HEADER BINDING PROTEIN 27-MAY-99 1QHU TITLE MAMMALIAN BLOOD SERUM HAEMOPEXIN DEGLYCOSYLATED AND IN COMPLEX WITH TITLE 2 ITS LIGAND HAEM COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROTEIN (HEMOPEXIN); COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: BETA-PROPELLER DOMAIN; COMPND 5 OTHER_DETAILS: COVALENT LINK BETWEEN FE OF HAEM LIGAND AND I) NE2 OF COMPND 6 HIS 213 AND II) NE2 OF HIS 265 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ORYCTOLAGUS CUNICULUS; SOURCE 3 ORGANISM_COMMON: RABBIT; SOURCE 4 ORGANISM_TAXID: 9986; SOURCE 5 TISSUE: BLOOD SERUM KEYWDS BETA PROPELLER, HAEM BINDING AND TRANSPORT, IRON METABOLISM, BINDING KEYWDS 2 PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR M.PAOLI,H.M.BAKER,W.T.MORGAN,A.SMITH,E.N.BAKER REVDAT 7 13-NOV-24 1QHU 1 REMARK REVDAT 6 16-AUG-23 1QHU 1 REMARK REVDAT 5 04-OCT-17 1QHU 1 REMARK REVDAT 4 24-FEB-09 1QHU 1 VERSN REVDAT 3 01-APR-03 1QHU 1 JRNL REVDAT 2 13-OCT-99 1QHU 1 SITE REVDAT 1 06-OCT-99 1QHU 0 JRNL AUTH M.PAOLI,B.F.ANDERSON,H.M.BAKER,W.T.MORGAN,A.SMITH,E.N.BAKER JRNL TITL CRYSTAL STRUCTURE OF HEMOPEXIN REVEALS A NOVEL HIGH-AFFINITY JRNL TITL 2 HEME SITE FORMED BETWEEN TWO BETA-PROPELLER DOMAINS. JRNL REF NAT.STRUCT.BIOL. V. 6 926 1999 JRNL REFN ISSN 1072-8368 JRNL PMID 10504726 JRNL DOI 10.1038/13294 REMARK 2 REMARK 2 RESOLUTION. 2.30 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) : 2.30 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.500 REMARK 3 COMPLETENESS FOR RANGE (%) : 94.7 REMARK 3 NUMBER OF REFLECTIONS : 19233 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) : 0.201 REMARK 3 R VALUE (WORKING SET) : 0.207 REMARK 3 FREE R VALUE : 0.289 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 951 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3199 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 54 REMARK 3 SOLVENT ATOMS : 210 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 38.00 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 35.00 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): 1.290 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.330 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 ; 0.020 REMARK 3 ANGLE DISTANCE (A) : 0.032 ; 0.040 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) : 0.183 ; 0.300 REMARK 3 MULTIPLE TORSION (A) : 0.211 ; 0.300 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) : 17.700; 20.000 REMARK 3 STAGGERED (DEGREES) : 23.800; 30.000 REMARK 3 TRANSVERSE (DEGREES) : 27.000; 50.000 REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.094 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.839 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 1.697 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 2.506 ; 2.500 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: REMARK 3 ELECTRON DENSITY FOR RESIDUES ARG 214, SER 215 AND HIS 222 REMARK 3 IS POORLY DEFINED REMARK 4 REMARK 4 1QHU COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 01-JUN-99. REMARK 100 THE DEPOSITION ID IS D_1000001124. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : FEB-97 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.5 REMARK 200 NUMBER OF CRYSTALS USED : 2 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRL REMARK 200 BEAMLINE : BL7-1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.08 REMARK 200 MONOCHROMATOR : CYCLINDRICALLY BENT TRIANGULAR REMARK 200 SI(111) REMARK 200 OPTICS : COLLIMATOR REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO, CCP4 AGROVATA-ROTAVATA REMARK 200 DATA SCALING SOFTWARE : CCP4 (AGROVATA, ROTAVATA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 19233 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.300 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 94.7 REMARK 200 DATA REDUNDANCY : 2.400 REMARK 200 R MERGE (I) : 0.09000 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 6.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.30 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.42 REMARK 200 COMPLETENESS FOR SHELL (%) : 77.0 REMARK 200 DATA REDUNDANCY IN SHELL : 2.10 REMARK 200 R MERGE FOR SHELL (I) : 0.32400 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 2.100 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE, MAMA, MAVE REMARK 200 STARTING MODEL: 1HXN AND 1FBL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 35.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.92 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: HANGING DROP, 4 DEGREES CENTIGRADES, REMARK 280 RESEVOIR SOLUTION: 19-22% PEG 4000, 0.05 M TRIS HCL PH 7.5, 0.05- REMARK 280 0.5 M EDTA, 0.2 NACL PROTEIN COMPLEX SOLUTION: 40 MG/ ML IN 0.05 REMARK 280 M TRIS PH 7.0 AND 0.2 M NACL 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 30.97500 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 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 PROTEIN WAS DEGLYSOSYLATED PRIOR TO CRYSTALLISATION 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 MET A -24 REMARK 465 VAL A -23 REMARK 465 LYS A -22 REMARK 465 ALA A -21 REMARK 465 SER A -20 REMARK 465 GLY A -19 REMARK 465 ILE A -18 REMARK 465 PRO A -17 REMARK 465 ILE A -16 REMARK 465 ALA A -15 REMARK 465 LEU A -14 REMARK 465 GLY A -13 REMARK 465 VAL A -12 REMARK 465 TRP A -11 REMARK 465 GLY A -10 REMARK 465 LEU A -9 REMARK 465 CYS A -8 REMARK 465 TRP A -7 REMARK 465 SER A -6 REMARK 465 LEU A -5 REMARK 465 ALA A -4 REMARK 465 THR A -3 REMARK 465 VAL A -2 REMARK 465 ASN A -1 REMARK 465 SER A 0 REMARK 465 VAL A 1 REMARK 465 PRO A 2 REMARK 465 LEU A 3 REMARK 465 THR A 4 REMARK 465 SER A 5 REMARK 465 ALA A 6 REMARK 465 HIS A 7 REMARK 465 GLY A 8 REMARK 465 ASN A 9 REMARK 465 VAL A 10 REMARK 465 THR A 11 REMARK 465 GLU A 12 REMARK 465 GLY A 13 REMARK 465 GLU A 14 