HEADER TRANSPORT PROTEIN 20-FEB-06 2G3H TITLE CYANIDE BINDING AND HEME CAVITY CONFORMATIONAL TRANSITIONS IN TITLE 2 DROSOPHILA MELANOGASTER HEXA-COORDINATE HEMOGLOBIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: GLOBIN; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES; COMPND 5 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: DROSOPHILA MELANOGASTER; SOURCE 3 ORGANISM_COMMON: FRUIT FLY; SOURCE 4 ORGANISM_TAXID: 7227; SOURCE 5 GENE: GLOB1; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS DROSOPHILA MELANOGASTER HEMOGLOBIN STRUCTURE; HEXA-COORDINATE KEYWDS 2 HEMOGLOBIN; CYANIDE BINDING TO HEMOGLOBIN; HEME DISTAL SITE KEYWDS 3 STRUCTURE; FRUIT FLY HEMOGLOBIN, TRANSPORT PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR D.DE SANCTIS,P.ASCENZI,A.BOCEDI,S.DEWILDE,T.BURMESTER,T.HANKELN, AUTHOR 2 L.MOENS,M.BOLOGNESI REVDAT 5 14-FEB-24 2G3H 1 REMARK REVDAT 4 20-OCT-21 2G3H 1 REMARK SEQADV LINK REVDAT 3 18-DEC-19 2G3H 1 REMARK LINK REVDAT 2 24-FEB-09 2G3H 1 VERSN REVDAT 1 03-OCT-06 2G3H 0 JRNL AUTH D.DE SANCTIS,P.ASCENZI,A.BOCEDI,S.DEWILDE,T.BURMESTER, JRNL AUTH 2 T.HANKELN,L.MOENS,M.BOLOGNESI JRNL TITL CYANIDE BINDING AND HEME CAVITY CONFORMATIONAL TRANSITIONS JRNL TITL 2 IN DROSOPHILA MELANOGASTER HEXACOORDINATE HEMOGLOBIN. JRNL REF BIOCHEMISTRY V. 45 10054 2006 JRNL REFN ISSN 0006-2960 JRNL PMID 16906763 JRNL DOI 10.1021/BI060462A REMARK 2 REMARK 2 RESOLUTION. 1.40 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.2.0005 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) : 1.40 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 15.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 3 NUMBER OF REFLECTIONS : 30438 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) : 0.156 REMARK 3 R VALUE (WORKING SET) : 0.154 REMARK 3 FREE R VALUE : 0.188 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 1622 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) : 1.40 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.44 REMARK 3 REFLECTION IN BIN (WORKING SET) : 2216 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 100.0 REMARK 3 BIN R VALUE (WORKING SET) : 0.1790 REMARK 3 BIN FREE R VALUE SET COUNT : 116 REMARK 3 BIN FREE R VALUE : 0.2100 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1207 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 48 REMARK 3 SOLVENT ATOMS : 267 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 6.48 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.27000 REMARK 3 B22 (A**2) : 0.01000 REMARK 3 B33 (A**2) : 0.24000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -0.10000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.070 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.062 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.034 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.789 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.959 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.944 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1400 ; 0.015 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): 926 ; 0.002 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 1930 ; 1.504 ; 2.053 REMARK 3 BOND ANGLES OTHERS (DEGREES): 2261 ; 1.012 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 176 ; 4.569 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 61 ;36.973 ;24.754 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 235 ;10.705 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 8 ;20.806 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 