HEADER ISOMERASE 12-OCT-04 1XQK TITLE EFFECT OF A Y265F MUTANT ON THE TRANSAMINATION BASED CYCLOSERINE TITLE 2 INACTIVATION OF ALANINE RACEMASE COMPND MOL_ID: 1; COMPND 2 MOLECULE: ALANINE RACEMASE; COMPND 3 CHAIN: A, B; COMPND 4 EC: 5.1.1.1; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: GEOBACILLUS STEAROTHERMOPHILUS; SOURCE 3 ORGANISM_TAXID: 1422; SOURCE 4 GENE: ALR, DAL; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: DE3 KEYWDS ALANINE RACEMASE, CYCLOSERINE, TIM BARREL, ISOMERASE EXPDTA X-RAY DIFFRACTION AUTHOR T.D.FENN,T.HOLYOAK,G.F.STAMPER,D.RINGE REVDAT 7 15-NOV-23 1XQK 1 REMARK REVDAT 6 23-AUG-23 1XQK 1 REMARK REVDAT 5 20-OCT-21 1XQK 1 REMARK SEQADV HETSYN LINK REVDAT 4 31-JAN-18 1XQK 1 REMARK REVDAT 3 24-FEB-09 1XQK 1 VERSN REVDAT 2 26-APR-05 1XQK 1 JRNL REVDAT 1 18-JAN-05 1XQK 0 JRNL AUTH T.D.FENN,T.HOLYOAK,G.F.STAMPER,D.RINGE JRNL TITL EFFECT OF A Y265F MUTANT ON THE TRANSAMINATION-BASED JRNL TITL 2 CYCLOSERINE INACTIVATION OF ALANINE RACEMASE JRNL REF BIOCHEMISTRY V. 44 5317 2005 JRNL REFN ISSN 0006-2960 JRNL PMID 15807525 JRNL DOI 10.1021/BI047842L REMARK 2 REMARK 2 RESOLUTION. 1.95 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.1 REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.95 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 42.80 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 0.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 85.2 REMARK 3 NUMBER OF REFLECTIONS : 43977 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 SET) : 0.191 REMARK 3 FREE R VALUE : 0.240 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.200 REMARK 3 FREE R VALUE TEST SET COUNT : 4480 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.004 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.95 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.07 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 73.30 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 5694 REMARK 3 BIN R VALUE (WORKING SET) : 0.3000 REMARK 3 BIN FREE R VALUE : 0.3390 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 10.60 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 672 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.013 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 6055 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 44 REMARK 3 SOLVENT ATOMS : 476 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 13.40 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 27.90 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -4.81000 REMARK 3 B22 (A**2) : 13.80000 REMARK 3 B33 (A**2) : -8.99000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.22 REMARK 3 ESD FROM SIGMAA (A) : 0.27 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.29 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.32 