REMARK 465 SER A 15 REMARK 465 GLY A 16 REMARK 465 THR A 17 REMARK 465 LYS A 18 REMARK 465 PRO A 19 REMARK 465 GLU A 20 REMARK 465 ALA A 21 REMARK 465 ASP A 22 REMARK 465 VAL A 23 REMARK 465 GLU A 99 REMARK 465 LYS A 100 REMARK 465 ASN A 101 REMARK 465 GLU A 102 REMARK 465 LYS A 103 REMARK 465 VAL A 104 REMARK 465 TYR A 105 REMARK 465 SER A 215A REMARK 465 HIS A 215B REMARK 465 ARG A 215C REMARK 465 ASN A 215D REMARK 465 SER A 215E REMARK 465 THR A 215F REMARK 465 GLN A 215G REMARK 480 REMARK 480 ZERO OCCUPANCY ATOM REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 480 M RES C SSEQI ATOMS REMARK 480 HIS A 434 O 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 ARG A 214 N SER A 215 1.70 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 HIS A 222 N HIS A 222 CA -0.170 REMARK 500 HIS A 222 CA HIS A 222 C 0.170 REMARK 500 GLY A 223 N GLY A 223 CA 0.131 REMARK 500 GLY A 223 CA GLY A 223 C 0.101 REMARK 500 HIS A 224 N HIS A 224 CA 0.176 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 39 CB - CG - OD1 ANGL. DEV. = 5.4 DEGREES REMARK 500 LYS A 48 CA - CB - CG ANGL. DEV. = 14.8 DEGREES REMARK 500 ARG A 60 NE - CZ - NH2 ANGL. DEV. = 4.6 DEGREES REMARK 500 ARG A 66 CD - NE - CZ ANGL. DEV. = 9.6 DEGREES REMARK 500 ARG A 66 NE - CZ - NH1 ANGL. DEV. = 3.8 DEGREES REMARK 500 ARG A 79 NE - CZ - NH1 ANGL. DEV. = -3.1 DEGREES REMARK 500 ARG A 79 NE - CZ - NH2 ANGL. DEV. = 4.2 DEGREES REMARK 500 ASP A 91 CB - CG - OD1 ANGL. DEV. = 5.4 DEGREES REMARK 500 PHE A 118 CA - C - O ANGL. DEV. = -16.1 DEGREES REMARK 500 PRO A 119 N - CA - CB ANGL. DEV. = 8.0 DEGREES REMARK 500 CYS A 126 CA - CB - SG ANGL. DEV. = -12.4 DEGREES REMARK 500 ARG A 128 NE - CZ - NH1 ANGL. DEV. = 5.3 DEGREES REMARK 500 ARG A 128 NE - CZ - NH2 ANGL. DEV. = -6.7 DEGREES REMARK 500 SER A 167 N - CA - CB ANGL. DEV. = 12.3 DEGREES REMARK 500 LEU A 169 CA - CB - CG ANGL. DEV. = 30.8 DEGREES REMARK 500 ARG A 174 CD - NE - CZ ANGL. DEV. = 8.5 DEGREES REMARK 500 ARG A 174 NE - CZ - NH2 ANGL. DEV. = -3.8 DEGREES REMARK 500 TYR A 197 CA - C - O ANGL. DEV. = -18.2 DEGREES REMARK 500 TYR A 197 O - C - N ANGL. DEV. = 12.5 DEGREES REMARK 500 TYR A 204 CB - CG - CD2 ANGL. DEV. = 3.6 DEGREES REMARK 500 SER A 207 N - CA - CB ANGL. DEV. = 12.6 DEGREES REMARK 500 ARG A 211 NH1 - CZ - NH2 ANGL. DEV. = 6.8 DEGREES REMARK 500 ARG A 211 NE - CZ - NH2 ANGL. DEV. = -7.3 DEGREES REMARK 500 ARG A 214 NH1 - CZ - NH2 ANGL. DEV. = -8.0 DEGREES REMARK 500 ARG A 214 NE - CZ - NH2 ANGL. DEV. = 5.4 DEGREES REMARK 500 ARG A 214 CA - C - O ANGL. DEV. = -19.6 DEGREES REMARK 500 ARG A 214 CA - C - N ANGL. DEV. = 56.8 DEGREES REMARK 500 ARG A 214 O - C - N ANGL. DEV. = -42.0 DEGREES REMARK 500 SER A 215 CA - C - O ANGL. DEV. = -14.8 DEGREES REMARK 500 HIS A 222 N - CA - CB ANGL. DEV. = 27.4 DEGREES REMARK 500 HIS A 222 O - C - N ANGL. DEV. = -10.3 DEGREES REMARK 500 ASP A 230 CB - CG - OD2 ANGL. DEV. = -6.4 DEGREES REMARK 500 VAL A 239 CB - CA - C ANGL. DEV. = -13.0 DEGREES REMARK 500 ARG A 256 NH1 - CZ - NH2 ANGL. DEV. = 9.6 DEGREES REMARK 500 ARG A 256 NE - CZ - NH2 ANGL. DEV. = -7.4 DEGREES REMARK 500 ASP A 258 CB - CG - OD1 ANGL. DEV. = 6.8 DEGREES REMARK 500 ASP A 288 CB - CG - OD1 ANGL. DEV. = 7.4 DEGREES REMARK 500 TYR A 313 CA - C - O ANGL. DEV. = -13.7 DEGREES REMARK 500 ARG A 316 NE - CZ - NH1 ANGL. DEV. = 3.1 DEGREES REMARK 500 PRO A 325 O - C - N ANGL. DEV. = 11.0 DEGREES REMARK 500 ALA A 331 CA - C - O ANGL. DEV. = 13.1 DEGREES REMARK 500 ASP A 333 CB - CG - OD1 ANGL. DEV. = 7.1 DEGREES REMARK 500 ARG A 343 CA - CB - CG ANGL. DEV. = 14.5 DEGREES REMARK 500 ARG A 343 NE - CZ - NH1 ANGL. DEV. = 14.5 DEGREES REMARK 500 ARG A 343 NE - CZ - NH2 ANGL. DEV. = -13.3 DEGREES REMARK 500 ILE A 346 CB - CA - C ANGL. DEV. = 12.1 DEGREES REMARK 500 ALA A 348 N - CA - CB ANGL. DEV. = 8.7 DEGREES REMARK 500 ARG A 350 CD - NE - CZ ANGL. DEV. = 13.7 DEGREES REMARK 500 ARG A 350 NE - CZ - NH1 ANGL. DEV. = 4.1 DEGREES REMARK 500 ARG A 350 NE - CZ - NH2 ANGL. DEV. = -3.9 DEGREES REMARK 500 REMARK 500 THIS ENTRY HAS 55 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 GLU A 25 -69.71 -24.47 REMARK 500 ASP A 49 -122.99 58.14 REMARK 500 SER A 55 -178.48 67.55 REMARK 500 ASN A 69 -15.17 101.05 REMARK 500 PRO A 188 3.37 -67.25 REMARK 500 ARG A 214 -175.59 88.62 REMARK 500 HIS A 265 124.27 177.60 REMARK 500 GLU A 287 -132.45 57.89 REMARK 500 ASP A 295 -101.62 43.81 REMARK 500 LYS A 304 -75.73 -61.78 REMARK 500 HIS A 401 116.87 -163.35 REMARK 500 HIS A 410 -179.15 -174.61 REMARK 500 THR A 433 162.38 -22.67 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 ARG A 214 SER A 215 84.67 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 ARG A 214 75.18 REMARK 500 REMARK 500 REMARK: NULL REMARK 600 REMARK 600 HETEROGEN REMARK 600 REMARK 600 LIGAND COMPLEXED TO HAEMOPEXIN REMARK 600 REMARK 600 ION BOUND IN THE CENTRAL TUNNEL REMARK 600 OF THE C-TERMINAL DOMAIN REMARK 600 REMARK 600 IONS BOUND IN THE CENTRAL TUNNEL REMARK 600 REMARK 600 ION BOUND IN THE CENTRAL TUNNEL 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 NA A 436 NA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 34 O REMARK 620 2 ASP A 75 O 93.5 REMARK 620 3 ASP A 121 O 145.7 86.1 REMARK 620 4 THR A 166 O 75.8 149.9 87.6 REMARK 620 5 HOH A 526 O 117.9 100.2 95.8 109.6 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 NA A 437 NA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 THR A 36 O REMARK 620 2 ALA A 77 O 89.9 REMARK 620 3 ALA A 123 O 168.3 79.2 REMARK 620 4 ALA A 168 O 87.1 175.2 103.5 REMARK 620 5 HOH A 502 O 88.2 87.5 95.5 96.1 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM A 500 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 213 NE2 REMARK 620 2 HEM A 500 NA 88.3 REMARK 620 3 HEM A 500 NB 89.2 86.7 REMARK 