208 ; 0.088 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1594 ; 0.009 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 271 ; 0.002 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 365 ; 0.252 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): 997 ; 0.189 ; 0.200 REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 699 ; 0.188 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): 634 ; 0.086 ; 0.200 REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 165 ; 0.201 ; 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): 8 ; 0.221 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): 53 ; 0.290 ; 0.200 REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 36 ; 0.449 ; 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): 1098 ; 1.509 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 335 ; 0.695 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1379 ; 1.792 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 656 ; 2.848 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 547 ; 3.763 ; 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): 1754 ; 1.694 ; 3.000 REMARK 3 SPHERICITY; FREE ATOMS (A**2): 261 ; 6.617 ; 3.000 REMARK 3 SPHERICITY; BONDED ATOMS (A**2): 1361 ; 2.916 ; 3.000 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 : 1.40 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 2G3H COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 27-FEB-06. REMARK 100 THE DEPOSITION ID IS D_1000036641. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 10-FEB-05 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 10 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : ID23-1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.98400 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : CCP4 (SCALA) REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 32118 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.400 REMARK 200 RESOLUTION RANGE LOW (A) : 35.530 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL 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) : 1.48 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 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 (%): 48.46 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.39 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 34% PEG 4K, 0.2M MAGNESIUM CHLORIDE, REMARK 280 0.05M CAPS, PH 10, VAPOR DIFFUSION, TEMPERATURE 277K 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 16.85600 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 300 REMARK: THE BIOLOGICAL ASSEMBLY IS THE MONOMER IN THE ASIMMETRIC REMARK 300 UNIT 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 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 5092 O HOH A 5266 1.32 REMARK 500 O HOH A 5119 O HOH A 5270 1.51 REMARK 500 NH2 ARG A 34 O HOH A 5247 2.12 REMARK 500 O HOH A 5179 O HOH A 5204 2.12 REMARK 500 CD1 LEU A 109 O HOH A 5260 2.17 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 5028 O HOH A 5271 2645 1.29 REMARK 500 O HOH A 5094 O HOH A 5268 2555 1.36 REMARK 500 O HOH A 5043 O HOH A 5267 2545 1.42 REMARK 500 CL CL A 163 O HOH A 5267 2545 2.19 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 A5190 DISTANCE = 6.79 ANGSTROMS REMARK 525 HOH A5195 DISTANCE = 6.10 ANGSTROMS REMARK 525 HOH A5201 DISTANCE = 6.14 ANGSTROMS REMARK 525 HOH A5222 DISTANCE = 5.89 ANGSTROMS REMARK 525 HOH A5236 DISTANCE = 5.92 ANGSTROMS REMARK 525 HOH A5239 DISTANCE = 6.39 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 MG A 162 