HEADER OXYGEN TRANSPORT 03-DEC-91 1ITH TITLE STRUCTURE DETERMINATION AND REFINEMENT OF HOMOTETRAMERIC HEMOGLOBIN TITLE 2 FROM URECHIS CAUPO AT 2.5 ANGSTROMS RESOLUTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: HEMOGLOBIN (CYANO MET); COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: URECHIS CAUPO; SOURCE 3 ORGANISM_TAXID: 6431; SOURCE 4 GENE: CDNA KEYWDS OXYGEN TRANSPORT EXPDTA X-RAY DIFFRACTION AUTHOR M.HACKERT,P.KOLATKAR,S.R.ERNST,C.M.OGATA,W.A.HENDRICKSON,E.A.MERRITT, AUTHOR 2 R.P.PHIZACKERLEY REVDAT 4 07-FEB-24 1ITH 1 REMARK SEQADV LINK REVDAT 3 24-FEB-09 1ITH 1 VERSN REVDAT 2 01-APR-03 1ITH 1 JRNL REVDAT 1 31-OCT-93 1ITH 0 JRNL AUTH P.R.KOLATKAR,S.R.ERNST,M.L.HACKERT,C.M.OGATA, JRNL AUTH 2 W.A.HENDRICKSON,E.A.MERRITT,R.P.PHIZACKERLEY JRNL TITL STRUCTURE DETERMINATION AND REFINEMENT OF HOMOTETRAMERIC JRNL TITL 2 HEMOGLOBIN FROM URECHIS CAUPO AT 2.5 A RESOLUTION. JRNL REF ACTA CRYSTALLOGR.,SECT.B V. 48 191 1992 JRNL REFN ISSN 0108-7681 JRNL PMID 1515107 JRNL DOI 10.1107/S0108768191012363 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH P.R.KOLATKAR,W.E.MEADOR,R.L.STANFIELD,M.L.HACKERT REMARK 1 TITL NOVEL SUBUNIT STRUCTURE OBSERVED FOR NONCOOPERATIVE REMARK 1 TITL 2 HEMOGLOBIN FROM URECHIS CAUPO REMARK 1 REF J.BIOL.CHEM. V. 263 3462 1988 REMARK 1 REFN ISSN 0021-9258 REMARK 2 REMARK 2 RESOLUTION. 2.50 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.50 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) : 0.147 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 : 2126 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 90 REMARK 3 SOLVENT ATOMS : 150 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) : 0.015 REMARK 3 BOND ANGLES (DEGREES) : 3.330 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: NULL REMARK 4 REMARK 4 1ITH 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_1000174260. 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: X-PLOR REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 53.44 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.64 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -X,Y,-Z+1/2 REMARK 290 4555 X,-Y,-Z REMARK 290 5555 X+1/2,Y+1/2,Z REMARK 290 6555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 7555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 8555 X+1/2,-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 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 55.30000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 55.30000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 52.40000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 27.45000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 52.40000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 27.45000 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 55.30000 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 52.40000 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 27.45000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 55.30000 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 52.40000 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 27.45000 REMARK 290 SMTRY3 8 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 TWO NON-CRYSTALLOGRAPHIC SUBUNITS ARE RELATED BY A REMARK 300 MOLECULAR TWO-FOLD AXIS (179.8 DEGREE ROTATION) LOCATED IN REMARK 300 THE BC PLANE AT 35 DEGREES FROM THE B AXIS (SEE REFERENCE REMARK 300 1). THE BACKBONE (N, C-ALPHA, C, O, + FE) RMS FIT = 0.317. REMARK 300 THE TRANSFORMATION PRESENTED ON *MTRIX* RECORDS BELOW WILL REMARK 300 YIELD APPROXIMATE COORDINATES FOR CHAIN *A* WHEN APPLIED TO REMARK 300 CHAIN *B*. 