HEADER OXYGEN STORAGE 11-OCT-89 2MB5 TITLE HYDRATION IN PROTEIN CRYSTALS. A NEUTRON DIFFRACTION ANALYSIS OF TITLE 2 CARBONMONOXYMYOGLOBIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: MYOGLOBIN; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: PHYSETER CATODON; SOURCE 3 ORGANISM_COMMON: SPERM WHALE; SOURCE 4 ORGANISM_TAXID: 9755 KEYWDS OXYGEN STORAGE EXPDTA NEUTRON DIFFRACTION AUTHOR B.P.SCHOENBORN,X.CHENG REVDAT 5 21-FEB-24 2MB5 1 LINK REVDAT 4 13-JUL-11 2MB5 1 VERSN REVDAT 3 24-FEB-09 2MB5 1 VERSN REVDAT 2 20-JUL-95 2MB5 1 EXPDTA REVDAT 1 15-APR-91 2MB5 0 SPRSDE 15-JAN-91 2MB5 1MB5 JRNL AUTH X.CHENG,B.P.SCHOENBORN JRNL TITL HYDRATION IN PROTEIN CRYSTALS. A NEUTRON DIFFRACTION JRNL TITL 2 ANALYSIS OF CARBONMONOXYMYOGLOBIN JRNL REF ACTA CRYSTALLOGR.,SECT.B V. 46 195 1990 JRNL REFN ISSN 0108-7681 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH J.C.HANSON,B.P.SCHOENBORN REMARK 1 TITL REAL SPACE REFINEMENT OF NEUTRON DIFFRACTION DATA FROM SPERM REMARK 1 TITL 2 WHALE CARBONMONOXYMYOGLOBIN REMARK 1 REF J.MOL.BIOL. V. 153 117 1981 REMARK 1 REFN ISSN 0022-2836 REMARK 1 REFERENCE 2 REMARK 1 AUTH B.P.SCHOENBORN,J.C.HANSON REMARK 1 TITL THE DETERMINATION OF STRUCTURAL WATER BY NEUTRON PROTEIN REMARK 1 TITL 2 CRYSTALLOGRAPHY. AN ANALYSIS OF THE CARBON MONOXIDE REMARK 1 TITL 3 MYOGLOBIN WATER STRUCTURE REMARK 1 REF ACS SYMP.SER. V. 127 215 1980 REMARK 1 REFN ISSN 0097-6156 REMARK 1 REFERENCE 3 REMARK 1 AUTH B.P.SCHOENBORN,J.C.NORVELL REMARK 1 TITL NEUTRON DIFFRACTION ANALYSIS AND REAL SPACE REFINEMENT OF REMARK 1 TITL 2 MET AND CARBON MONOXIDE MYOGLOBIN REMARK 1 REF ACTA CRYSTALLOGR.,SECT.A V. 31 32 1975 REMARK 1 REF 2 (SUPPLEMENT) REMARK 1 REFN ISSN 0567-7394 REMARK 1 REFERENCE 4 REMARK 1 AUTH B.P.SCHOENBORN,R.DIAMOND REMARK 1 TITL NEUTRON DIFFRACTION ANALYSIS OF METMYOGLOBIN REMARK 1 EDIT B.P.SCHOENBORN REMARK 1 REF BROOKHAVEN SYMPOSIA IN V. 27 3 1975 REMARK 1 REF 2 BIOLOGY REMARK 1 PUBL NATIONAL TECHNICAL INFORMATION SERVICE, SPRINGFIELD,VA. (BNL REMARK 1 PUBL 2 50453) REMARK 1 REFN REMARK 1 REFERENCE 5 REMARK 1 AUTH J.C.NORVELL,A.C.NUNES,B.P.SCHOENBORN REMARK 1 TITL NEUTRON DIFFRACTION ANALYSIS OF MYOGLOBIN. STRUCTURE OF THE REMARK 1 TITL 2 CARBON MONOXIDE DERIVATIVE REMARK 1 REF SCIENCE V. 190 568 1975 REMARK 1 REFN ISSN 0036-8075 REMARK 1 REFERENCE 6 REMARK 1 AUTH B.P.SCHOENBORN REMARK 1 TITL A NEUTRON DIFFRACTION ANALYSIS OF MYOGLOBIN. III. REMARK 1 TITL 2 HYDROGEN-DEUTERIUM BONDING IN SIDE CHAINS REMARK 1 REF COLD SPRING HARBOR V. 36 569 1972 REMARK 1 REF 2 SYMP.QUANT.BIOL. REMARK 1 REFN ISSN 0091-7451 REMARK 1 REFERENCE 7 REMARK 1 AUTH B.P.SCHOENBORN REMARK 1 TITL NEUTRON DIFFRACTION ANALYSIS OF MYOGLOBIN REMARK 1 REF NATURE V. 224 143 1969 REMARK 1 REFN ISSN 0028-0836 REMARK 1 REFERENCE 8 REMARK 1 EDIT M.O.DAYHOFF REMARK 1 REF ATLAS OF PROTEIN SEQUENCE V. 5 84 1972 REMARK 1 REF 2 AND STRUCTURE (DATA SECTION) REMARK 1 PUBL NATIONAL BIOMEDICAL RESEARCH FOUNDATION. SILVER SPRING,MD. REMARK 1 REFN REMARK 2 REMARK 2 RESOLUTION. 