PDB Short entry for 1MSO HEADER HORMONE/GROWTH FACTOR 19-SEP-02 1MSO TITLE T6 HUMAN INSULIN AT 1.0 A RESOLUTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: INSULIN A-CHAIN; COMPND 3 CHAIN: A, C; COMPND 4 ENGINEERED: YES; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: INSULIN B-CHAIN; COMPND 7 CHAIN: B, D; COMPND 8 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 OTHER_DETAILS: THIS SEQUENCE OCCURS NATURALLY IN HOMO SAPIENS; SOURCE 4 MOL_ID: 2; SOURCE 5 SYNTHETIC: YES; SOURCE 6 OTHER_DETAILS: THIS SEQUENCE OCCURS NATURALLY IN HOMO SAPIENS KEYWDS T6 CONFORMATION, HORMONE-GROWTH FACTOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR G.D.SMITH,W.A.PANGBORN,R.H.BLESSING REVDAT 4 11-OCT-17 1MSO 1 REMARK REVDAT 3 13-JUL-11 1MSO 1 VERSN REVDAT 2 24-FEB-09 1MSO 1 VERSN REVDAT 1 04-MAR-03 1MSO 0 JRNL AUTH G.D.SMITH,W.A.PANGBORN,R.H.BLESSING JRNL TITL THE STRUCTURE OF T6 HUMAN INSULIN AT 1.0 A RESOLUTION. JRNL REF ACTA CRYSTALLOGR.,SECT.D V. 59 474 2003 JRNL REFN ISSN 0907-4449 JRNL PMID 12595704 JRNL DOI 10.1107/S0907444902023685 REMARK 2 REMARK 2 RESOLUTION. 1.00 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) : 1.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.40 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 91.8 REMARK 3 NUMBER OF REFLECTIONS : 41170 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) : 0.183 REMARK 3 FREE R VALUE : 0.201 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.200 REMARK 3 FREE R VALUE TEST SET COUNT : 4194 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.003 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) : 1.00 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.06 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 77.60 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 5238 REMARK 3 BIN R VALUE (WORKING SET) : 0.3820 REMARK 3 BIN FREE R VALUE : 0.3970 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 9.60 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 556 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.017 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 804 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 2 REMARK 3 SOLVENT ATOMS : 226 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 7.42 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 12.40 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.89000 REMARK 3 B22 (A**2) : 0.89000 REMARK 3 B33 (A**2) : -1.78000 REMARK 3 B12 (A**2) : 0.54000 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) : 0.12 REMARK 3 ESD FROM SIGMAA (A) : 0.16 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) : 0.14 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.16 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.011 REMARK 3 BOND ANGLES (DEGREES) : 2.200 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 20.80 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.100 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : ISOTROPIC REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.928 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.387 ; 2.500 REMARK 3 SIDE-CHAIN BOND (A**2) : 3.842 ; 2.500 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 3.892 ; 3.000 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.36 REMARK 3 BSOL : 49.93 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: USED CNS_SOLVE VERSION 1.1 REMARK 4 REMARK 4 1MSO COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 26-SEP-02. REMARK 100 THE DEPOSITION ID IS D_1000017151. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 01-NOV-97 REMARK 200 TEMPERATURE (KELVIN) : 120 REMARK 200 PH : 6.3 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 RU200 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : GOBEL DIFFRACTION-MIRRORS REMARK 200 MONOCHROMATOR REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : BRUKER SMART 2000 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : SORTAV, SMART V. 2000 (BRUKER) REMARK 200 DATA SCALING SOFTWARE : SORTAV REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 41170 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.000 REMARK 200 RESOLUTION RANGE LOW (A) : 30.400 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 91.7 REMARK 200 DATA REDUNDANCY : 1.800 REMARK 200 R MERGE (I) : 0.04910 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 11.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.00 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.02 REMARK 200 COMPLETENESS FOR SHELL (%) : 75.0 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.36900 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 2.300 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: PDB ENTRY 4INS REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 33.22 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.84 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.001 M HCL, 0.007 M ZINC ACETATE, REMARK 280 0.05 M SODIUM CITRATE, 17% ACETONE, PH 6.3, SLOW COOLING AT 298K, REMARK 280 TEMPERATURE 298.0K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: H 3 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z REMARK 290 3555 -X+Y,-X,Z REMARK 290 4555 X+2/3,Y+1/3,Z+1/3 REMARK 290 5555 -Y+2/3,X-Y+1/3,Z+1/3 REMARK 290 6555 -X+Y+2/3,-X+1/3,Z+1/3 REMARK 290 7555 X+1/3,Y+2/3,Z+2/3 REMARK 290 8555 -Y+1/3,X-Y+2/3,Z+2/3 REMARK 290 9555 -X+Y+1/3,-X+2/3,Z+2/3 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 40.64300 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 23.46525 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 11.23800 REMARK 290 SMTRY1 5 -0.500000 -0.866025 0.000000 40.64300 REMARK 290 SMTRY2 5 0.866025 -0.500000 0.000000 23.46525 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 11.23800 REMARK 290 SMTRY1 6 -0.500000 0.866025 0.000000 40.64300 REMARK 290 SMTRY2 6 -0.866025 -0.500000 0.000000 23.46525 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 11.23800 REMARK 290 SMTRY1 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 46.93049 REMARK 290 SMTRY3 7 0.000000 0.000000 1.000000 22.47600 REMARK 290 SMTRY1 8 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 8 0.866025 -0.500000 0.000000 46.93049 REMARK 290 SMTRY3 8 0.000000 0.000000 1.000000 22.47600 REMARK 290 SMTRY1 9 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 9 -0.866025 -0.500000 0.000000 46.93049 REMARK 290 SMTRY3 9 0.000000 0.000000 1.000000 22.47600 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 INSULIN HEXAMER IS GENERATED FROM THE DIMER IN THE REMARK 300 ASYMMETRY UNIT BY THE SYMMETRY OPERATIONS, X,Y,Z; -Y,X-Y,Z; Y-X,-X,Z 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: DODECAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DODECAMERIC REMARK 350 SOFTWARE USED: PISA,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 19340 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 12750 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -249.0 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 350 BIOMT1 2 -0.500000 -0.866025 0.000000 0.00000 REMARK 350 BIOMT2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 350 BIOMT2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 350 BIOMT3 3 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 ZN ZN D 501 LIES ON A SPECIAL POSITION. REMARK 375 ZN ZN D 502 LIES ON A SPECIAL POSITION. REMARK 375 HOH B 606 LIES ON A SPECIAL POSITION. REMARK 375 HOH B 634 LIES ON A SPECIAL POSITION. 