4HHB - Header Asymmetric Unit

HEADER OXYGEN TRANSPORT 07-MAR-84 4HHB

TITLE THE CRYSTAL STRUCTURE OF HUMAN DEOXYHAEMOGLOBIN AT 1.74 ANGSTROMS TITLE 2 RESOLUTION

COMPND MOL_ID: 1; COMPND 2 MOLECULE: HEMOGLOBIN (DEOXY) (ALPHA CHAIN); COMPND 3 CHAIN: A, C; COMPND 4 ENGINEERED: YES; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: HEMOGLOBIN (DEOXY) (BETA CHAIN); COMPND 7 CHAIN: B, D; COMPND 8 ENGINEERED: YES

SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 MOL_ID: 2; SOURCE 6 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 7 ORGANISM_COMMON: HUMAN; SOURCE 8 ORGANISM_TAXID: 9606

KEYWDS OXYGEN TRANSPORT

EXPDTA X-RAY DIFFRACTION

AUTHOR G.FERMI,M.F.PERUTZ

REVDAT 5 13-JUL-11 4HHB 1 VERSN REVDAT 4 24-FEB-09 4HHB 1 VERSN REVDAT 3 01-APR-03 4HHB 1 JRNL REVDAT 2 15-OCT-89 4HHB 3 MTRIX REVDAT 1 17-JUL-84 4HHB 0

SPRSDE 17-JUL-84 4HHB 1HHB

JRNL AUTH G.FERMI,M.F.PERUTZ,B.SHAANAN,R.FOURME JRNL TITL THE CRYSTAL STRUCTURE OF HUMAN DEOXYHAEMOGLOBIN AT 1.74 A JRNL TITL 2 RESOLUTION JRNL REF J.MOL.BIOL. V. 175 159 1984 JRNL REFN ISSN 0022-2836 JRNL PMID 6726807 JRNL DOI 10.1016/0022-2836(84)90472-8

REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH M.F.PERUTZ,S.S.HASNAIN,P.J.DUKE,J.L.SESSLER,J.E.HAHN REMARK 1 TITL STEREOCHEMISTRY OF IRON IN DEOXYHAEMOGLOBIN REMARK 1 REF NATURE V. 295 535 1982 REMARK 1 REFN ISSN 0028-0836 REMARK 1 REFERENCE 2 REMARK 1 AUTH G.FERMI,M.F.PERUTZ REMARK 1 REF HAEMOGLOBIN AND MYOGLOBIN. V. 2 1981 REMARK 1 REF 2 ATLAS OF MOLECULAR REMARK 1 REF 3 STRUCTURES IN BIOLOGY REMARK 1 PUBL OXFORD UNIVERSITY PRESS REMARK 1 REFN REMARK 1 REFERENCE 3 REMARK 1 AUTH M.F.PERUTZ REMARK 1 TITL REGULATION OF OXYGEN AFFINITY OF HEMOGLOBIN. INFLUENCE OF REMARK 1 TITL 2 STRUCTURE OF THE GLOBIN ON THE HEME IRON REMARK 1 REF ANNU.REV.BIOCHEM. V. 48 327 1979 REMARK 1 REFN ISSN 0066-4154 REMARK 1 REFERENCE 4 REMARK 1 AUTH L.F.TENEYCK,A.ARNONE REMARK 1 TITL THREE-DIMENSIONAL FOURIER SYNTHESIS OF HUMAN DEOXYHEMOGLOBIN REMARK 1 TITL 2 AT 2.5 ANGSTROMS RESOLUTION, I.X-RAY ANALYSIS REMARK 1 REF J.MOL.BIOL. V. 100 3 1976 REMARK 1 REFN ISSN 0022-2836 REMARK 1 REFERENCE 5 REMARK 1 AUTH G.FERMI REMARK 1 TITL THREE-DIMENSIONAL FOURIER SYNTHESIS OF HUMAN REMARK 1 TITL 2 DEOXYHAEMOGLOBIN AT 2.5 ANGSTROMS RESOLUTION, REFINEMENT OF REMARK 1 TITL 3 THE ATOMIC MODEL REMARK 1 REF J.MOL.BIOL. V. 97 237 1975 REMARK 1 REFN ISSN 0022-2836 REMARK 1 REFERENCE 6 REMARK 1 AUTH H.MUIRHEAD,J.GREER REMARK 1 TITL THREE-DIMENSIONAL FOURIER SYNTHESIS OF HUMAN REMARK 1 TITL 2 DEOXYHAEMOGLOBIN AT 3.5 ANGSTROMS RESOLUTION REMARK 1 REF NATURE V. 228 516 1970 REMARK 1 REFN ISSN 0028-0836 REMARK 1 REFERENCE 7 REMARK 1 EDIT M.O.DAYHOFF REMARK 1 REF ATLAS OF PROTEIN SEQUENCE V. 5 56 1972 REMARK 1 REF 2 AND STRUCTURE (DATA SECTION) REMARK 1 PUBL NATIONAL BIOMEDICAL RESEARCH FOUNDATION, SILVER SPRING,MD. REMARK 1 REFN REMARK 1 REFERENCE 8 REMARK 1 EDIT M.O.DAYHOFF REMARK 1 REF ATLAS OF PROTEIN SEQUENCE V. 5 64 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. 1.74 ANGSTROMS.

REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : NULL REMARK 3 AUTHORS : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.74 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : NULL REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 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 SET) : 0.135 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 ESTIMATED ERROR OF FREE R VALUE : NULL 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) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 4384 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 174 REMARK 3 SOLVENT ATOMS : 221 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 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : NULL REMARK 3 BOND ANGLES (DEGREES) : NULL REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : 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 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: REMARK 3 THE COORDINATES GIVEN HERE ARE IN THE ORTHOGONAL ANGSTROM REMARK 3 SYSTEM STANDARD FOR HEMOGLOBINS. THE Y AXIS IS THE REMARK 3 (NON CRYSTALLOGRAPHIC) MOLECULAR DIAD AND THE X AXIS IS THE REMARK 3 PSEUDO DIAD WHICH RELATES THE ALPHA-1 AND BETA-1 CHAINS. REMARK 3 THE TRANSFORMATION GIVEN IN THE *MTRIX* RECORDS BELOW REMARK 3 WILL GENERATE COORDINATES FOR THE *C* AND *D* CHAINS FROM REMARK 3 THE *A* AND *B* CHAINS RESPECTIVELY.

REMARK 4 REMARK 4 4HHB COMPLIES WITH FORMAT V. 3.30, 13-JUL-11

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL.

REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : NULL REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : NULL REMARK 200 RADIATION SOURCE : NULL REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : NULL REMARK 200 WAVELENGTH OR RANGE (A) : NULL REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : NULL REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : NULL REMARK 200 RESOLUTION RANGE HIGH (A) : NULL REMARK 200 RESOLUTION RANGE LOW (A) : NULL REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : NULL REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL 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 <I/SIGMA(I)> FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL 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 (%): 45.48 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.26 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL

REMARK 285 REMARK 285 THE ENTRY COORDINATES REMARK 285 ARE NOT PRESENTED IN THE STANDARD CRYSTAL FRAME.