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 14 OE1 REMARK 620 2 HOH A5011 O 89.4 REMARK 620 3 HOH A5012 O 91.7 178.6 REMARK 620 4 HOH A5013 O 95.6 89.1 89.8 REMARK 620 5 HOH A5014 O 85.4 91.4 89.6 178.9 REMARK 620 6 HOH A5015 O 172.5 89.3 89.8 91.8 87.3 REMARK 620 N 1 2 3 4 5 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 96 NE2 REMARK 620 2 HEM A 154 NA 90.5 REMARK 620 3 HEM A 154 NB 89.5 87.6 REMARK 620 4 HEM A 154 NC 89.2 179.5 91.9 REMARK 620 5 HEM A 154 ND 89.3 91.2 178.3 89.3 REMARK 620 6 CYN A1802 C 176.6 92.8 89.9 87.5 91.3 REMARK 620 N 1 2 3 4 5 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL A 161 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL A 163 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 162 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CYN A 1802 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 154 DBREF 2G3H A 1 153 GB 24647276 NP_732081 1 153 SEQADV 2G3H SER A 121 GB 24647276 CYS 121 ENGINEERED MUTATION SEQRES 1 A 153 MET ASN SER ASP GLU VAL GLN LEU ILE LYS LYS THR TRP SEQRES 2 A 153 GLU ILE PRO VAL ALA THR PRO THR ASP SER GLY ALA ALA SEQRES 3 A 153 ILE LEU THR GLN PHE PHE ASN ARG PHE PRO SER ASN LEU SEQRES 4 A 153 GLU LYS PHE PRO PHE ARG ASP VAL PRO LEU GLU GLU LEU SEQRES 5 A 153 SER GLY ASN ALA ARG PHE ARG ALA HIS ALA GLY ARG ILE SEQRES 6 A 153 ILE ARG VAL PHE ASP GLU SER ILE GLN VAL LEU GLY GLN SEQRES 7 A 153 ASP GLY ASP LEU GLU LYS LEU ASP GLU ILE TRP THR LYS SEQRES 8 A 153 ILE ALA VAL SER HIS ILE PRO ARG THR VAL SER LYS GLU SEQRES 9 A 153 SER TYR ASN GLN LEU LYS GLY VAL ILE LEU ASP VAL LEU SEQRES 10 A 153 THR ALA ALA SER SER LEU ASP GLU SER GLN ALA ALA THR SEQRES 11 A 153 TRP ALA LYS LEU VAL ASP HIS VAL TYR GLY ILE ILE PHE SEQRES 12 A 153 LYS ALA ILE ASP ASP ASP GLY ASN ALA LYS HET CL A 161 1 HET CL A 163 1 HET MG A 162 1 HET CYN A1802 2 HET HEM A 154 43 HETNAM CL CHLORIDE ION HETNAM MG MAGNESIUM ION HETNAM CYN CYANIDE ION HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETSYN HEM HEME FORMUL 2 CL 2(CL 1-) FORMUL 4 MG MG 2+ FORMUL 5 CYN C N 1- FORMUL 6 HEM C34 H32 FE N4 O4 FORMUL 7 HOH *267(H2 O) HELIX 1 1 ASN A 2 ALA A 18 1 17 HELIX 2 2 THR A 19 PHE A 35 1 17 HELIX 3 3 PRO A 36 PHE A 42 5 7 HELIX 4 4 GLU A 51 GLY A 54 5 4 HELIX 5 5 ASN A 55 LEU A 76 1 22 HELIX 6 6 GLY A 80 ILE A 97 1 18 HELIX 7 7 PRO A 98 THR A 100 5 3 HELIX 8 8 SER A 102 SER A 121 1 20 HELIX 9 9 ASP A 124 ALA A 145 1 22 LINK OE1 GLU A 14 MG MG A 162 1555 1555 2.16 LINK NE2 HIS A 96 FE HEM A 154 1555 1555 2.06 LINK FE HEM A 154 C CYN A1802 1555 1555 2.06 LINK MG MG A 162 O HOH A5011 1555 1555 2.16 LINK MG MG A 162 O HOH A5012 1555 1555 2.16 LINK MG MG A 162 O HOH A5013 1555 1555 2.17 LINK MG MG A 162 O HOH A5014 1555 1555 2.16 LINK MG MG A 162 O HOH A5015 1555 1555 2.17 SITE 1 AC1 3 PHE A 35 PRO A 36 SER A 37 SITE 1 AC2 5 THR A 19 PRO A 20 THR A 21 ASP A 22 SITE 2 AC2 5 HOH A5081 SITE 1 AC3 6 GLU A 14 HOH A5011 HOH A5012 HOH A5013 SITE 2 AC3 6 HOH A5014 HOH A5015 SITE 1 AC4 3 HIS A 61 ILE A 65 HEM A 154 SITE 1 AC5 21 ASN A 38 LYS A 41 PHE A 42 PRO A 43 SITE 2 AC5 21 ARG A 57 HIS A 61 VAL A 68 TRP A 89 SITE 3 AC5 21 SER A 95 HIS A 96 ARG A 99 VAL A 101 SITE 4 AC5 21 SER A 105 TYR A 106 LEU A 109 CYN A1802 SITE 5 AC5 21 HOH A5016 HOH A5019 HOH A5061 HOH A5206 SITE 6 AC5 21 HOH A5233 CRYST1 43.314 33.712 56.059 90.00 94.43 90.00 P 1 21 1 2 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 0.023087 0.000000 0.001789 0.00000 SCALE2 0.000000 0.029663 0.000000 0.00000 SCALE3 0.000000 0.000000 0.017892 0.00000