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.006 REMARK 3 BOND ANGLES (DEGREES) : 1.300 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 23.80 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.840 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.230 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.850 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 1.920 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 2.730 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.36 REMARK 3 BSOL : 50.24 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 1XQK COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 13-OCT-04. REMARK 100 THE DEPOSITION ID IS D_1000030650. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 01-NOV-99 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU RUH2R REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : SUPPER MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IV REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 43977 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.950 REMARK 200 RESOLUTION RANGE LOW (A) : 42.800 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 83.3 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) : 1.95 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.03 REMARK 200 COMPLETENESS FOR SHELL (%) : 84.2 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: CNS REMARK 200 STARTING MODEL: PDB ENTRY 1SFT REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 39.69 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.04 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 4K, NAAC, PH 8.5, VAPOR DIFFUSION, REMARK 280 HANGING DROP, TEMPERATURE 398K, TEMPERATURE 298.0K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 REMARK 290 4555 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 42.48250 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 48.98150 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 42.81350 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 48.98150 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 42.48250 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 42.81350 REMARK 290 SMTRY3 4 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 7710 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 26480 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -13.0 KCAL/MOL 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 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 1 REMARK 465 GLY A 384 REMARK 465 GLU A 385 REMARK 465 SER A 386 REMARK 465 SER A 387 REMARK 465 ALA A 388 REMARK 465 MET B 1 REMARK 465 GLY B 382 REMARK 465 ARG B 383 REMARK 465 GLY B 384 REMARK 465 GLU B 385 REMARK 465 SER B 386 REMARK 465 SER B 387 REMARK 465 ALA B 388 