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 APPLY THE FOLLOWING TO CHAINS: A, B 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 350 BIOMT1 2 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 54.90000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 0.00000 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 13 NE2 HIS A 13 CD2 -0.077 REMARK 500 HIS A 94 NE2 HIS A 94 CD2 -0.075 REMARK 500 HIS A 103 NE2 HIS A 103 CD2 -0.067 REMARK 500 HIS B 13 NE2 HIS B 13 CD2 -0.077 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 TRP A 14 CD1 - CG - CD2 ANGL. DEV. = 7.1 DEGREES REMARK 500 TRP A 14 CE2 - CD2 - CG ANGL. DEV. = -5.7 DEGREES REMARK 500 LYS A 46 CA - CB - CG ANGL. DEV. = 13.6 DEGREES REMARK 500 TYR A 53 CB - CG - CD2 ANGL. DEV. = -4.3 DEGREES REMARK 500 THR A 65 N - CA - CB ANGL. DEV. = -11.6 DEGREES REMARK 500 LEU A 110 CB - CG - CD2 ANGL. DEV. = -13.3 DEGREES REMARK 500 THR A 124 CA - CB - CG2 ANGL. DEV. = 9.1 DEGREES REMARK 500 TRP A 129 CD1 - CG - CD2 ANGL. DEV. = 6.8 DEGREES REMARK 500 TRP A 129 CB - CG - CD1 ANGL. DEV. = -8.3 DEGREES REMARK 500 TRP A 129 CE2 - CD2 - CG ANGL. DEV. = -6.0 DEGREES REMARK 500 TRP A 129 CG - CD2 - CE3 ANGL. DEV. = 5.7 DEGREES REMARK 500 TRP B 14 CD1 - CG - CD2 ANGL. DEV. = 5.7 DEGREES REMARK 500 TRP B 14 CE2 - CD2 - CG ANGL. DEV. = -5.3 DEGREES REMARK 500 ASP B 27 CB - CG - OD1 ANGL. DEV. = 6.2 DEGREES REMARK 500 VAL B 68 CG1 - CB - CG2 ANGL. DEV. = -11.3 DEGREES REMARK 500 VAL B 75 CG1 - CB - CG2 ANGL. DEV. = -11.3 DEGREES REMARK 500 TRP B 129 CD1 - CG - CD2 ANGL. DEV. = 5.9 DEGREES REMARK 500 TRP B 129 CE2 - CD2 - CG ANGL. DEV. = -5.7 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 PHE A 47 16.98 -151.91 REMARK 500 ALA A 89 -9.73 -57.92 REMARK 500 PHE B 47 23.01 -153.46 REMARK 500 ASN B 82 22.22 -79.78 REMARK 500 ALA B 89 -10.72 -45.85 REMARK 500 PRO B 101 -19.44 -36.52 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 143 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 94 NE2 REMARK 620 2 HEM A 143 NA 98.8 REMARK 620 3 HEM A 143 NB 94.3 87.9 REMARK 620 4 HEM A 143 NC 100.5 160.7 89.8 REMARK 620 5 HEM A 143 ND 97.4 88.5 168.1 89.8 REMARK 620 6 CYN A 142 C 171.7 89.5 85.4 71.2 83.3 REMARK 620 7 CYN A 142 N 164.0 85.3 101.3 76.3 67.1 16.6 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM B 143 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS B 94 NE2 REMARK 620 2 HEM B 143 NA 100.1 REMARK 620 3 HEM B 143 NB 101.6 87.8 REMARK 620 4 HEM B 143 NC 98.1 161.7 89.8 REMARK 620 5 HEM B 143 ND 96.7 88.3 161.7 88.2 REMARK 620 6 CYN B 142 C 172.4 86.2 82.8 75.5 79.1 REMARK 620 7 CYN B 142 N 162.8 81.7 95.5 80.5 66.2 13.7 REMARK 620 N 1 2 3 4 5 6 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CYN A 142 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CYN B 142 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 143 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM B 143 REMARK 999 REMARK 999 SEQUENCE REMARK 999 RESIDUE 4 OF EACH CHAIN IS PRESENTED AS ALA IN THIS ENTRY. REMARK 999 BOTH PIR AND SWISSPROT DATABASES LISTED THIS RESIDUE AS REMARK 999 THR AT THE TIME THAT THIS ENTRY WAS PREPARED. THIS WAS REMARK 999 BASED ON CDNA SEQUENCE OBTAINED FROM ONE CLONE. HOWEVER, REMARK 999 AMINO ACID SEQUENCING OF THE GLOBINS SHOWED RESIDUE 4 TO REMARK 999 BE ALA. THIS WAS CONFIRMED BY DIFFERENCE ELECTRON DENSITY REMARK 999 MAPS. DBREF 1ITH A 1 141 UNP P06148 HBF1_URECA 1 141 DBREF 1ITH B 1 141 UNP P06148 HBF1_URECA 1 141 SEQADV 1ITH ALA A 4 UNP P06148 THR 4 CONFLICT SEQADV 1ITH ALA B 4 UNP P06148 THR 4 