620 4 HEM A 500 NC 88.3 176.0 91.3 REMARK 620 5 HEM A 500 ND 86.2 90.7 174.8 91.0 REMARK 620 6 HIS A 265 NE2 174.5 86.3 91.3 97.2 93.0 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 NA A 440 NA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 SER A 236 O REMARK 620 2 ASP A 281 O 85.4 REMARK 620 3 ASP A 333 O 140.4 85.4 REMARK 620 4 ASP A 376 O 80.0 148.6 88.3 REMARK 620 5 HOH A 619 O 106.8 115.0 112.0 95.8 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 NA A 438 NA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 MET A 238 O REMARK 620 2 ALA A 283 O 88.8 REMARK 620 3 ALA A 335 O 174.0 86.2 REMARK 620 4 ALA A 378 O 94.5 176.6 90.5 REMARK 620 5 PO4 A 441 O4 99.2 71.4 76.1 108.5 REMARK 620 N 1 2 3 4 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: HIS REMARK 800 EVIDENCE_CODE: AUTHOR REMARK 800 SITE_DESCRIPTION: AXIAL HAEM LIGANDS REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL A 435 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA A 436 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA A 437 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA A 438 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL A 439 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA A 440 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 A 441 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 500 REMARK 999 REMARK 999 SEQUENCE REMARK 999 N-TERMINUS IS DISORDERED IN REMARK 999 ELECTRON DENSITY MAPS REMARK 999 NUMERING OF RESIDUES IS SUCH THAT REMARK 999 IT IS CONSISTENT WITH THE RESIDUE REMARK 999 NUMERING IN PDB ENTRY REMARK 999 PDB1HXN.ENT FOR THE C-TERMINAL REMARK 999 DOMAIN STRUCTURE DBREF 1QHU A -24 434 UNP P20058 HEMO_RABIT 1 460 SEQRES 1 A 460 MET VAL LYS ALA SER GLY ILE PRO ILE ALA LEU GLY VAL SEQRES 2 A 460 TRP GLY LEU CYS TRP SER LEU ALA THR VAL ASN SER VAL SEQRES 3 A 460 PRO LEU THR SER ALA HIS GLY ASN VAL THR GLU GLY GLU SEQRES 4 A 460 SER GLY THR LYS PRO GLU ALA ASP VAL ILE GLU GLN CYS SEQRES 5 A 460 SER ASP GLY TRP SER PHE ASP ALA THR THR LEU ASP ASP SEQRES 6 A 460 ASN GLY THR MET LEU PHE PHE LYS ASP GLU PHE VAL TRP SEQRES 7 A 460 LYS SER HIS ARG GLY ILE ARG GLU LEU ILE SER GLU ARG SEQRES 8 A 460 TRP LYS ASN PHE ILE GLY PRO VAL ASP ALA ALA PHE ARG SEQRES 9 A 460 HIS GLY HIS THR SER VAL TYR LEU ILE LYS GLY ASP LYS SEQRES 10 A 460 VAL TRP VAL TYR THR SER GLU LYS ASN GLU LYS VAL TYR SEQRES 11 A 460 PRO LYS SER LEU GLN ASP GLU PHE PRO GLY ILE PRO PHE SEQRES 12 A 460 PRO LEU ASP ALA ALA VAL GLU CYS HIS ARG GLY GLU CYS SEQRES 13 A 460 GLN ASP GLU GLY ILE LEU PHE PHE GLN GLY ASN ARG LYS SEQRES 14 A 460 TRP PHE TRP ASP LEU THR THR GLY THR LYS LYS GLU ARG SEQRES 15 A 460 SER TRP PRO ALA VAL GLY ASN CYS THR SER ALA LEU ARG SEQRES 16 A 460 TRP LEU GLY ARG TYR TYR CYS PHE GLN GLY ASN GLN PHE SEQRES 17 A 460 LEU ARG PHE ASN PRO VAL SER GLY GLU VAL PRO PRO GLY SEQRES 18 A 460 TYR PRO