PDB Short entry for 4EVV HEADER HYDROLASE/DNA 26-APR-12 4EVV TITLE MOUSE MBD4 GLYCOSYLASE DOMAIN IN COMPLEX WITH A G:T MISMATCH COMPND MOL_ID: 1; COMPND 2 MOLECULE: METHYL-CPG-BINDING DOMAIN PROTEIN 4; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: GLYCOSYLASE DOMAIN, UNP RESIDUES 411-554; COMPND 5 SYNONYM: METHYL-CPG-BINDING PROTEIN MBD4, MISMATCH-SPECIFIC DNA N- COMPND 6 GLYCOSYLASE; COMPND 7 EC: 3.2.2.-; COMPND 8 ENGINEERED: YES; COMPND 9 MUTATION: YES; COMPND 10 MOL_ID: 2; COMPND 11 MOLECULE: DNA (5'-D(*TP*CP*AP*GP*CP*GP*CP*AP*TP*GP*G)-3'); COMPND 12 CHAIN: B; COMPND 13 ENGINEERED: YES; COMPND 14 MOL_ID: 3; COMPND 15 MOLECULE: DNA (5'-D(*CP*CP*AP*TP*GP*TP*GP*CP*TP*GP*A)-3'); COMPND 16 CHAIN: C; COMPND 17 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MUS MUSCULUS; SOURCE 3 ORGANISM_COMMON: MOUSE; SOURCE 4 ORGANISM_TAXID: 10090; SOURCE 5 GENE: MBD4; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PXC1064; SOURCE 9 MOL_ID: 2; SOURCE 10 SYNTHETIC: YES; SOURCE 11 OTHER_DETAILS: DNA SYNTHESIS; SOURCE 12 MOL_ID: 3; SOURCE 13 SYNTHETIC: YES; SOURCE 14 OTHER_DETAILS: DNA SYNTHESIS KEYWDS G:T MISMATCH, DEAMINATION OF CYTOSINE, ACTIVE DNA DEMETHYLATION, KEYWDS 2 HELIX-HAIRPIN-HELIX, DNA GLYCOSYLASES, HYDROLASE-DNA COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR H.HASHIMOTO,X.ZHANG,X.CHENG REVDAT 3 13-SEP-23 4EVV 1 REMARK SEQADV LINK REVDAT 2 10-OCT-12 4EVV 1 JRNL REVDAT 1 11-JUL-12 4EVV 0 JRNL AUTH H.HASHIMOTO,X.ZHANG,X.CHENG JRNL TITL EXCISION OF THYMINE AND 5-HYDROXYMETHYLURACIL BY THE MBD4 JRNL TITL 2 DNA GLYCOSYLASE DOMAIN: STRUCTURAL BASIS AND IMPLICATIONS JRNL TITL 3 FOR ACTIVE DNA DEMETHYLATION. JRNL REF NUCLEIC ACIDS RES. V. 40 8276 2012 JRNL REFN ISSN 0305-1048 JRNL PMID 22740654 JRNL DOI 10.1093/NAR/GKS628 REMARK 2 REMARK 2 RESOLUTION. 2.39 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (PHENIX.REFINE: 1.7.2_869) REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.39 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 40.58 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.350 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.4 REMARK 3 NUMBER OF REFLECTIONS : 11110 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.260 REMARK 3 R VALUE (WORKING SET) : 0.258 REMARK 3 FREE R VALUE : 0.298 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.980 REMARK 3 FREE R VALUE TEST SET COUNT : 553 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 40.5841 - 3.7812 0.99 2747 145 0.2297 0.2704 REMARK 3 2 3.7812 - 3.0016 1.00 2641 139 0.2671 0.2911 REMARK 3 3 3.0016 - 2.6222 1.00 2613 134 0.3114 0.3903 REMARK 3 4 2.6222 - 2.3900 0.98 2556 135 0.3711 0.4142 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.20 REMARK 3 SHRINKAGE RADIUS : 0.98 REMARK 3 K_SOL : 0.30 REMARK 3 B_SOL : 40.39 REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.800 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 29.570 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 61.54 REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.98030 REMARK 3 B22 (A**2) : -2.65410 REMARK 3 B33 (A**2) : 3.63450 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 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.003 1761 REMARK 3 ANGLE : 0.742 2485 REMARK 3 CHIRALITY : 0.043 264 REMARK 3 PLANARITY : 0.003 235 REMARK 3 DIHEDRAL : 20.139 661 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 4EVV COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 15-MAY-12. REMARK 100 THE DEPOSITION ID IS D_1000072133. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 30-NOV-11 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5.6 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 22-ID REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0 REMARK 200 MONOCHROMATOR : ROSENBAUM-ROCK DOUBLE-CRYSTAL REMARK 200 MONOCHROMATOR REMARK 200 OPTICS : SI (111) REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARMOSAIC 300 MM CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 11135 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.390 REMARK 200 RESOLUTION RANGE LOW (A) : 40.580 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.7 REMARK 200 DATA REDUNDANCY : 9.000 REMARK 200 R MERGE (I) : 0.06200 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 29.