 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,-Y,Z REMARK 290 5555 Y,-X+Y,Z REMARK 290 6555 X-Y,X,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 -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 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 5 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 5 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 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 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 300 REMARK: IN THIS SPACE GROUP THERE IS A STRONG 3 REMARK 300 -FOLD CRYSTAL PACKINGOF THE MYOGLOBIN MOLECULE REMARK 300 INVOLVING SYMMETRY OPERATIONS,(X,Y,Z), (1.0-X+ REMARK 300 Y,1.0-X,Z), AND (1.0-Y,X-Y,Z). THE REMARK 300 SO4MOLECULE 315A SITS CLOSE TO THE 3-FOLD AXIS. 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PQS 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 400 REMARK 400 COMPOUND REMARK 400 CO IS ATTACHED TO HEME IRON ATOM WHICH IS COORDINATED BY REMARK 400 HIS 93A FROM THE MYOGLOBIN 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 FE HEM A 154 C CMO A 155 1.98 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 67 NE - CZ - NH2 ANGL. DEV. = -6.4 DEGREES REMARK 500 LEU A 86 CB - CG - CD1 ANGL. DEV. = 10.4 DEGREES REMARK 500 PHE A 106 CB - CG - CD1 ANGL. DEV. = 4.3 DEGREES REMARK 500 ARG A 118 CD - NE - CZ ANGL. DEV. = 14.5 DEGREES REMARK 500 ARG A 118 NE - CZ - NH1 ANGL. DEV. = 11.3 DEGREES REMARK 500 ARG A 118 NE - CZ - NH2 ANGL. DEV. = -10.1 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 ASP A 20 76.65 -158.67 REMARK 500 HIS A 81 59.38 -92.99 REMARK 500 LYS A 98 65.05 60.59 REMARK 500 PHE A 123 48.89 -144.37 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 154 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 93 NE2 REMARK 620 2 HEM A 154 NA 90.6 REMARK 620 3 HEM A 154 NB 91.1 89.8 REMARK 620 4 HEM A 154 NC 94.2 175.1 90.9 REMARK 620 5 HEM A 154 ND 92.7 89.9 176.1 89.0 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 SO4 A 313 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 314 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 315 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 154 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CMO A 155 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1DXD RELATED DB: PDB REMARK 900 PHOTOLYZED CO COMPLEX OF MYOGLOBIN MB-YQR AT 20K IN ADDITION THE REMARK 900 FOLLOWING PDB ENTRIES INVOLVE THE THE STRUCTURE OF SPERM WHALE REMARK 900 MYOGLOBIN: 2MB5 1MBC 1MBD 1MBI 1MBN 4MBN 5MBN 1MBO 2MBW 1FCS 1SWM REMARK 900 2CMM 1MGN 2MGA 2MGB 2MGC 2MGD 2MGE 2MGF 2MGG 2MGH 2MGI 2MGJ 2MGK REMARK 900 2MGL 2MGM 2MYA 2MYB 2MYC 2MYD 2MYE 1MYF 1MYM 2SPL 2SPM 2SPN 2SPO REMARK 900 1MLF 1MLG 1MLH 1MLJ 1MLK 1MLL 1MLM 1MLN 1MLO 1MLQ 1MLR 1MLS 1MLU REMARK 900 1BVC 1BVD 1ABS 1AJG 