LEU ASP VAL ARG ASP TYR PHE LEU SER CYS PRO SEQRES 19 A 460 GLY ARG GLY HIS ARG SER SER HIS ARG ASN SER THR GLN SEQRES 20 A 460 HIS GLY HIS GLU SER THR ARG CYS ASP PRO ASP LEU VAL SEQRES 21 A 460 LEU SER ALA MET VAL SER ASP ASN HIS GLY ALA THR TYR SEQRES 22 A 460 VAL PHE SER GLY SER HIS TYR TRP ARG LEU ASP THR ASN SEQRES 23 A 460 ARG ASP GLY TRP HIS SER TRP PRO ILE ALA HIS GLN TRP SEQRES 24 A 460 PRO GLN GLY PRO SER THR VAL ASP ALA ALA PHE SER TRP SEQRES 25 A 460 GLU ASP LYS LEU TYR LEU ILE GLN ASP THR LYS VAL TYR SEQRES 26 A 460 VAL PHE LEU THR LYS GLY GLY TYR THR LEU VAL ASN GLY SEQRES 27 A 460 TYR PRO LYS ARG LEU GLU LYS GLU LEU GLY SER PRO PRO SEQRES 28 A 460 VAL ILE SER LEU GLU ALA VAL ASP ALA ALA PHE VAL CYS SEQRES 29 A 460 PRO GLY SER SER ARG LEU HIS ILE MET ALA GLY ARG ARG SEQRES 30 A 460 LEU TRP TRP LEU ASP LEU LYS SER GLY ALA GLN ALA THR SEQRES 31 A 460 TRP THR GLU LEU PRO TRP PRO HIS GLU LYS VAL ASP GLY SEQRES 32 A 460 ALA LEU CYS MET GLU LYS PRO LEU GLY PRO ASN SER CYS SEQRES 33 A 460 SER THR SER GLY PRO ASN LEU TYR LEU ILE HIS GLY PRO SEQRES 34 A 460 ASN LEU TYR CYS TYR ARG HIS VAL ASP LYS LEU ASN ALA SEQRES 35 A 460 ALA LYS ASN LEU PRO GLN PRO GLN ARG VAL SER ARG LEU SEQRES 36 A 460 LEU GLY CYS THR HIS HET CL A 435 1 HET NA A 436 1 HET NA A 437 1 HET NA A 438 1 HET CL A 439 1 HET NA A 440 1 HET PO4 A 441 5 HET HEM A 500 43 HETNAM CL CHLORIDE ION HETNAM NA SODIUM ION HETNAM PO4 PHOSPHATE ION HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETSYN HEM HEME FORMUL 2 CL 2(CL 1-) FORMUL 3 NA 4(NA 1+) FORMUL 8 PO4 O4 P 3- FORMUL 9 HEM C34 H32 FE N4 O4 FORMUL 10 HOH *210(H2 O) HELIX 1 1 GLU A 25 CYS A 27 5 3 HELIX 2 2 ILE A 63 ARG A 66 1 4 HELIX 3 3 LEU A 109 GLU A 112 1 4 HELIX 4 4 VAL A 201 TYR A 204 1 4 HELIX 5 5 ASN A 260 ASP A 262 5 3 HELIX 6 6 ILE A 269 GLN A 272 1 4 HELIX 7 7 LEU A 317 LEU A 321 1 5 HELIX 8 8 LEU A 357 GLN A 362 5 6 HELIX 9 9 VAL A 411 ALA A 416 1 6 HELIX 10 10 VAL A 426 LEU A 430 1 5 SHEET 1 A 4 ALA A 35 LEU A 38 0 SHEET 2 A 4 MET A 44 LYS A 48 -1 N PHE A 47 O ALA A 35 SHEET 3 A 4 PHE A 51 LYS A 54 -1 N TRP A 53 O PHE A 46 SHEET 4 A 4 ILE A 59 LEU A 62 -1 N GLU A 61 O VAL A 52 SHEET 1 B 3 ALA A 76 HIS A 80 0 SHEET 2 B 3 SER A 84 LYS A 89 -1 N ILE A 88 O ALA A 76 SHEET 3 B 3 LYS A 92 TYR A 96 -1 N TYR A 96 O VAL A 85 SHEET 1 C 4 ALA A 122 CYS A 126 0 SHEET 2 C 4 GLY A 135 GLN A 140 -1 N PHE A 139 O ALA A 122 SHEET 3 C 4 ARG A 143 ASP A 148 -1 N TRP A 147 O ILE A 136 SHEET 4 C 4 THR A 153 ARG A 157 -1 N ARG A 157 O LYS A 144 SHEET 1 D 3 SER A 167 TRP A 171 0 SHEET 2 D 3 ARG A 174 GLN A 179 -1 N PHE A 178 O SER A 167 SHEET 3 D 3 GLN A 182 PHE A 186 -1 N PHE A 186 O TYR A 175 SHEET 1 E 3 ALA A 237 SER A 240 0 SHEET 2 E 3 THR A 246 SER A 250 -1 N PHE A 249 O ALA A 237 SHEET 3 E 3 HIS A 253 ARG A 256 -1 N TRP A 255 O VAL A 248 SHEET 1 F 3 ALA A 282 TRP A 286 0 SHEET 2 F 3 LYS A 289 GLN