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 ARG A 383 CG CD NE CZ NH1 NH2 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 CYS B 315 CB CYS B 315 SG -0.128 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 119 34.72 -143.10 REMARK 500 ARG A 136 -78.21 -96.87 REMARK 500 CYS A 201 -27.36 -159.41 REMARK 500 ASN A 203 -165.94 -101.06 REMARK 500 PHE A 215 -133.62 56.39 REMARK 500 SER A 264 -179.65 62.00 REMARK 500 PHE B 106 2.27 -155.41 REMARK 500 SER B 119 35.22 -141.44 REMARK 500 ARG B 136 -84.92 -96.22 REMARK 500 CYS B 201 -21.10 -155.28 REMARK 500 ASN B 203 -158.62 -101.63 REMARK 500 PHE B 215 -123.03 53.45 REMARK 500 SER B 264 175.78 66.02 REMARK 500 PRO B 322 89.88 -66.76 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PMH A 501 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PMH B 601 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1SFT RELATED DB: PDB REMARK 900 DETERMINATION OF THE STRUCTURE OF ALANINE RACEMASE FROM BACILLUS REMARK 900 STEAROTHERMOPHILUS AT 1.9-A RESOLUTION REMARK 900 RELATED ID: 1XQL RELATED DB: PDB DBREF 1XQK A 1 382 UNP P10724 ALR_BACST 1 382 DBREF 1XQK B 1 382 UNP P10724 ALR_BACST 1 382 SEQADV 1XQK KCX A 129 UNP P10724 LYS 129 MODIFIED RESIDUE SEQADV 1XQK PHE A 265 UNP P10724 TYR 265 ENGINEERED MUTATION SEQADV 1XQK KCX B 129 UNP P10724 LYS 129 MODIFIED RESIDUE SEQADV 1XQK PHE B 265 UNP P10724 TYR 265 ENGINEERED MUTATION SEQRES 1 A 388 MET ASN ASP PHE HIS ARG ASP THR TRP ALA GLU VAL ASP SEQRES 2 A 388 LEU ASP ALA ILE TYR ASP ASN VAL GLU ASN LEU ARG ARG SEQRES 3 A 388 LEU LEU PRO ASP ASP THR HIS ILE MET ALA VAL VAL LYS SEQRES 4 A 388 ALA ASN ALA TYR GLY HIS GLY ASP VAL GLN VAL ALA ARG SEQRES 5 A 388 THR ALA LEU GLU ALA GLY ALA SER ARG LEU ALA VAL ALA SEQRES 6 A 388 PHE LEU ASP GLU ALA LEU ALA LEU ARG GLU LYS GLY ILE SEQRES 7 A 388 GLU ALA PRO ILE LEU VAL LEU GLY ALA SER ARG PRO ALA SEQRES 8 A 388 ASP ALA ALA LEU ALA ALA GLN GLN ARG ILE ALA LEU THR SEQRES 9 A 388 VAL PHE ARG SER ASP TRP LEU GLU GLU ALA SER ALA LEU SEQRES 10 A 388 TYR SER GLY PRO PHE PRO ILE HIS PHE HIS LEU KCX MET SEQRES 11 A 388 ASP THR GLY MET GLY ARG LEU GLY VAL LYS ASP GLU GLU SEQRES 12 A 388 GLU THR LYS ARG ILE VAL ALA LEU ILE GLU ARG HIS PRO SEQRES 13 A 388 HIS PHE VAL LEU GLU GLY LEU TYR THR HIS PHE ALA THR SEQRES 14 A 388 ALA ASP GLU VAL ASN THR ASP TYR PHE SER TYR GLN TYR SEQRES 15 A 388 THR ARG PHE LEU HIS MET LEU GLU TRP LEU PRO SER ARG SEQRES 16 A 388 PRO PRO LEU VAL HIS CYS ALA ASN SER ALA ALA SER LEU SEQRES 17 A 388 ARG PHE PRO ASP ARG THR PHE ASN MET VAL ARG PHE GLY SEQRES 18 A 388 ILE ALA MET TYR GLY LEU ALA PRO SER PRO GLY ILE LYS SEQRES 19 A 388 PRO LEU LEU PRO TYR PRO LEU LYS GLU ALA PHE SER LEU SEQRES 20 A 388 HIS SER ARG LEU VAL HIS VAL LYS LYS LEU GLN PRO GLY SEQRES 21 A 388 GLU