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 -0.949456 -0.312801 -0.025883 -6.64347 REMARK 290 SMTRY2 2 -0.312858 0.936202 0.160212 41.12228 REMARK 290 SMTRY3 2 -0.025884 0.160188 -0.986745 3.40218 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: TETRAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 11630 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 24010 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -98.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D 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 C VAL B 1 CA HIS B 2 1.63 REMARK 500 C PHE D 45 CA GLY D 46 1.78 REMARK 500 CB THR D 4 OE2 GLU D 6 2.00 REMARK 500 NZ LYS D 66 O1A HEM D 148 2.06 REMARK 500 OD2 ASP D 73 O HOH D 174 2.10 REMARK 500 OG1 THR D 4 OE2 GLU D 6 2.19 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 OD2 ASP C 85 O HOH B 204 2657 1.41 REMARK 500 O HOH B 204 O HOH C 161 2647 2.02 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 VAL A 1 N VAL A 1 CA -0.295 REMARK 500 VAL A 1 CA VAL A 1 CB 0.299 REMARK 500 VAL A 1 CB VAL A 1 CG1 -0.206 REMARK 500 VAL A 1 CB VAL A 1 CG2 -0.283 REMARK 500 LEU A 2 CA LEU A 2 C 0.249 REMARK 500 SER A 3 N SER A 3 CA 0.167 REMARK 500 SER A 3 CB SER A 3 OG -0.132 REMARK 500 LEU A 2 C SER A 3 N -0.320 REMARK 500 PRO A 4 N PRO A 4 CA -0.149 REMARK 500 PRO A 4 CA PRO A 4 CB 0.202 REMARK 500 SER A 3 C PRO A 4 N 0.282 REMARK 500 ALA A 5 N ALA A 5 CA -0.130 REMARK 500 ALA A 5 CA ALA A 5 CB 0.247 REMARK 500 PRO A 4 C ALA A 5 N 0.257 REMARK 500 LYS A 7 N LYS A 7 CA 0.157 REMARK 500 THR A 8 CA THR A 8 CB 0.178 REMARK 500 THR A 8 CB THR A 8 OG1 -0.173 REMARK 500 THR A 8 CB THR A 8 CG2 -0.245 REMARK 500 THR A 8 CA THR A 8 C -0.174 REMARK 500 LYS A 7 C THR A 8 N 0.258 REMARK 500 THR A 8 C ASN A 9 N 0.179 REMARK 500 VAL A 10 CB VAL A 10 CG2 -0.179 REMARK 500 VAL A 10 CA VAL A 10 C 0.160 REMARK 500 LYS A 11 N LYS A 11 CA 0.131 REMARK 500 LYS A 11 CA LYS A 11 CB -0.137 REMARK 500 LYS A 11 CB LYS A 11 CG -0.196 REMARK 500 LYS A 11 CG LYS A 11 CD -0.206 REMARK 500 LYS A 11 CD LYS A 11 CE 0.454 REMARK 500 ALA A 12 N ALA A 12 CA -0.133 REMARK 500 ALA A 12 C ALA A 12 O 0.225 REMARK 500 ALA A 13 CA ALA A 13 C 0.201 REMARK 500 TRP A 14 CA TRP A 14 CB 0.291 REMARK 500 TRP A 14 CB TRP A 14 CG -0.274 REMARK 500 TRP A 14 CG TRP A 14 CD1 0.306 REMARK 500 TRP A 14 CD1 TRP A 14 NE1 0.158 REMARK 500 TRP A 14 NE1 TRP A 14 CE2 -0.234 REMARK 500 TRP A 14 CE2 TRP A 14 CZ2 -0.243 REMARK 500 TRP A 14 CE2 TRP A 14 CD2 0.221 REMARK 500 TRP A 14 CH2 TRP A 14 CZ2 -0.217 REMARK 500 GLY A 15 CA GLY A 15 C 0.182 REMARK 500 GLY A 15 C GLY A 15 O 0.437 REMARK 500 LYS A 16 CB LYS A 16 CG 0.164 REMARK 500 LYS A 16 CG LYS A 16 CD 0.488 REMARK 500 LYS A 16 CD LYS A 16 CE 0.410 REMARK 500 LYS A 16 C LYS A 16 O -0.149 REMARK 500 GLY A 15 C LYS A 16 N -0.418 REMARK 500 VAL A 17 N VAL A 17 CA -0.191 REMARK 500 VAL A 17 CA VAL A 17 CB -0.168 REMARK 500 VAL A 17 CA VAL A 17 C 0.432 REMARK 500 VAL A 17 C VAL A 17 O -0.483 REMARK 500 REMARK 500 THIS ENTRY HAS 1271 BOND DEVIATIONS. 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 VAL A 1 CG1 - CB - CG2 ANGL. DEV. = 27.5 DEGREES REMARK 500 VAL A 1 CA - CB - CG2 ANGL. DEV. = -25.9 DEGREES REMARK 500 LEU A 2 N - CA - CB ANGL. DEV. = -17.9 DEGREES REMARK 500 LEU A 2 CB - CG - CD1 ANGL. DEV. = 13.0 DEGREES REMARK 500 LEU A 2 CA - C - O ANGL. DEV. = -21.8 DEGREES REMARK 500 VAL A 1 CA - C - N ANGL. DEV. = -13.3 DEGREES REMARK 500 VAL A 1 O - C - N ANGL. DEV. = 12.7 DEGREES REMARK 500 LEU A 2 C - N - CA ANGL. DEV. = -20.6 DEGREES REMARK 500 SER A 3 N - CA - CB ANGL. DEV. = -9.7 DEGREES REMARK 500 SER A 3 CA - C - O ANGL. DEV. = 15.9 DEGREES REMARK 500 LEU A 2 O - C - N ANGL. DEV. = 30.2 DEGREES REMARK 500 PRO A 4 CB - CA - C ANGL. DEV. = -30.7 DEGREES REMARK 500 PRO A 4 CA - CB - CG ANGL. DEV. = -15.7 DEGREES REMARK 500 PRO A 4 N - CD - CG ANGL. DEV. = -12.4 DEGREES REMARK 500 SER A 3 O - C - N ANGL. DEV. = -14.6 DEGREES REMARK 500 PRO A 4 C - N - CA ANGL. DEV. = -14.1 DEGREES REMARK 500 PRO A 4 C - N - CD ANGL. DEV. = -18.4 DEGREES REMARK 500 ALA A 5 CB - CA - C ANGL. DEV. = -10.8 DEGREES REMARK 500 PRO A 4 O - C - N ANGL. DEV. = -9.9 DEGREES REMARK 500 ASP A 6 CB - CG - OD1 ANGL. DEV. = 6.5 DEGREES REMARK 500 ASP A 6 CB - CG - OD2 ANGL. DEV. = -8.8 DEGREES REMARK 500 LYS A 7 N - CA - CB ANGL. DEV. = -13.5 DEGREES REMARK 500 LYS A 7 CD - CE - NZ ANGL. DEV. = -27.4 DEGREES REMARK 500 LYS A 7 N - CA - C ANGL. DEV. = 22.1 DEGREES REMARK 500 ASP A 6 O - C - N ANGL. DEV. = 14.8 DEGREES REMARK 500 LYS A 7 C - N - CA ANGL. DEV. = -20.2 DEGREES REMARK 500 THR A 8 CA - CB - CG2 ANGL. DEV. = -10.7 DEGREES REMARK 500 THR A 8 CA - C - O