1.80 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PROLSQ REMARK 3 AUTHORS : KONNERT,HENDRICKSON REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : NULL REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : NULL REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING + TEST SET) : NULL REMARK 3 R VALUE (WORKING SET) : NULL REMARK 3 FREE R VALUE : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : NULL REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL WITH ALL DATA. REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : NULL REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : NULL REMARK 3 FREE R VALUE (NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1217 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 55 REMARK 3 SOLVENT ATOMS : 89 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL 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 COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : 0.006 ; NULL REMARK 3 ANGLE DISTANCE (A) : 0.039 ; 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 2MB5 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000178331. REMARK 230 REMARK 230 EXPERIMENTAL DETAILS REMARK 230 EXPERIMENT TYPE : NEUTRON DIFFRACTION REMARK 230 DATE OF DATA COLLECTION : NULL REMARK 230 TEMPERATURE (KELVIN) : NULL REMARK 230 PH : NULL REMARK 230 NUMBER OF CRYSTALS USED : NULL REMARK 230 REMARK 230 NEUTRON SOURCE : NULL REMARK 230 BEAMLINE : NULL REMARK 230 WAVELENGTH OR RANGE (A) : NULL REMARK 230 MONOCHROMATOR : NULL REMARK 230 OPTICS : NULL REMARK 230 REMARK 230 DETECTOR TYPE : NULL REMARK 230 DETECTOR MANUFACTURER : NULL REMARK 230 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 230 DATA SCALING SOFTWARE : NULL REMARK 230 REMARK 230 NUMBER OF UNIQUE REFLECTIONS : NULL REMARK 230 RESOLUTION RANGE HIGH (A) : NULL REMARK 230 RESOLUTION RANGE LOW (A) : NULL REMARK 230 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 230 REMARK 230 OVERALL. REMARK 230 COMPLETENESS FOR RANGE (%) : NULL REMARK 230 DATA REDUNDANCY : NULL REMARK 230 R MERGE (I) : NULL REMARK 230 R SYM (I) : NULL REMARK 230 FOR THE DATA SET : NULL REMARK 230 REMARK 230 IN THE HIGHEST RESOLUTION SHELL. REMARK 230 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL REMARK 230 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 230 COMPLETENESS FOR SHELL (%) : NULL REMARK 230 DATA REDUNDANCY IN SHELL : NULL REMARK 230 R MERGE FOR SHELL (I) : NULL REMARK 230 R SYM FOR SHELL (I) : NULL REMARK 230 FOR SHELL : NULL REMARK 230 REMARK 230 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 230 SOFTWARE USED : NULL REMARK 230 STARTING MODEL: NULL REMARK 230 REMARK 230 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): NULL REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): NULL REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 15.47500 REMARK 290 SMTRY3 2 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 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 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 DZ1 LYS A 16 OD1 ASP A 122 1.40 REMARK 500 OE2 GLU A 18 D2 DOD A 159 1.60 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 HE2 LYS A 96 OE2 GLU A 109 1565 0.91 REMARK 500 DZ1 LYS A 96 DZ3 LYS A 147 2555 1.04 REMARK 500 DZ1 LYS A 96 NZ LYS A 147 2555 1.49 REMARK 500 O ALA A 19 DZ2 LYS A 63 2646 1.53 REMARK 500 DH11 ARG A 139 O LYS A 147 2545 1.54 REMARK 500 OE1 GLU A 38 DZ2 LYS A 79 1554 1.57 REMARK 500 CE LYS A 96 OE2 GLU A 109 1565 1.94 REMARK 500 REMARK 500 REMARK: NULL 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 GLU A 52 CD GLU A 52 OE2 0.069 REMARK 500 GLU A 109 CD GLU A 109 OE2 0.066 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 A 27 CB - CG - OD1 ANGL. DEV. = 7.7 DEGREES REMARK 500 ASP A 27 CB - CG - OD2 ANGL. DEV. = -8.4 DEGREES REMARK 500 ASP A 44 CB - CG - OD2 ANGL. DEV. = -5.6 DEGREES REMARK 500 ARG A 45 NE - CZ - NH1 ANGL. DEV. = 4.2 DEGREES REMARK 500 LYS A 47 CD - CE - NZ ANGL. DEV. = 42.9 DEGREES REMARK 500 LYS A 56 CG - CD - CE ANGL. DEV. = 22.4 DEGREES REMARK 500 ASP A 60 CB - CG - OD2 ANGL. DEV. = -7.2 DEGREES REMARK 500 GLN A 91 CB - CA - C ANGL. DEV. = 17.5 DEGREES REMARK 500 ARG A 118 NE - CZ - NH2 ANGL. DEV. = 3.0 DEGREES REMARK 500 ASP A 122 CB - CG - OD2 ANGL. DEV. = -5.7 DEGREES REMARK 500 ASP A 126 CA - CB - CG ANGL. DEV. = 19.2 DEGREES REMARK 500 GLU A 136 N - CA - CB ANGL. DEV. = 17.0 DEGREES REMARK 500 ASP A 141 CB - CG - OD1 ANGL. DEV. = 9.9 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 LEU A 2 139.86 59.52 REMARK 500 LYS A 98 61.52 63.50 REMARK 500 PHE A 123 71.74 -110.12 REMARK 500 TYR A 151 13.13 -142.12 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 91.6 REMARK 620 3 HEM A 154 NB 95.8 88.7 REMARK 620 4 HEM A 154 NC 91.5 176.6 92.5 REMARK 620 5 HEM A 154 ND 87.3 91.4 176.9 87.2 REMARK 620 6 CMO A 155 C 170.3 97.6 81.3 79.4 95.6 REMARK 620 7 CMO A 155 C 170.3 97.6 81.3 79.4 95.6 0.0 REMARK 620 N 1 2 3 4 5 6 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: HMB REMARK 800 EVIDENCE_CODE: AUTHOR REMARK 800 SITE_DESCRIPTION: HEME binding site DBREF 2MB5 A 1 153 UNP P02185 MYG_PHYCA 1 153 SEQRES 1 A 153 VAL LEU SER GLU GLY GLU TRP GLN LEU VAL LEU HIS VAL SEQRES 2 A 153 TRP ALA LYS VAL GLU ALA ASP VAL ALA GLY HIS GLY GLN SEQRES 3 A 153 ASP ILE LEU ILE ARG LEU PHE LYS SER HIS PRO GLU THR SEQRES 4 A 153 LEU GLU LYS PHE ASP ARG PHE LYS HIS LEU LYS THR GLU SEQRES 5 A 153 ALA GLU MET LYS ALA SER GLU ASP LEU LYS LYS HIS GLY SEQRES 6 A 153 VAL THR VAL LEU THR ALA LEU GLY ALA ILE LEU LYS LYS SEQRES 7 A 153 LYS GLY HIS HIS GLU ALA GLU LEU LYS PRO LEU ALA GLN SEQRES 8 A 153 SER HIS ALA THR LYS HIS LYS ILE PRO ILE LYS TYR LEU SEQRES 9 A 153 GLU PHE ILE SER GLU ALA ILE ILE HIS VAL LEU HIS SER SEQRES 10 A 153 ARG HIS PRO GLY ASP PHE GLY ALA ASP ALA GLN GLY ALA SEQRES 11 A 153 MET ASN LYS ALA LEU GLU LEU PHE ARG LYS ASP ILE ALA SEQRES 12 A 153 ALA LYS TYR LYS GLU LEU GLY TYR GLN GLY HET SO4 A 174 5 HET ND4 A 178 5 HET ND4 A 209 5 HET ND4 A 218 5 HET ND4 A 248 5 HET ND4 A 283 5 HET HEM A 154 73 HET CMO A 155 4 HETNAM SO4 SULFATE ION HETNAM ND4 AMMONIUM CATION WITH D HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETNAM CMO CARBON MONOXIDE HETSYN HEM HEME FORMUL 2 SO4 O4 S 2- FORMUL 3 ND4 5(N 1+) FORMUL 8 HEM C34 H32 FE N4 O4 FORMUL 9 CMO C O FORMUL 10 DOD *89(D2 O) HELIX 1 A SER A 3 GLU A 18 1 16 HELIX 2 B ASP A 20 SER A 35 1 16 HELIX 3 C HIS A 36 LYS A 42 1 7 HELIX 4 D THR A 51 ALA A 57 1 7 HELIX 5 E SER A 58 LYS A 77 1 20 HELIX 6 F LEU A 86 ALA A 94 1 9 HELIX 7 G PRO A 100 ARG A 118 1 19 HELIX 8 H ALA A 125 GLU A 148 1 24 LINK NE2 HIS A 93 FE HEM A 154 1555 1555 2.27 LINK FE HEM A 154 C ACMO A 155 1555 1555 2.12 LINK FE HEM A 154 C BCMO A 155 1555 1555 2.12 SITE 1 HMB 9 PHE A 43 ARG A 45 HIS A 64 VAL A 68 SITE 2 HMB 9 ALA A 71 HIS A 93 HIS A 97 LEU A 104 SITE 3 HMB 9 ILE A 107 CRYST1 64.610 30.950 34.860 90.00 105.78 90.00 P 1 21 1 2 ORIGX1 0.015477 0.000000 0.004374 0.00000 ORIGX2 0.000000 0.032310 0.000000 0.00000 ORIGX3 0.000000 0.000000 0.029810 0.00000 SCALE1 0.015477 0.000000 0.004374 0.00000 SCALE2 0.000000 0.032310 0.000000 0.00000 SCALE3 0.000000 0.000000 0.029810 0.00000