LYS VAL SER PHE GLY ALA THR TYR THR ALA GLN THR SEQRES 22 A 388 GLU GLU TRP ILE GLY THR ILE PRO ILE GLY TYR ALA ASP SEQRES 23 A 388 GLY TRP LEU ARG ARG LEU GLN HIS PHE HIS VAL LEU VAL SEQRES 24 A 388 ASP GLY GLN LYS ALA PRO ILE VAL GLY ARG ILE CYS MET SEQRES 25 A 388 ASP GLN CYS MET ILE ARG LEU PRO GLY PRO LEU PRO VAL SEQRES 26 A 388 GLY THR LYS VAL THR LEU ILE GLY ARG GLN GLY ASP GLU SEQRES 27 A 388 VAL ILE SER ILE ASP ASP VAL ALA ARG HIS LEU GLU THR SEQRES 28 A 388 ILE ASN TYR GLU VAL PRO CYS THR ILE SER TYR ARG VAL SEQRES 29 A 388 PRO ARG ILE PHE PHE ARG HIS LYS ARG ILE MET GLU VAL SEQRES 30 A 388 ARG ASN ALA ILE GLY ARG GLY GLU SER SER ALA SEQRES 1 B 388 MET ASN ASP PHE HIS ARG ASP THR TRP ALA GLU VAL ASP SEQRES 2 B 388 LEU ASP ALA ILE TYR ASP ASN VAL GLU ASN LEU ARG ARG SEQRES 3 B 388 LEU LEU PRO ASP ASP THR HIS ILE MET ALA VAL VAL LYS SEQRES 4 B 388 ALA ASN ALA TYR GLY HIS GLY ASP VAL GLN VAL ALA ARG SEQRES 5 B 388 THR ALA LEU GLU ALA GLY ALA SER ARG LEU ALA VAL ALA SEQRES 6 B 388 PHE LEU ASP GLU ALA LEU ALA LEU ARG GLU LYS GLY ILE SEQRES 7 B 388 GLU ALA PRO ILE LEU VAL LEU GLY ALA SER ARG PRO ALA SEQRES 8 B 388 ASP ALA ALA LEU ALA ALA GLN GLN ARG ILE ALA LEU THR SEQRES 9 B 388 VAL PHE ARG SER ASP TRP LEU GLU GLU ALA SER ALA LEU SEQRES 10 B 388 TYR SER GLY PRO PHE PRO ILE HIS PHE HIS LEU KCX MET SEQRES 11 B 388 ASP THR GLY MET GLY ARG LEU GLY VAL LYS ASP GLU GLU SEQRES 12 B 388 GLU THR LYS ARG ILE VAL ALA LEU ILE GLU ARG HIS PRO SEQRES 13 B 388 HIS PHE VAL LEU GLU GLY LEU TYR THR HIS PHE ALA THR SEQRES 14 B 388 ALA ASP GLU VAL ASN THR ASP TYR PHE SER TYR GLN TYR SEQRES 15 B 388 THR ARG PHE LEU HIS MET LEU GLU TRP LEU PRO SER ARG SEQRES 16 B 388 PRO PRO LEU VAL HIS CYS ALA ASN SER ALA ALA SER LEU SEQRES 17 B 388 ARG PHE PRO ASP ARG THR PHE ASN MET VAL ARG PHE GLY SEQRES 18 B 388 ILE ALA MET TYR GLY LEU ALA PRO SER PRO GLY ILE LYS SEQRES 19 B 388 PRO LEU LEU PRO TYR PRO LEU LYS GLU ALA PHE SER LEU SEQRES 20 B 388 HIS SER ARG LEU VAL HIS VAL LYS LYS LEU GLN PRO GLY SEQRES 21 B 388 GLU LYS VAL SER PHE GLY ALA THR TYR THR ALA GLN THR SEQRES 22 B 388 GLU GLU TRP ILE GLY THR ILE PRO ILE GLY TYR ALA ASP SEQRES 23 B 388 GLY TRP LEU ARG ARG LEU GLN HIS PHE HIS VAL LEU VAL SEQRES 24 B 388 ASP GLY GLN LYS ALA PRO ILE VAL GLY ARG ILE CYS MET SEQRES 25 B 388 ASP GLN CYS MET ILE ARG LEU PRO GLY PRO LEU PRO VAL SEQRES 26 B 388 GLY THR LYS VAL THR LEU ILE GLY ARG GLN GLY ASP GLU SEQRES 27 B 388 VAL ILE SER ILE ASP ASP VAL ALA ARG HIS LEU GLU THR SEQRES 28 B 388 ILE ASN TYR GLU VAL PRO CYS THR ILE SER TYR ARG VAL SEQRES 29 B 388 PRO ARG ILE PHE PHE ARG HIS LYS ARG ILE MET GLU VAL SEQRES 30 B 388 ARG ASN ALA ILE GLY ARG GLY GLU SER SER ALA MODRES 1XQK KCX A 129 LYS LYSINE NZ-CARBOXYLIC ACID MODRES 1XQK KCX B 129 LYS LYSINE NZ-CARBOXYLIC