ANGL. DEV. = 21.3 DEGREES REMARK 500 LYS A 7 CA - C - N ANGL. DEV. = -20.1 DEGREES REMARK 500 THR A 8 C - N - CA ANGL. DEV. = -15.7 DEGREES REMARK 500 VAL A 10 O - C - N ANGL. DEV. = 11.4 DEGREES REMARK 500 ALA A 12 CB - CA - C ANGL. DEV. = -29.5 DEGREES REMARK 500 ALA A 12 N - CA - CB ANGL. DEV. = -14.5 DEGREES REMARK 500 ALA A 12 C - N - CA ANGL. DEV. = -22.9 DEGREES REMARK 500 ALA A 12 O - C - N ANGL. DEV. = -25.9 DEGREES REMARK 500 TRP A 14 CA - CB - CG ANGL. DEV. = -22.4 DEGREES REMARK 500 TRP A 14 CG - CD1 - NE1 ANGL. DEV. = -13.5 DEGREES REMARK 500 TRP A 14 CD1 - NE1 - CE2 ANGL. DEV. = 19.8 DEGREES REMARK 500 TRP A 14 NE1 - CE2 - CZ2 ANGL. DEV. = 11.2 DEGREES REMARK 500 TRP A 14 CH2 - CZ2 - CE2 ANGL. DEV. = 13.2 DEGREES REMARK 500 ALA A 13 O - C - N ANGL. DEV. = 13.6 DEGREES REMARK 500 GLY A 15 N - CA - C ANGL. DEV. = -24.3 DEGREES REMARK 500 GLY A 15 CA - C - O ANGL. DEV. = -21.6 DEGREES REMARK 500 GLY A 15 C - N - CA ANGL. DEV. = -19.0 DEGREES REMARK 500 LYS A 16 N - CA - CB ANGL. DEV. = 14.8 DEGREES REMARK 500 LYS A 16 CG - CD - CE ANGL. DEV. = -48.6 DEGREES REMARK 500 LYS A 16 CD - CE - NZ ANGL. DEV. = 17.9 DEGREES REMARK 500 GLY A 15 CA - C - N ANGL. DEV. = 25.6 DEGREES REMARK 500 GLY A 15 O - C - N ANGL. DEV. = -10.0 DEGREES REMARK 500 LYS A 16 C - N - CA ANGL. DEV. = 15.1 DEGREES REMARK 500 REMARK 500 THIS ENTRY HAS 1481 ANGLE DEVIATIONS. 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 SER A 3 -176.01 -60.80 REMARK 500 LYS A 16 -55.41 -1.55 REMARK 500 ALA A 21 -76.55 -47.40 REMARK 500 LEU A 48 40.81 -103.90 REMARK 500 SER A 52 150.87 -47.80 REMARK 500 HIS A 122 -70.12 -41.02 REMARK 500 THR B 4 -176.32 -55.07 REMARK 500 GLU B 7 -71.39 -64.26 REMARK 500 PHE B 45 -9.16 -52.07 REMARK 500 ASN B 80 59.72 -142.35 REMARK 500 TYR B 145 130.62 -35.71 REMARK 500 SER C 3 172.94 -57.29 REMARK 500 VAL C 17 -70.34 -65.44 REMARK 500 LEU C 48 32.06 -92.63 REMARK 500 ASP C 75 72.45 -151.27 REMARK 500 LYS C 90 -77.18 -122.52 REMARK 500 LEU C 113 71.25 -107.78 REMARK 500 LEU D 3 -163.80 -100.24 REMARK 500 ASN D 19 94.43 -63.05 REMARK 500 GLN D 39 0.49 -67.48 REMARK 500 SER D 72 -71.73 -40.75 REMARK 500 ASP D 73 -43.09 -22.67 REMARK 500 ALA D 76 7.73 -63.28 REMARK 500 HIS D 77 62.58 -172.71 REMARK 500 LEU D 78 -50.86 -25.69 REMARK 500 ASN D 80 85.05 -167.04 REMARK 500 HIS D 97 35.26 76.08 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS REMARK 500 REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH REMARK 500 CIS AND TRANS CONFORMATION. CIS BONDS, IF ANY, ARE LISTED REMARK 500 ON CISPEP RECORDS. TRANS IS DEFINED AS 180 +/- 30 AND REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES. REMARK 500 MODEL OMEGA REMARK 500 GLY A 18 ALA A 19 -145.49 REMARK 500 SER B 49 THR B 50 113.74 REMARK 500 LEU D 3 THR D 4 148.65 REMARK 500 VAL D 18 ASN D 19 148.41 REMARK 500 LEU D 48 SER D 49 -144.37 REMARK 500 SER D 49 THR D 50 143.57 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 HIS A 20 0.17 SIDE CHAIN REMARK 500 GLU A 23 0.25 SIDE CHAIN REMARK 500 TYR A 24 0.10 SIDE CHAIN REMARK 500 PHE A 36 0.09 SIDE CHAIN REMARK 500 HIS A 45 0.11 SIDE CHAIN REMARK 500 HIS A 50 0.20 SIDE CHAIN REMARK 500 GLN A 54 0.10 SIDE CHAIN REMARK 500 ASP A 64 0.14 SIDE CHAIN REMARK 500 HIS A 72 0.24 SIDE CHAIN REMARK 500 ASN A 78 0.08 SIDE CHAIN REMARK 500 ASP A 85 0.09 SIDE CHAIN REMARK 500 ARG A 92 0.08 SIDE CHAIN REMARK 500 ASP A 126 0.10 SIDE CHAIN REMARK 500 ARG A 141 0.08 SIDE CHAIN REMARK 500 HIS B 2 0.16 SIDE CHAIN REMARK 500 GLU B 6 0.16 SIDE CHAIN REMARK 500 ASN B 19 0.08 SIDE CHAIN REMARK 500 ASP B 21 0.15 SIDE CHAIN REMARK 500 GLU B 22 0.51 SIDE CHAIN REMARK 500 GLU B 26 0.38 SIDE CHAIN REMARK 500 ASP B 47 0.14 SIDE CHAIN REMARK 500 ASP B 52 0.19 SIDE CHAIN REMARK 500 HIS B 63 0.11 SIDE CHAIN REMARK 500 ASP B 79 0.11 SIDE CHAIN REMARK 500 ASN B 80 0.20 SIDE CHAIN REMARK 500 GLU B 90 0.15 SIDE CHAIN REMARK 500 ARG B 104 0.39 SIDE CHAIN REMARK 500 HIS B 117 0.22 SIDE CHAIN REMARK 500 PHE B 118 0.13 SIDE CHAIN REMARK 500 GLU B 121 0.26 SIDE CHAIN REMARK 500 HIS B 143 0.10 SIDE CHAIN REMARK 500 HIS B 146 0.31 SIDE CHAIN REMARK 500 ASN C 9 0.08 SIDE CHAIN REMARK 500 HIS C 20 0.14 SIDE CHAIN REMARK 500 GLU C 23 0.30 SIDE CHAIN REMARK 500 HIS C 45 0.10 SIDE CHAIN REMARK 500 PHE C 46 0.10 SIDE CHAIN REMARK 500 ASP C 47 0.15 SIDE CHAIN REMARK 500 ASP C 64 0.08 SIDE CHAIN REMARK 500 ASP C 75 0.07 SIDE CHAIN REMARK 500 ASN C 78 0.11 SIDE CHAIN REMARK 500 ARG C 92 0.20 SIDE CHAIN REMARK 500 GLU C 116 0.09 SIDE CHAIN REMARK 500 ASP C 126 0.11 SIDE CHAIN REMARK 500 ARG C 141 0.08 SIDE CHAIN REMARK 500 HIS D 2 0.10 SIDE CHAIN REMARK 500 GLU D 6 0.17 SIDE CHAIN REMARK 500 GLU D 7 0.10 SIDE CHAIN REMARK 500 ASN D 19 0.38 SIDE CHAIN REMARK 500 ASP D 21 0.18 SIDE CHAIN REMARK 500 REMARK 500 THIS ENTRY HAS 71 PLANE DEVIATIONS. REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: MAIN CHAIN PLANARITY REMARK 500 REMARK 500 THE FOLLOWING RESIDUES HAVE A PSEUDO PLANARITY REMARK 500 TORSION ANGLE, C(I) - CA(I) - N(I+1) - O(I), GREATER REMARK 500 10.0 DEGREES. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 500 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 500 I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI ANGLE REMARK 500 VAL A 1 -12.66 REMARK 500 SER A 3 -13.96 REMARK 500 PRO A 4 -17.06 REMARK 500 ASN A 9 10.02 REMARK 500 LYS A 11 -14.58 REMARK 500 ALA A 12 -29.94 REMARK 500 GLY A 15 25.08 REMARK 500 ALA A 19 -16.87 REMARK 500 ALA A 21 26.61 REMARK 500 GLY A 22 15.67 REMARK 500 THR A 41 10.65 REMARK 500 PHE A 46 -10.97 REMARK 500 LEU A 48 -25.01 REMARK 500 SER A 52 -10.23 REMARK 500 LYS A 56 14.67 REMARK 500 GLY A 59 -10.71 REMARK 500 LYS A 61 -11.09 REMARK 500 ALA A 63 -17.65 REMARK 500 ASP A 74 18.25 REMARK 500 ASP A 75 -17.02 REMARK 500 MET A 76 -10.23 REMARK 500 ASN A 78 -10.93 REMARK 500 SER A 81 -10.91 REMARK 500 ALA A 82 11.29 REMARK 500 LEU A 83 -10.53 REMARK 500 ASP A 85 -12.19 REMARK 500 ALA A 88 11.87 REMARK 500 LYS A 90 -14.75 REMARK 500 ASN A 97 -10.48 REMARK 500 LYS A 99 -15.40 REMARK 500 LEU A 101 -10.99 REMARK 500 LEU A 106 -10.02 REMARK 500 ALA A 111 10.63 REMARK 500 PRO A 114 -12.36 REMARK 500 THR A 118 -18.84 REMARK 500 HIS A 122 17.52 REMARK 500 VAL B 1 34.93 REMARK 500 LEU B 3 14.19 REMARK 500 THR B 4 -16.98 REMARK 500 GLU B 7 12.85 REMARK 500 LEU B 14 12.16 REMARK 500 ASP B 21 -10.62 REMARK 500 THR B 38 14.87 REMARK 500 GLU B 43 -24.15 REMARK 500 SER B 44 54.71 REMARK 500 ASP B 47 16.36 REMARK 500 SER B 49 -74.55 REMARK 500 GLY B 56 -31.39 REMARK 500 LYS B 59 -12.59 REMARK 500 VAL B 60 10.98 REMARK 500 REMARK 500 THIS ENTRY HAS 130 MAIN CHAIN PLANARITY DEVIATIONS. REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CHIRAL CENTERS REMARK 500 REMARK 500 UNEXPECTED CONFIGURATION OF THE FOLLOWING CHIRAL REMARK 500 CENTER(S) USING IMPROPER CA--C--CB--N CHIRALITY REMARK 500 FOR AMINO ACIDS AND C1'--O4'--N1(N9)--C2' FOR REMARK 500 NUCLEIC ACIDS OR EQUIVALENT ANGLE REMARK 500 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,A1,6X,F5.1,6X,A1,10X,A1,3X,A16) REMARK 500 REMARK 500 M RES CSSEQI IMPROPER EXPECTED FOUND DETAILS REMARK 500 SER A 3 47.5 L L OUTSIDE RANGE REMARK 500 LYS A 7 22.9 L L OUTSIDE RANGE REMARK 500 LYS A 16 14.6 L L OUTSIDE RANGE REMARK 500 VAL A 17 18.2 L L OUTSIDE RANGE REMARK 500 ALA A 26 18.6 L L OUTSIDE RANGE REMARK 500 PHE A 33 25.0 L L OUTSIDE RANGE REMARK 500 SER A 49 47.6 L L OUTSIDE RANGE REMARK 500 LYS A 56 14.8 L L OUTSIDE RANGE REMARK 500 LYS A 60 22.7 L L OUTSIDE RANGE REMARK 500 ALA A 71 48.3 L L OUTSIDE RANGE REMARK 500 PRO A 77 16.7 L L OUTSIDE RANGE REMARK 500 SER A 84 23.0 L L OUTSIDE RANGE REMARK 500 HIS A 89 23.9 L L OUTSIDE RANGE REMARK 500 LYS A 90 17.4 L L OUTSIDE RANGE REMARK 500 HIS A 103 22.3 L L OUTSIDE RANGE REMARK 500 ALA A 111 21.3 L L OUTSIDE RANGE REMARK 500 PRO A 114 49.5 L L OUTSIDE RANGE REMARK 500 PHE A 117 21.9 L L OUTSIDE RANGE REMARK 500 ALA A 120 20.3 L L OUTSIDE RANGE REMARK 500 HIS A 122 46.2 L L OUTSIDE RANGE REMARK 500 TYR A 140 23.5 L L OUTSIDE RANGE REMARK 500 PRO B 5 18.3 L L OUTSIDE RANGE REMARK 500 SER B 9 13.0 L L OUTSIDE RANGE REMARK 500 ALA B 13 23.4 L L OUTSIDE RANGE REMARK 500 LEU B 28 16.4 L L OUTSIDE RANGE REMARK 500 THR B 38 24.4 L L OUTSIDE RANGE REMARK 500 GLU B 43 46.6 L L OUTSIDE RANGE REMARK 500 ASP B 47 45.8 L L OUTSIDE RANGE REMARK 500 SER B 49 53.4 L L OUTSIDE RANGE REMARK 500 VAL B 60 24.9 L L OUTSIDE RANGE REMARK 500 LYS B 65 20.6 L L OUTSIDE RANGE REMARK 500 HIS B 77 47.6 L L OUTSIDE RANGE REMARK 500 ASP B 79 51.3 L L OUTSIDE RANGE REMARK 500 ASN B 80 45.3 L L OUTSIDE RANGE REMARK 500 LYS B 82 47.0 L L OUTSIDE RANGE REMARK 500 THR B 84 23.8 L L OUTSIDE RANGE REMARK 500 GLU B 90 11.1 L L OUTSIDE RANGE REMARK 500 LEU B 96 22.2 L L OUTSIDE RANGE REMARK 500 ASP B 99 47.0 L L OUTSIDE RANGE REMARK 500 HIS B 117 22.8 L L OUTSIDE RANGE REMARK 500 GLN B 127 23.5 L L OUTSIDE RANGE REMARK 500 VAL B 134 20.6 L L OUTSIDE RANGE REMARK 500 TYR B 145 13.6 L L OUTSIDE RANGE REMARK 500 VAL C 1 85.9 L L OUTSIDE RANGE REMARK 500 ALA C 5 23.1 L L OUTSIDE RANGE REMARK 500 ALA C 12 13.9 L L OUTSIDE RANGE REMARK 500 LYS C 16 18.8 L L OUTSIDE RANGE REMARK 500 VAL C 17 23.9 L L OUTSIDE RANGE REMARK 500 TYR C 24 23.1 L L OUTSIDE RANGE REMARK 500 ALA C 26 24.5 L L OUTSIDE RANGE REMARK 500 REMARK 500 THIS ENTRY HAS 97 CHIRALITY DEVIATIONS. REMARK 500 REMARK 500 REMARK: NULL