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.39 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.48 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.4 REMARK 200 DATA REDUNDANCY IN SHELL : 8.70 REMARK 200 R MERGE FOR SHELL (I) : 0.63200 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 3.200 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHENIX REMARK 200 STARTING MODEL: PDB ENTRY 1NGN REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 55.53 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.77 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 25% POLYETHYLENE GLYCOL 3350, 200 MM REMARK 280 NACL, 100 MM BIS-TRIS-HCL, PH 5.6, VAPOR DIFFUSION, SITTING DROP, REMARK 280 TEMPERATURE 289K 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 59.62000 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 59.62000 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 20.34500 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 55.38500 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 20.34500 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 55.38500 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 59.62000 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 20.34500 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 55.38500 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 59.62000 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 20.34500 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 55.38500 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 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: TRIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 3510 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 10130 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -25.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C 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 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 HOH A 722 LIES ON A SPECIAL POSITION. 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 HIS A 409 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 MET A 410 SD CE REMARK 470 ARG A 416 CG CD NE CZ NH1 NH2 REMARK 470 ARG A 471 CG CD NE CZ NH1 NH2 REMARK 470 GLU A 549 CG CD OE1 OE2 REMARK 470 LYS A 550 CG CD CE NZ REMARK 470 DC C 12 O5' C5' 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 DC B 5 O4' - C1' - N1 ANGL. DEV. = 2.4 DEGREES REMARK 500 DT C 15 O4' - C1' - N1 ANGL. DEV. = 2.1 DEGREES REMARK 500 DA C 22 O4' - C1' - N9 ANGL. DEV. = 3.1 DEGREES 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 NI A 602 NI REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ILE A 506 O REMARK 620 2 LEU A 508 O 88.7 REMARK 620 3 ILE A 511 O 121.1 119.4 REMARK 620 N 1 2 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EDO A 601 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NI A 602 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1NGN RELATED DB: PDB REMARK 900 APO-STRUCTURE OF MOUSE MBD4 GLYCOSYLASE DOMAIN REMARK 900 RELATED ID: 4EW0 RELATED DB: PDB REMARK 900 RELATED ID: 4EW4 RELATED DB: PDB DBREF 4EVV A 411 554 UNP Q9Z2D7 MBD4_MOUSE 411 554 DBREF 4EVV B 1 11 PDB 4EVV 4EVV 1 11 DBREF 4EVV C 12 22 PDB 4EVV 4EVV 12 22 SEQADV 4EVV HIS A 409 UNP Q9Z2D7 EXPRESSION TAG SEQADV 4EVV MET A 410 UNP Q9Z2D7 EXPRESSION TAG SEQADV 4EVV ASN A 534 UNP Q9Z2D7 ASP 534 ENGINEERED MUTATION SEQRES 1 A 146 HIS MET LYS TRP THR PRO PRO ARG SER PRO PHE ASN LEU SEQRES 2 A 146 VAL GLN GLU ILE LEU PHE HIS ASP PRO TRP LYS LEU LEU SEQRES 3 A 146 ILE ALA THR ILE PHE LEU ASN ARG THR SER GLY LYS MET SEQRES 4 A 146 ALA ILE PRO VAL LEU TRP GLU PHE LEU GLU LYS TYR PRO SEQRES 5 A 146 SER ALA GLU VAL ALA ARG ALA ALA ASP TRP ARG ASP VAL SEQRES 6 A 146 SER GLU LEU LEU LYS PRO LEU GLY LEU TYR ASP LEU ARG SEQRES 7 A 146 ALA LYS THR ILE ILE LYS PHE SER ASP GLU TYR LEU THR SEQRES 8 A 146 LYS GLN TRP ARG TYR PRO ILE GLU LEU HIS GLY ILE GLY SEQRES 9 A 146 LYS TYR GLY ASN ASP SER TYR ARG ILE PHE CYS VAL ASN SEQRES 10 A 146 GLU TRP LYS GLN VAL HIS PRO GLU ASN HIS LYS LEU ASN SEQRES 11 A 146 LYS TYR HIS ASP TRP LEU TRP GLU ASN HIS GLU LYS LEU SEQRES 12 A 146 SER LEU SER SEQRES 1 B 11 DT DC DA DG DC DG DC DA DT DG DG SEQRES 1 C 11 DC DC DA DT DG DT DG DC DT DG DA HET EDO A 601 4 HET NI A 602 1 HETNAM EDO 1,2-ETHANEDIOL HETNAM NI NICKEL (II) ION HETSYN EDO ETHYLENE GLYCOL FORMUL 4 EDO C2 H6 O2 FORMUL 5 NI NI 2+ FORMUL 6 HOH *36(H2 O) HELIX 1 1 LEU A 421 LEU A 426 5 6 HELIX 2 2 ASP A 429 LEU A 440 1 12 HELIX 3 3 SER A 444 TYR A 459 1 16 HELIX 4 4 SER A 461 ALA A 467 1 7 HELIX 5 5 ASP A 469 LYS A 478 1 10 HELIX 6 6 LEU A 482 THR A 499 1 18 HELIX 7 7 TYR A 504 LEU A 508 5 5 HELIX 8 8 GLY A 512 CYS A 523 1 12 HELIX 9 9 ASN A 534 HIS A 548 1 15 LINK O ILE A 506 NI NI A 602 1555 1555 1.98 LINK O LEU A 508 NI NI A 602 1555 1555 2.04 LINK O ILE A 511 NI NI A 602 1555 1555 2.00 SITE 1 AC1 3 ASN A 420 LEU A 421 VAL A 422 SITE 1 AC2 4 ILE A 506 LEU A 508 ILE A 511 DT C 20 CRYST1 40.690 110.770 119.240 90.00 90.00 90.00 C 2 2 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 0.024579 0.000000 0.000000 0.00000 SCALE2 0.000000 0.009028 0.000000 0.00000 SCALE3 0.000000 0.000000 0.008386 0.00000