1AJH 1HJT 1IRC 1SPE 1YOG 1YOH 1YOI 1LTW 1MCY REMARK 900 1MOA 1MOB 1MOC 1MOD 1MTI 1MTJ 1MTK 1TES 1VXA 1VXB 1VXC 1VXD 1VXE REMARK 900 1VXF 1VXG 1VXH 101M 102M 103M 104M 105M 106M 107M 109M 110M 111M REMARK 900 112M 1IOP 1OBM 108M 1JDO 1OFJ 1A6G 1A6K 1A6M 1A6N 1BZ6 1OFK 1CH1 REMARK 900 1CH2 1CH3 1CH5 1CH7 1CH9 1CIK 1CIO DBREF 1DXC A 0 153 UNP P02185 MYG_PHYCA 1 154 SEQADV 1DXC TYR A 29 UNP P02185 LEU 29 ENGINEERED MUTATION SEQADV 1DXC GLN A 64 UNP P02185 HIS 64 ENGINEERED MUTATION SEQADV 1DXC ARG A 67 UNP P02185 THR 67 ENGINEERED MUTATION SEQADV 1DXC ASN A 122 UNP P02185 ASP 122 ENGINEERED MUTATION SEQRES 1 A 154 MET VAL LEU SER GLU GLY GLU TRP GLN LEU VAL LEU HIS SEQRES 2 A 154 VAL TRP ALA LYS VAL GLU ALA ASP VAL ALA GLY HIS GLY SEQRES 3 A 154 GLN ASP ILE TYR ILE ARG LEU PHE LYS SER HIS PRO GLU SEQRES 4 A 154 THR LEU GLU LYS PHE ASP ARG PHE LYS HIS LEU LYS THR SEQRES 5 A 154 GLU ALA GLU MET LYS ALA SER GLU ASP LEU LYS LYS GLN SEQRES 6 A 154 GLY VAL ARG VAL LEU THR ALA LEU GLY ALA ILE LEU LYS SEQRES 7 A 154 LYS LYS GLY HIS HIS GLU ALA GLU LEU LYS PRO LEU ALA SEQRES 8 A 154 GLN SER HIS ALA THR LYS HIS LYS ILE PRO ILE LYS TYR SEQRES 9 A 154 LEU GLU PHE ILE SER GLU ALA ILE ILE HIS VAL LEU HIS SEQRES 10 A 154 SER ARG HIS PRO GLY ASN PHE GLY ALA ASP ALA GLN GLY SEQRES 11 A 154 ALA MET ASN LYS ALA LEU GLU LEU PHE ARG LYS ASP ILE SEQRES 12 A 154 ALA ALA LYS TYR LYS GLU LEU GLY TYR GLN GLY HET HEM A 154 43 HET CMO A 155 2 HET SO4 A 313 5 HET SO4 A 314 5 HET SO4 A 315 5 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETNAM CMO CARBON MONOXIDE HETNAM SO4 SULFATE ION HETSYN HEM HEME FORMUL 2 HEM C34 H32 FE N4 O4 FORMUL 3 CMO C O FORMUL 4 SO4 3(O4 S 2-) FORMUL 7 HOH *258(H2 O) HELIX 1 A SER A 3 GLU A 18 1 16 HELIX 2 B ASP A 20 HIS A 36 1 17 HELIX 3 C PRO A 37 PHE A 43 5 7 HELIX 4 D THR A 51 SER A 58 1 8 HELIX 5 E SER A 58 LYS A 78 1 21 HELIX 6 F HIS A 82 LYS A 96 1 15 HELIX 7 G PRO A 100 HIS A 119 1 20 HELIX 8 H GLY A 124 GLY A 150 1 27 LINK NE2 HIS A 93 FE HEM A 154 1555 1555 2.10 SITE 1 AC1 8 SER A 3 GLU A 4 LYS A 34 THR A 51 SITE 2 AC1 8 GLU A 52 ALA A 53 HOH A2249 HOH A2250 SITE 1 AC2 7 GLY A 124 ALA A 125 ASP A 126 HOH A2252 SITE 2 AC2 7 HOH A2253 HOH A2254 HOH A2255 SITE 1 AC3 3 ALA A 15 LYS A 16 HOH A2258 SITE 1 AC4 21 LYS A 42 PHE A 43 ARG A 45 GLN A 64 SITE 2 AC4 21 ARG A 67 VAL A 68 ALA A 71 LEU A 89 SITE 3 AC4 21 SER A 92 HIS A 93 HIS A 97 ILE A 99 SITE 4 AC4 21 TYR A 103 LEU A 104 CMO A 155 HOH A2242 SITE 5 AC4 21 HOH A2244 HOH A2245 HOH A2246 HOH A2247 SITE 6 AC4 21 HOH A2248 SITE 1 AC5 4 TYR A 29 PHE A 43 VAL A 68 HEM A 154 CRYST1 90.610 90.610 45.330 90.00 90.00 120.00 P 6 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 0.011036 0.006372 0.000000 0.00000 SCALE2 0.000000 0.012744 0.000000 0.00000 SCALE3 0.000000 0.000000 0.022060 0.00000