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 PHE D 1 CG CD1 CD2 CE1 CE2 CZ 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 9 -129.28 -125.92 REMARK 500 SER C 9 -159.73 -92.76 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 ZN D 501 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS B 10 NE2 REMARK 620 2 HOH B 511 O 97.0 REMARK 620 3 HIS B 10 NE2 97.1 96.1 REMARK 620 4 HIS B 10 NE2 97.1 159.3 97.1 REMARK 620 5 HOH B 511 O 159.3 66.5 97.0 96.1 REMARK 620 6 HOH B 511 O 96.1 66.5 159.3 97.0 66.5 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN D 502 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS D 10 NE2 REMARK 620 2 HOH D 512 O 92.3 REMARK 620 3 HOH D 512 O 165.5 77.5 REMARK 620 4 HIS D 10 NE2 98.1 165.5 90.4 REMARK 620 5 HOH D 512 O 90.4 77.5 77.5 92.3 REMARK 620 6 HIS D 10 NE2 98.1 90.4 92.3 98.1 165.5 REMARK 620 N 1 2 3 4 5 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN D 501 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN D 502 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 4INS RELATED DB: PDB REMARK 900 T6 PORCINE INSULIN AT 1.5 A RESOLUTION DBREF 1MSO A 1 21 UNP P01308 INS_HUMAN 90 110 DBREF 1MSO B 1 30 UNP P01308 INS_HUMAN 25 54 DBREF 1MSO C 1 21 UNP P01308 INS_HUMAN 90 110 DBREF 1MSO D 1 30 UNP P01308 INS_HUMAN 25 54 SEQRES 1 A 21 GLY ILE VAL GLU GLN CYS CYS THR SER ILE CYS SER LEU SEQRES 2 A 21 TYR GLN LEU GLU ASN TYR CYS ASN SEQRES 1 B 30 PHE VAL ASN GLN HIS LEU CYS GLY SER HIS LEU VAL GLU SEQRES 2 B 30 ALA LEU TYR LEU VAL CYS GLY GLU ARG GLY PHE PHE TYR SEQRES 3 B 30 THR PRO LYS THR SEQRES 1 C 21 GLY ILE VAL GLU GLN CYS CYS THR SER ILE CYS SER LEU SEQRES 2 C 21 TYR GLN LEU GLU ASN TYR CYS ASN SEQRES 1 D 30 PHE VAL ASN GLN HIS LEU CYS GLY SER HIS LEU VAL GLU SEQRES 2 D 30 ALA LEU TYR LEU VAL CYS GLY GLU ARG GLY PHE PHE TYR SEQRES 3 D 30 THR PRO LYS THR HET ZN D 501 1 HET ZN D 502 1 HETNAM ZN ZINC ION FORMUL 5 ZN 2(ZN 2+) FORMUL 7 HOH *226(H2 O) HELIX 1 1 GLY A 1 SER A 9 1 9 HELIX 2 2 SER A 12 ASN A 18 1 7 HELIX 3 3 GLY B 8 GLY B 20 1 13 HELIX 4 4 GLU B 21 GLY B 23 5 3 HELIX 5 5 GLY C 1 CYS C 7 1 7 HELIX 6 6 SER C 12 GLU C 17 1 6 HELIX 7 7 ASN C 18 CYS C 20 5 3 HELIX 8 8 GLY D 8 GLY D 20 1 13 HELIX 9 9 GLU D 21 GLY D 23 5 3 SHEET 1 A 2 PHE B 24 TYR B 26 0 SHEET 2 A 2 PHE D 24 TYR D 26 -1 O TYR D 26 N PHE B 24 SSBOND 1 CYS A 6 CYS A 11 1555 1555 2.04 SSBOND 2 CYS A 7 CYS B 7 1555 1555 2.05 SSBOND 3 CYS A 20 CYS B 19 1555 1555 2.02 SSBOND 4 CYS C 6 CYS C 11 1555 1555 2.09 SSBOND 5 CYS C 7 CYS D 7 1555 1555 2.03 SSBOND 6 CYS C 20 CYS D 19 1555 1555 2.01 LINK ZN ZN D 501 NE2 HIS B 10 1555 1555 2.09 LINK ZN ZN D 501 O HOH B 511 1555 1555 2.20 LINK ZN ZN D 502 NE2 HIS D 10 1555 1555 2.10 LINK ZN ZN D 502 O HOH D 512 1555 1555 2.23 LINK ZN ZN D 501 NE2 HIS B 10 1555 2555 2.09 LINK ZN ZN D 501 NE2 HIS B 10 1555 3555 2.09 LINK ZN ZN D 501 O HOH B 511 1555 2555 2.20 LINK ZN ZN D 501 O HOH B 511 1555 3555 2.20 LINK ZN ZN D 502 O HOH D 512 1555 3555 2.23 LINK ZN ZN D 502 NE2 HIS D 10 1555 2555 2.10 LINK ZN ZN D 502 O HOH D 512 1555 2555 2.23 LINK ZN ZN D 502 NE2 HIS D 10 1555 3555 2.10 SITE 1 AC1 2 HIS B 10 HOH B 511 SITE 1 AC2 2 HIS D 10 HOH D 512 CRYST1 81.286 81.286 33.714 90.00 90.00 120.00 H 3 18 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 0.012302 0.007103 0.000000 0.00000 SCALE2 0.000000 0.014205 0.000000 0.00000 SCALE3 0.000000 0.000000 0.029661 0.00000