REMARK 610 REMARK 610 MISSING HETEROATOM REMARK 610 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 610 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 610 I=INSERTION CODE): REMARK 610 M RES C SSEQI REMARK 610 PO4 D 147 REMARK 610 PO4 B 147

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 142 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 87 NE2 REMARK 620 2 HEM A 142 NA 100.9 REMARK 620 3 HEM A 142 NB 100.3 86.2 REMARK 620 4 HEM A 142 NC 104.6 154.5 88.3 REMARK 620 5 HEM A 142 ND 106.5 90.3 153.2 83.5 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM B 148 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS B 92 NE2 REMARK 620 2 HEM B 148 NA 97.7 REMARK 620 3 HEM B 148 NB 97.1 88.7 REMARK 620 4 HEM B 148 NC 104.0 158.3 90.0 REMARK 620 5 HEM B 148 ND 103.6 91.0 159.1 82.6 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM C 142 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS C 87 NE2 REMARK 620 2 HEM C 142 NA 92.2 REMARK 620 3 HEM C 142 NB 93.3 83.8 REMARK 620 4 HEM C 142 NC 105.8 162.0 94.8 REMARK 620 5 HEM C 142 ND 103.5 88.9 161.9 87.1 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM D 148 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS D 92 NE2 REMARK 620 2 HEM D 148 NA 90.2 REMARK 620 3 HEM D 148 NB 102.2 88.3 REMARK 620 4 HEM D 148 NC 109.1 160.5 84.5 REMARK 620 5 HEM D 148 ND 97.7 89.1 159.9 91.4 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 PO4 D 147 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 B 147 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 142 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM B 148 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM C 142 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM D 148

REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2HHB RELATED DB: PDB REMARK 900 REFINED BY THE METHOD OF JACK AND LEVITT. THIS ENTRY REMARK 900 PRESENTS THE BEST ESTIMATE OF THE COORDINATES. REMARK 900 RELATED ID: 3HHB RELATED DB: PDB REMARK 900 SYMMETRY AVERAGED ABOUT THE (NON-CRYSTALLOGRAPHIC) REMARK 900 MOLECULAR AXIS AND THEN RE-REGULARIZED BY THE ENERGY REMARK 900 REFINEMENT METHOD OF LEVITT. THIS ENTRY PRESENTS REMARK 900 COORDINATES THAT ARE ADEQUATE FOR MOST PURPOSES, SUCH AS REMARK 900 COMPARISON WITH OTHER STRUCTURES. REMARK 900 RELATED ID: 1GLI RELATED DB: PDB

DBREF 4HHB A 1 141 UNP P69905 HBA_HUMAN 1 141 DBREF 4HHB B 1 146 UNP P68871 HBB_HUMAN 1 146 DBREF 4HHB C 1 141 UNP P69905 HBA_HUMAN 1 141 DBREF 4HHB D 1 146 UNP P68871 HBB_HUMAN 1 146

SEQRES 1 A 141 VAL LEU SER PRO ALA ASP LYS THR ASN VAL LYS ALA ALA SEQRES 2 A 141 TRP GLY LYS VAL GLY ALA HIS ALA GLY GLU TYR GLY ALA SEQRES 3 A 141 GLU ALA LEU GLU ARG MET PHE LEU SER PHE PRO THR THR SEQRES 4 A 141 LYS THR TYR PHE PRO HIS PHE ASP LEU SER HIS GLY SER SEQRES 5 A 141 ALA GLN VAL LYS GLY HIS GLY LYS LYS VAL ALA ASP ALA SEQRES 6 A 141 LEU THR ASN ALA VAL ALA HIS VAL ASP ASP MET PRO ASN SEQRES 7 A 141 ALA LEU SER ALA LEU SER ASP LEU HIS ALA HIS LYS LEU SEQRES 8 A 141 ARG VAL ASP PRO VAL ASN PHE LYS LEU LEU SER HIS CYS SEQRES 9 A 141 LEU LEU VAL THR LEU ALA ALA HIS LEU PRO ALA GLU PHE SEQRES 10 A 141 THR PRO ALA VAL HIS ALA SER LEU ASP LYS PHE LEU ALA SEQRES 11 A 141 SER VAL SER THR VAL LEU THR SER LYS TYR ARG SEQRES 1 B 146 VAL HIS LEU THR PRO GLU GLU LYS SER ALA VAL THR ALA SEQRES 2 B 146 LEU TRP GLY LYS VAL ASN VAL ASP GLU VAL GLY GLY GLU SEQRES 3 B 146 ALA LEU GLY ARG LEU LEU VAL VAL TYR PRO TRP THR GLN SEQRES 4 B 146 ARG PHE PHE GLU SER PHE GLY ASP LEU SER THR PRO ASP SEQRES 5 B 146 ALA VAL MET GLY ASN PRO LYS VAL LYS ALA HIS GLY LYS SEQRES 6 B 146 LYS VAL LEU GLY ALA PHE SER ASP GLY LEU ALA HIS LEU SEQRES 7 B 146 ASP ASN LEU LYS GLY THR PHE ALA THR LEU SER GLU LEU SEQRES 8 B 146 HIS CYS ASP LYS LEU HIS VAL ASP PRO GLU ASN PHE ARG SEQRES 9 B 146 LEU LEU GLY ASN VAL LEU VAL CYS VAL LEU ALA HIS HIS SEQRES 10 B 146 PHE GLY LYS GLU PHE THR PRO PRO VAL GLN ALA ALA TYR SEQRES 11 B 146 GLN LYS VAL VAL ALA GLY VAL ALA ASN ALA LEU ALA HIS SEQRES 12 B 146 LYS TYR HIS SEQRES 1 C 141 VAL LEU SER PRO ALA ASP LYS THR ASN VAL LYS ALA ALA SEQRES 2 C 141 TRP GLY LYS VAL GLY ALA HIS ALA GLY GLU TYR GLY ALA SEQRES 3 C 141 GLU ALA LEU GLU ARG MET PHE LEU SER PHE PRO THR THR SEQRES 4 C 141 LYS THR TYR PHE PRO HIS PHE ASP LEU SER HIS GLY SER SEQRES 5 C 141 ALA GLN VAL LYS GLY HIS GLY LYS LYS VAL ALA ASP ALA SEQRES 6 C 141 LEU THR ASN ALA VAL ALA HIS VAL ASP ASP MET PRO ASN SEQRES 7 C 141 ALA LEU SER ALA LEU SER ASP LEU HIS ALA HIS LYS LEU SEQRES 8 C 141 ARG VAL ASP PRO VAL ASN PHE LYS LEU LEU SER HIS CYS SEQRES 9 C 141 LEU LEU VAL THR LEU ALA ALA HIS LEU PRO ALA GLU PHE SEQRES 10 C 141 THR PRO ALA VAL HIS ALA SER LEU ASP LYS PHE LEU ALA SEQRES 11 C 141 SER VAL SER THR VAL LEU THR SER LYS TYR ARG SEQRES 1 D 146 VAL HIS LEU THR PRO GLU GLU LYS SER ALA VAL THR ALA SEQRES 2 D 146 LEU TRP GLY LYS VAL ASN VAL ASP GLU VAL GLY GLY GLU SEQRES 3 D 146 ALA LEU GLY ARG LEU LEU VAL VAL TYR PRO TRP THR GLN SEQRES 4 D 146 ARG PHE PHE GLU SER PHE GLY ASP LEU SER THR PRO ASP SEQRES 5 D 146 ALA VAL MET GLY ASN PRO LYS VAL LYS ALA HIS GLY LYS SEQRES 6 D 146 LYS VAL LEU GLY ALA PHE SER ASP GLY LEU ALA HIS LEU SEQRES 7 D 146 ASP ASN LEU LYS GLY THR PHE ALA THR LEU SER GLU LEU SEQRES 8 D 146 HIS CYS ASP LYS LEU HIS VAL ASP PRO GLU ASN PHE ARG SEQRES 9 D 146 LEU LEU GLY ASN VAL LEU VAL CYS VAL LEU ALA HIS HIS SEQRES 10 D 146 PHE GLY LYS GLU PHE THR PRO PRO VAL GLN ALA ALA TYR SEQRES 11 D 146 GLN LYS VAL VAL ALA GLY VAL ALA ASN ALA LEU ALA HIS SEQRES 12 D 146 LYS TYR HIS