CONFLICT SEQRES 1 A 141 GLY LEU THR ALA ALA GLN ILE LYS ALA ILE GLN ASP HIS SEQRES 2 A 141 TRP PHE LEU ASN ILE LYS GLY CYS LEU GLN ALA ALA ALA SEQRES 3 A 141 ASP SER ILE PHE PHE LYS TYR LEU THR ALA TYR PRO GLY SEQRES 4 A 141 ASP LEU ALA PHE PHE HIS LYS PHE SER SER VAL PRO LEU SEQRES 5 A 141 TYR GLY LEU ARG SER ASN PRO ALA TYR LYS ALA GLN THR SEQRES 6 A 141 LEU THR VAL ILE ASN TYR LEU ASP LYS VAL VAL ASP ALA SEQRES 7 A 141 LEU GLY GLY ASN ALA GLY ALA LEU MET LYS ALA LYS VAL SEQRES 8 A 141 PRO SER HIS ASP ALA MET GLY ILE THR PRO LYS HIS PHE SEQRES 9 A 141 GLY GLN LEU LEU LYS LEU VAL GLY GLY VAL PHE GLN GLU SEQRES 10 A 141 GLU PHE SER ALA ASP PRO THR THR VAL ALA ALA TRP GLY SEQRES 11 A 141 ASP ALA ALA GLY VAL LEU VAL ALA ALA MET LYS SEQRES 1 B 141 GLY LEU THR ALA ALA GLN ILE LYS ALA ILE GLN ASP HIS SEQRES 2 B 141 TRP PHE LEU ASN ILE LYS GLY CYS LEU GLN ALA ALA ALA SEQRES 3 B 141 ASP SER ILE PHE PHE LYS TYR LEU THR ALA TYR PRO GLY SEQRES 4 B 141 ASP LEU ALA PHE PHE HIS LYS PHE SER SER VAL PRO LEU SEQRES 5 B 141 TYR GLY LEU ARG SER ASN PRO ALA TYR LYS ALA GLN THR SEQRES 6 B 141 LEU THR VAL ILE ASN TYR LEU ASP LYS VAL VAL ASP ALA SEQRES 7 B 141 LEU GLY GLY ASN ALA GLY ALA LEU MET LYS ALA LYS VAL SEQRES 8 B 141 PRO SER HIS ASP ALA MET GLY ILE THR PRO LYS HIS PHE SEQRES 9 B 141 GLY GLN LEU LEU LYS LEU VAL GLY GLY VAL PHE GLN GLU SEQRES 10 B 141 GLU PHE SER ALA ASP PRO THR THR VAL ALA ALA TRP GLY SEQRES 11 B 141 ASP ALA ALA GLY VAL LEU VAL ALA ALA MET LYS HET CYN A 142 2 HET HEM A 143 43 HET CYN B 142 2 HET HEM B 143 43 HETNAM CYN CYANIDE ION HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETSYN HEM HEME FORMUL 3 CYN 2(C N 1-) FORMUL 4 HEM 2(C34 H32 FE N4 O4) FORMUL 7 HOH *150(H2 O) HELIX 1 AA THR A 3 ASN A 17 1 15 HELIX 2 BA LEU A 22 TYR A 37 1 16 HELIX 3 CA PRO A 38 PHE A 43 5 6 HELIX 4 DA PRO A 51 LEU A 55 5 5 HELIX 5 EA ASN A 58 ALA A 78 1 21 HELIX 6 F1A GLY A 81 ALA A 89 1 9 HELIX 7 F2A LYS A 88 VAL A 91 5 4 HELIX 8 F3A VAL A 91 ALA A 96 1 6 HELIX 9 GA THR A 100 GLU A 118 1GLY 112/GLY 113 FORM A KINK 19 HELIX 10 HA ASP A 122 ALA A 139 1 18 HELIX 11 AB THR B 3 ASN B 17 1 15 HELIX 12 BB LEU B 22 TYR B 37 1 16 HELIX 13 CB PRO B 38 PHE B 43 5 6 HELIX 14 DB PRO B 51 LEU B 55 5 5 HELIX 15 EB ASN B 58 ALA B 78 1 21 HELIX 16 F1B GLY B 81 ALA B 89 1 9 HELIX 17 F2B LYS B 88 VAL B 91 5 4 HELIX 18 F3B VAL B 91 ALA B 96 1 6 HELIX 19 GB THR B 100 GLU B 118 1GLY 112/GLY 113 FORM A KINK 19 HELIX 20 HB ASP B 122 ALA B 139 1 18 LINK NE2 HIS A 94 FE HEM A 143 1555 1555 2.16 LINK C CYN A 142 FE HEM A 143 1555 1555 1.82 LINK N CYN A 142 FE HEM A 143 1555 1555 2.76 LINK NE2 HIS B 94 FE HEM B 143 1555 1555 2.17 LINK C CYN B 142 FE HEM B 143 1555 1555 1.83 LINK N CYN B 142 FE HEM B 143 1555 1555 2.83 SITE 1 AC1 4 PHE A 44 GLN A 64 VAL A 68 HEM A 143 SITE 1 AC2 2 GLN B 64 HEM B 143 SITE 1 AC3 12 TYR A 33 PHE A 43 PHE A 44 LYS A 46 SITE 2 AC3 12 GLN A 64 LYS A 90 SER A 93 HIS A 94 SITE 3 AC3 12 ILE A 99 HIS A 103 PHE A 104 CYN A 142 SITE 1 AC4 17 TYR B 33 PHE B 43 LYS B 46 GLN B 64 SITE 2 AC4 17 VAL B 68 TYR B 71 LYS B 90 SER B 93 SITE 3 AC4 17 HIS B 94 ILE B 99 HIS B 103 PHE B 104 SITE 4 AC4 17 LEU B 107 CYN B 142 HOH B 448 HOH B 504 SITE 5 AC4 17 HOH B 604 CRYST1 104.800 54.900 110.600 90.00 90.00 90.00 C 2 2 21 16 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 0.009542 0.000000 0.000000 0.00000 SCALE2 0.000000 0.018215 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009042 0.00000 MTRIX1 1 -1.000000 -0.002700 -0.000700 49.96160 1 MTRIX2 1 0.000400 -0.373700 0.927600 37.66540 1 MTRIX3 1 -0.002700 0.927600 0.373700 -25.28980 1