A 294 -1 N ILE A 293 O ALA A 282 SHEET 3 F 3 LYS A 297 LEU A 302 -1 N PHE A 301 O LEU A 290 SHEET 1 G 3 ALA A 334 PHE A 336 0 SHEET 2 G 3 ARG A 343 ALA A 348 -1 N MET A 347 O ALA A 334 SHEET 3 G 3 ARG A 351 ASP A 356 -1 N LEU A 355 O LEU A 344 SHEET 1 H 3 GLY A 377 MET A 381 0 SHEET 2 H 3 ASN A 396 HIS A 401 -1 N ILE A 400 O GLY A 377 SHEET 3 H 3 ASN A 404 TYR A 408 -1 N TYR A 408 O LEU A 397 SSBOND 1 CYS A 27 CYS A 208 1555 1555 2.02 SSBOND 2 CYS A 126 CYS A 131 1555 1555 1.97 SSBOND 3 CYS A 165 CYS A 177 1555 1555 2.00 SSBOND 4 CYS A 229 CYS A 432 1555 1555 2.04 SSBOND 5 CYS A 338 CYS A 380 1555 1555 2.05 SSBOND 6 CYS A 390 CYS A 407 1555 1555 2.03 LINK O ASP A 34 NA NA A 436 1555 1555 2.27 LINK O THR A 36 NA NA A 437 1555 1555 2.41 LINK O ASP A 75 NA NA A 436 1555 1555 2.58 LINK O ALA A 77 NA NA A 437 1555 1555 2.47 LINK O ASP A 121 NA NA A 436 1555 1555 2.40 LINK O ALA A 123 NA NA A 437 1555 1555 2.38 LINK O THR A 166 NA NA A 436 1555 1555 2.41 LINK O ALA A 168 NA NA A 437 1555 1555 2.21 LINK NE2 HIS A 213 FE HEM A 500 1555 1555 2.16 LINK O SER A 236 NA NA A 440 1555 1555 2.19 LINK O MET A 238 NA NA A 438 1555 1555 2.37 LINK NE2 HIS A 265 FE HEM A 500 1555 1555 2.17 LINK O ASP A 281 NA NA A 440 1555 1555 2.32 LINK O ALA A 283 NA NA A 438 1555 1555 2.22 LINK O ASP A 333 NA NA A 440 1555 1555 2.27 LINK O ALA A 335 NA NA A 438 1555 1555 2.42 LINK O ASP A 376 NA NA A 440 1555 1555 2.27 LINK O ALA A 378 NA NA A 438 1555 1555 2.34 LINK NA NA A 436 O HOH A 526 1555 1555 2.50 LINK NA NA A 437 O HOH A 502 1555 1555 2.56 LINK NA NA A 438 O4 PO4 A 441 1555 1555 2.93 LINK NA NA A 440 O HOH A 619 1555 1555 2.28 CISPEP 1 PHE A 118 PRO A 119 0 -4.06 CISPEP 2 TYR A 197 PRO A 198 0 3.99 CISPEP 3 TYR A 313 PRO A 314 0 -2.00 SITE 1 HIS 2 HIS A 213 HIS A 265 SITE 1 AC1 6 THR A 36 ALA A 77 ALA A 123 SER A 167 SITE 2 AC1 6 ALA A 168 NA A 437 SITE 1 AC2 5 ASP A 34 ASP A 75 ASP A 121 THR A 166 SITE 2 AC2 5 HOH A 526 SITE 1 AC3 6 THR A 36 ALA A 77 ALA A 123 ALA A 168 SITE 2 AC3 6 CL A 435 HOH A 502 SITE 1 AC4 6 MET A 238 ALA A 283 ALA A 335 ALA A 378 SITE 2 AC4 6 CL A 439 PO4 A 441 SITE 1 AC5 7 MET A 238 ALA A 282 ALA A 283 ALA A 334 SITE 2 AC5 7 ALA A 335 ALA A 378 NA A 438 SITE 1 AC6 5 SER A 236 ASP A 281 ASP A 333 ASP A 376 SITE 2 AC6 5 HOH A 619 SITE 1 AC7 9 ALA A 283 PHE A 284 ALA A 335 PHE A 336 SITE 2 AC7 9 VAL A 337 ALA A 378 LEU A 379 CYS A 380 SITE 3 AC7 9 NA A 438 SITE 1 AC8 18 TRP A 171 ARG A 174 TYR A 176 PHE A 183 SITE 2 AC8 18 ARG A 185 TYR A 197 TYR A 204 PHE A 205 SITE 3 AC8 18 HIS A 213 ARG A 214 HIS A 222 GLU A 225 SITE 4 AC8 18 HIS A 265 TRP A 267 PRO A 268 HIS A 271 SITE 5 AC8 18 HOH A 584 HOH A 643 CRYST1 44.680 61.950 83.290 90.00 93.21 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 0.022381 0.000000 0.001255 0.00000 SCALE2 0.000000 0.016142 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012025 0.00000