ACID HET KCX A 129 12 HET KCX B 129 12 HET PMH A 501 22 HET PMH B 601 22 HETNAM KCX LYSINE NZ-CARBOXYLIC ACID HETNAM PMH (5-HYDROXY-4-{[(3-HYDROXYISOXAZOL-4-YL)AMINO]METHYL}-6- HETNAM 2 PMH METHYLPYRIDIN-3-YL)METHYL DIHYDROGEN PHOSPHATE HETSYN PMH PMP-HYDROXYISOXAZOLE; PYRIDOXAMINE-5-PHOSPHATE- HETSYN 2 PMH HYDROXYISOXAZOLE FORMUL 1 KCX 2(C7 H14 N2 O4) FORMUL 3 PMH 2(C11 H14 N3 O7 P) FORMUL 5 HOH *476(H2 O) HELIX 1 1 LEU A 14 LEU A 28 1 15 HELIX 2 2 VAL A 38 HIS A 45 1 8 HELIX 3 3 GLY A 46 GLY A 58 1 13 HELIX 4 4 PHE A 66 LYS A 76 1 11 HELIX 5 5 ARG A 89 ALA A 91 5 3 HELIX 6 6 ASP A 92 GLN A 99 1 8 HELIX 7 7 ARG A 107 TYR A 118 1 12 HELIX 8 8 ASP A 141 HIS A 155 1 15 HELIX 9 9 THR A 175 GLU A 190 1 16 HELIX 10 10 ASN A 203 PHE A 210 1 8 HELIX 11 11 PRO A 211 THR A 214 5 4 HELIX 12 12 GLY A 221 GLY A 226 5 6 HELIX 13 13 SER A 230 LEU A 237 5 8 HELIX 14 14 SER A 264 THR A 268 5 5 HELIX 15 15 GLY A 283 GLY A 287 5 5 HELIX 16 16 LEU A 289 GLN A 293 5 5 HELIX 17 17 SER A 341 GLU A 350 1 10 HELIX 18 18 TYR A 354 ILE A 360 1 7 HELIX 19 19 LEU B 14 LEU B 28 1 15 HELIX 20 20 VAL B 38 GLY B 44 1 7 HELIX 21 21 GLY B 46 GLY B 58 1 13 HELIX 22 22 PHE B 66 LYS B 76 1 11 HELIX 23 23 ARG B 89 ALA B 91 5 3 HELIX 24 24 ASP B 92 GLN B 99 1 8 HELIX 25 25 ARG B 107 TYR B 118 1 12 HELIX 26 26 ASP B 141 HIS B 155 1 15 HELIX 27 27 THR B 175 GLU B 190 1 16 HELIX 28 28 ASN B 203 PHE B 210 1 8 HELIX 29 29 PRO B 211 THR B 214 5 4 HELIX 30 30 GLY B 221 GLY B 226 5 6 HELIX 31 31 ILE B 233 LEU B 237 5 5 HELIX 32 32 SER B 264 THR B 268 5 5 HELIX 33 33 GLY B 283 GLY B 287 5 5 HELIX 34 34 LEU B 289 GLN B 293 5 5 HELIX 35 35 SER B 341 LEU B 349 1 9 HELIX 36 36 TYR B 354 ILE B 360 1 7 SHEET 1 A 7 HIS A 253 LEU A 257 0 SHEET 2 A 7 GLU A 275 ILE A 280 -1 O ILE A 277 N LYS A 255 SHEET 3 A 7 CYS A 315 LEU A 319 -1 O LEU A 319 N TRP A 276 SHEET 4 A 7 GLN A 302 VAL A 307 -1 N VAL A 307 O MET A 316 SHEET 5 A 7 HIS A 296 VAL A 299 -1 N VAL A 297 O ALA A 304 SHEET 6 A 7 LYS A 328 GLN A 335 -1 O THR A 330 N LEU A 298 SHEET 7 A 7 GLU A 338 ILE A 340 -1 O ILE A 340 N GLY A 333 SHEET 1 B10 HIS A 253 LEU A 257 0 SHEET 2 B10 GLU A 275 ILE A 280 -1 O ILE A 277 N LYS A 255 SHEET 3 B10 CYS A 315 LEU A 319 -1 O LEU A 319 N TRP A 276 SHEET 4 B10 GLN A 302 VAL A 307 -1 N VAL A 307 O MET A 316 SHEET 5 B10 HIS A 296 VAL A 299 -1 N VAL A 297 O ALA A 304 SHEET 6 B10 LYS A 328 GLN A 335 -1 O THR A 330 N LEU A 298 SHEET 7 B10 PHE A 245 ARG A 250 -1 N SER A 249 O VAL A 329 SHEET 8 B10 THR A 8 ASP A 13 -1 N TRP A 9 O HIS A 248 SHEET 9 B10 ARG A 366 ARG A 370 1 O ILE A 367 N ALA A 10 SHEET 10 B10 ARG A 373 ARG A 378 -1 O MET A 375 N PHE A 368 SHEET 1 C 9 HIS A 33 VAL A 37 0 SHEET 2 C 9 ARG A 61 VAL A 64 1 O ARG A 61 N ALA A 36 SHEET 3 C 9 ILE A 82 VAL A 84 1 O LEU A 83 N VAL A 64 