HET PO4 D 147 1 HET PO4 B 147 1 HET HEM A 142 43 HET HEM B 148 43 HET HEM C 142 43 HET HEM D 148 43

HETNAM PO4 PHOSPHATE ION HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE

HETSYN HEM HEME

FORMUL 5 PO4 2(O4 P 3-) FORMUL 7 HEM 4(C34 H32 FE N4 O4) FORMUL 11 HOH *221(H2 O)

HELIX 1 AA SER A 3 GLY A 18 1 16 HELIX 2 AB HIS A 20 SER A 35 1 16 HELIX 3 AC PHE A 36 TYR A 42 1 7 HELIX 4 AD HIS A 50 GLY A 51 1DEGEN 2 RES HLX RETAIN HOMOL 2 HELIX 5 AE SER A 52 ALA A 71 1 20 HELIX 6 AF LEU A 80 ALA A 88 1 9 HELIX 7 AG ASP A 94 HIS A 112 1 19 HELIX 8 AH THR A 118 SER A 138 1 21 HELIX 9 BA THR B 4 VAL B 18 1 15 HELIX 10 BB ASN B 19 VAL B 34 1 16 HELIX 11 BC TYR B 35 PHE B 41 1 7 HELIX 12 BD THR B 50 GLY B 56 1 7 HELIX 13 BE ASN B 57 ALA B 76 1 20 HELIX 14 BF PHE B 85 CYS B 93 1 9 HELIX 15 BG ASP B 99 HIS B 117 1 19 HELIX 16 BH THR B 123 HIS B 143 1 21 HELIX 17 CA SER C 3 GLY C 18 1 16 HELIX 18 CB HIS C 20 SER C 35 1 16 HELIX 19 CC PHE C 36 TYR C 42 1 7 HELIX 20 CD HIS C 50 GLY C 51 1DEGEN 2 RES HLX RETAIN HOMOL 2 HELIX 21 CE SER C 52 ALA C 71 1 20 HELIX 22 CF LEU C 80 ALA C 88 1 9 HELIX 23 CG ASP C 94 HIS C 112 1 19 HELIX 24 CH THR C 118 SER C 138 1 21 HELIX 25 DA THR D 4 VAL D 18 1 15 HELIX 26 DB ASN D 19 VAL D 34 1 16 HELIX 27 DC TYR D 35 PHE D 41 1 7 HELIX 28 DD THR D 50 GLY D 56 1 7 HELIX 29 DE ASN D 57 ALA D 76 1 20 HELIX 30 DF PHE D 85 CYS D 93 1 9 HELIX 31 DG ASP D 99 HIS D 117 1 19 HELIX 32 DH THR D 123 HIS D 143 1 21

LINK NE2 HIS A 87 FE HEM A 142 1555 1555 2.14 LINK NE2 HIS B 92 FE HEM B 148 1555 1555 2.22 LINK NE2 HIS C 87 FE HEM C 142 1555 1555 2.26 LINK NE2 HIS D 92 FE HEM D 148 1555 1555 1.98

SITE 1 AC1 1 VAL D 1 SITE 1 AC2 1 HOH B 197 SITE 1 AC3 16 TYR A 42 PHE A 43 HIS A 45 PHE A 46 SITE 2 AC3 16 HIS A 58 LYS A 61 LEU A 86 HIS A 87 SITE 3 AC3 16 LEU A 91 VAL A 93 ASN A 97 PHE A 98 SITE 4 AC3 16 LEU A 101 LEU A 136 HOH A 144 HOH A 159 SITE 1 AC4 13 ALA A 53 HOH A 145 PHE B 41 HIS B 63 SITE 2 AC4 13 LYS B 66 VAL B 67 HIS B 92 LEU B 96 SITE 3 AC4 13 ASN B 102 PHE B 103 LEU B 141 HOH B 175 SITE 4 AC4 13 HOH B 193 SITE 1 AC5 15 TYR C 42 PHE C 43 HIS C 45 HIS C 58 SITE 2 AC5 15 LYS C 61 LEU C 83 LEU C 86 HIS C 87 SITE 3 AC5 15 LEU C 91 VAL C 93 ASN C 97 PHE C 98 SITE 4 AC5 15 LEU C 136 HOH C 149 HOH C 164 SITE 1 AC6 7 HIS D 63 LYS D 66 VAL D 67 HIS D 92 SITE 2 AC6 7 LEU D 96 ASN D 102 LEU D 141

CRYST1 63.150 83.590 53.800 90.00 99.34 90.00 P 1 21 1 4

ORIGX1 0.963457 0.136613 0.230424 16.61000

ORIGX2 -0.158977 0.983924 0.081383 13.72000

ORIGX3 -0.215598 -0.115048 0.969683 37.65000

SCALE1 0.015462 0.002192 0.003698 0.26656

SCALE2 -0.001902 0.011771 0.000974 0.16413

SCALE3 -0.001062 -0.001721 0.018728 0.75059

MTRIX1 1 -1.000000 0.000000 0.000000 0.00001 1

MTRIX2 1 0.000000 1.000000 0.000000 0.00002 1

MTRIX3 1 0.000000 0.000000 -1.000000 0.00002 1