SHEET 4 C 9 ILE A 101 VAL A 105 1 O ALA A 102 N ILE A 82 SHEET 5 C 9 ILE A 124 KCX A 129 1 O KCX A 129 N VAL A 105 SHEET 6 C 9 PHE A 158 TYR A 164 1 O VAL A 159 N PHE A 126 SHEET 7 C 9 LEU A 198 HIS A 200 1 O LEU A 198 N LEU A 163 SHEET 8 C 9 MET A 217 PHE A 220 1 N MET A 217 O VAL A 199 SHEET 9 C 9 HIS A 33 VAL A 37 1 N MET A 35 O VAL A 218 SHEET 1 D 2 LYS A 262 VAL A 263 0 SHEET 2 D 2 TYR A 269 THR A 270 -1 O TYR A 269 N VAL A 263 SHEET 1 E 4 GLN B 302 PRO B 305 0 SHEET 2 E 4 HIS B 296 VAL B 299 -1 N VAL B 297 O ALA B 304 SHEET 3 E 4 LYS B 328 GLN B 335 -1 O THR B 330 N LEU B 298 SHEET 4 E 4 GLU B 338 ILE B 340 -1 O ILE B 340 N GLY B 333 SHEET 1 F 7 GLN B 302 PRO B 305 0 SHEET 2 F 7 HIS B 296 VAL B 299 -1 N VAL B 297 O ALA B 304 SHEET 3 F 7 LYS B 328 GLN B 335 -1 O THR B 330 N LEU B 298 SHEET 4 F 7 PHE B 245 ARG B 250 -1 N SER B 249 O VAL B 329 SHEET 5 F 7 THR B 8 ASP B 13 -1 N TRP B 9 O HIS B 248 SHEET 6 F 7 ARG B 366 ARG B 370 1 O ILE B 367 N VAL B 12 SHEET 7 F 7 ARG B 373 ARG B 378 -1 O GLU B 376 N PHE B 368 SHEET 1 G 9 HIS B 33 VAL B 37 0 SHEET 2 G 9 ARG B 61 VAL B 64 1 O ARG B 61 N ALA B 36 SHEET 3 G 9 ILE B 82 VAL B 84 1 O LEU B 83 N VAL B 64 SHEET 4 G 9 ILE B 101 VAL B 105 1 O ALA B 102 N ILE B 82 SHEET 5 G 9 ILE B 124 KCX B 129 1 O KCX B 129 N VAL B 105 SHEET 6 G 9 PHE B 158 TYR B 164 1 O VAL B 159 N PHE B 126 SHEET 7 G 9 LEU B 198 HIS B 200 1 O LEU B 198 N LEU B 163 SHEET 8 G 9 MET B 217 PHE B 220 1 N MET B 217 O VAL B 199 SHEET 9 G 9 HIS B 33 VAL B 37 1 N MET B 35 O VAL B 218 SHEET 1 H 3 HIS B 253 LEU B 257 0 SHEET 2 H 3 GLU B 275 ILE B 280 -1 O GLU B 275 N LEU B 257 SHEET 3 H 3 CYS B 315 LEU B 319 -1 O CYS B 315 N ILE B 280 SHEET 1 I 2 LYS B 262 VAL B 263 0 SHEET 2 I 2 TYR B 269 THR B 270 -1 O TYR B 269 N VAL B 263 LINK C LEU A 128 N KCX A 129 1555 1555 1.32 LINK C KCX A 129 N MET A 130 1555 1555 1.33 LINK C LEU B 128 N KCX B 129 1555 1555 1.33 LINK C KCX B 129 N MET B 130 1555 1555 1.33 CISPEP 1 GLY A 120 PRO A 121 0 0.10 CISPEP 2 GLY B 120 PRO B 121 0 0.21 SITE 1 AC1 20 LYS A 39 TYR A 43 LEU A 85 ARG A 136 SITE 2 AC1 20 HIS A 166 ASN A 203 SER A 204 ARG A 219 SITE 3 AC1 20 GLY A 221 ILE A 222 TYR A 354 HOH A 505 SITE 4 AC1 20 HOH A 507 HOH A 548 HOH A 564 HOH A 639 SITE 5 AC1 20 PHE B 265 TYR B 284 CYS B 311 MET B 312 SITE 1 AC2 19 PHE A 265 TYR A 284 CYS A 311 MET A 312 SITE 2 AC2 19 LYS B 39 TYR B 43 ARG B 136 HIS B 166 SITE 3 AC2 19 ASN B 203 SER B 204 ARG B 219 GLY B 221 SITE 4 AC2 19 ILE B 222 TYR B 354 HOH B 606 HOH B 621 SITE 5 AC2 19 HOH B 658 HOH B 702 HOH B 705 CRYST1 84.965 85.627 97.963 90.00 90.00 90.00 P 21 21 21 8 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 0.011770 0.000000 0.000000 0.00000 SCALE2 0.000000 0.011679 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010208 0.00000