HEADER HORMONE 25-NOV-92 6INS TITLE X-RAY ANALYSIS OF THE SINGLE CHAIN B29-A1 PEPTIDE-LINKED INSULIN TITLE 2 MOLECULE. A COMPLETELY INACTIVE ANALOGUE COMPND MOL_ID: 1; COMPND 2 MOLECULE: INSULIN; COMPND 3 CHAIN: E, F; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SUS SCROFA; SOURCE 3 ORGANISM_COMMON: PIG; SOURCE 4 ORGANISM_TAXID: 9823; SOURCE 5 COLLECTION: PANCREAS KEYWDS HORMONE EXPDTA X-RAY DIFFRACTION AUTHOR U.DEREWENDA,Z.DEREWENDA,E.J.DODSON,G.G.DODSON,X.BING,J.MARKUSSEN REVDAT 3 15-DEC-10 6INS 1 CRYST1 TITLE REVDAT 2 24-FEB-09 6INS 1 VERSN REVDAT 1 31-JAN-94 6INS 0 JRNL AUTH U.DEREWENDA,Z.DEREWENDA,E.J.DODSON,G.G.DODSON,X.BING, JRNL AUTH 2 J.MARKUSSEN JRNL TITL X-RAY ANALYSIS OF THE SINGLE CHAIN B29-A1 PEPTIDE-LINKED JRNL TITL 2 INSULIN MOLECULE. A COMPLETELY INACTIVE ANALOGUE. JRNL REF J.MOL.BIOL. V. 220 425 1991 JRNL REFN ISSN 0022-2836 JRNL PMID 1856866 JRNL DOI 10.1016/0022-2836(91)90022-X REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH E.N.BAKER,T.L.BLUNDELL,J.F.CUTFIELD,S.M.CUTFIELD,E.J.DODSON, REMARK 1 AUTH 2 G.G.DODSON,D.M.CROWFOOT HODGKIN,R.E.HUBBARD,N.W.ISAACS, REMARK 1 AUTH 3 C.D.REYNOLDS,K.SAKABE,N.SAKABE,N.M.VIJAYAN REMARK 1 TITL THE STRUCTURE OF 2ZN PIG INSULIN CRYSTALS AT 1.5 ANGSTROMS REMARK 1 TITL 2 RESOLUTION REMARK 1 REF PHILOS.TRANS.R.SOC.LONDON, V. 319 369 1988 REMARK 1 REF 2 SER.B REMARK 1 REFN ISSN 0080-4622 REMARK 2 REMARK 2 RESOLUTION. 2.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PROLSQ REMARK 3 AUTHORS : KONNERT,HENDRICKSON REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : NULL REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 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 + TEST SET) : 0.179 REMARK 3 R VALUE (WORKING SET) : NULL 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 REMARK 3 FIT/AGREEMENT OF MODEL WITH ALL DATA. REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : NULL REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : NULL REMARK 3 FREE R VALUE (NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 788 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 2 REMARK 3 SOLVENT ATOMS : 179 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 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : 0.024 ; 0.020 REMARK 3 ANGLE DISTANCE (A) : 0.055 ; 0.040 REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : 0.069 ; 0.060 REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : 0.021 ; 0.020 REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : 0.158 ; 0.120 REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : 0.200 ; 0.300 REMARK 3 MULTIPLE TORSION (A) : 0.256 ; 0.300 REMARK 3 H-BOND (X...Y) (A) : NULL ; NULL REMARK 3 H-BOND (X-H...Y) (A) : 0.365 ; 0.300 REMARK 3 REMARK 3 CONFORMATIONAL TORSION ANGLE RESTRAINTS. REMARK 3 SPECIFIED (DEGREES) : NULL ; NULL REMARK 3 PLANAR (DEGREES) : 5.200 ; 20.000 REMARK 3 STAGGERED (DEGREES) : 25.800; 20.000 REMARK 3 TRANSVERSE (DEGREES) : NULL ; 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 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 6INS COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. 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 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 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 38.51 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.00 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL 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 39.61000 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 22.86884 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 12.58333 REMARK 290 SMTRY1 5 -0.500000 -0.866025 0.000000 39.61000 REMARK 290 SMTRY2 5 0.866025 -0.500000 0.000000 22.86884 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 12.58333 REMARK 290 SMTRY1 6 -0.500000 0.866025 0.000000 39.61000 REMARK 290 SMTRY2 6 -0.866025 -0.500000 0.000000 22.86884 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 12.58333 REMARK 290 SMTRY1 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 45.73769 REMARK 290 SMTRY3 7 0.000000 0.000000 1.000000 25.16667 REMARK 290 SMTRY1 8 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 8 0.866025 -0.500000 0.000000 45.73769 REMARK 290 SMTRY3 8 0.000000 0.000000 1.000000 25.16667 REMARK 290 SMTRY1 9 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 9 -0.866025 -0.500000 0.000000 45.73769 REMARK 290 SMTRY3 9 0.000000 0.000000 1.000000 25.16667 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 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: 1230 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 6180 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -9.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: E, F 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 REMARK 350 BIOMOLECULE: 2 REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: HEXAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 8630 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 13790 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -171.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: E, F 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 HOH E 31 LIES ON A SPECIAL POSITION. REMARK 375 HOH E 70 LIES ON A SPECIAL POSITION. REMARK 375 HOH F 81 LIES ON A SPECIAL POSITION. REMARK 375 HOH E 69 LIES ON A SPECIAL POSITION. REMARK 375 ZN ZN F 30 LIES ON A SPECIAL POSITION. REMARK 375 ZN ZN E 30 LIES ON A SPECIAL POSITION. REMARK 375 HOH E 102 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 VAL E 2B CB CG1 CG2 REMARK 470 VAL F 2D CG1 REMARK 470 ASN F 3D OD1 ND2 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 GLU F 21D CG CD OE1 OE2 REMARK 480 VAL F 3C CG1 CG2 REMARK 480 THR F 8C OG1 CG2 REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH E 33 DISTANCE = 5.50 ANGSTROMS REMARK 525 HOH E 43 DISTANCE = 5.74 ANGSTROMS REMARK 525 HOH F 43 DISTANCE = 6.55 ANGSTROMS REMARK 525 HOH E 46 DISTANCE = 7.28 ANGSTROMS REMARK 525 HOH E 50 DISTANCE = 14.70 ANGSTROMS REMARK 525 HOH E 51 DISTANCE = 10.30 ANGSTROMS REMARK 525 HOH F 53 DISTANCE = 6.38 ANGSTROMS REMARK 525 HOH F 57 DISTANCE = 5.87 ANGSTROMS REMARK 525 HOH E 62 DISTANCE = 5.43 ANGSTROMS REMARK 525 HOH E 69 DISTANCE = 5.98 ANGSTROMS REMARK 525 HOH F 69 DISTANCE = 7.26 ANGSTROMS REMARK 525 HOH F 73 DISTANCE = 6.73 ANGSTROMS REMARK 525 HOH F 78 DISTANCE = 9.94 ANGSTROMS REMARK 525 HOH F 85 DISTANCE = 6.69 ANGSTROMS REMARK 525 HOH F 95 DISTANCE = 8.66 ANGSTROMS REMARK 525 HOH F 108 DISTANCE = 7.68 ANGSTROMS REMARK 525 HOH F 109 DISTANCE = 5.95 ANGSTROMS REMARK 525 HOH F 110 DISTANCE = 7.04 ANGSTROMS REMARK 600 REMARK 600 HETEROGEN REMARK 600 6INS REMARK 600 ALTHOUGH THE CRYSTALLIZATION RECIPE FOR 4ZN INSULIN WAS 6INS REMARK 600 FOLLOWED, ONLY 2 ZINC IONS WERE FOUND PER INSULIN HEXAMER. 6INS REMARK 600 THE OFF-AXIAL ZINC SITES IN MOLECULE 2 ARE OCCUPIED BY 6INS REMARK 600 WATER. 6INS 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 E 30 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS E 10B NE2 REMARK 620 2 HOH E 31 O 115.0 REMARK 620 N 1 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN F 30 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN E 30 DBREF 6INS E 1B 29B UNP P01315 INS_PIG 25 53 DBREF 6INS E 1A 21A UNP P01315 INS_PIG 88 108 DBREF 6INS F 1D 29D UNP P01315 INS_PIG 25 53 DBREF 6INS F 1C 21C UNP P01315 INS_PIG 88 108 SEQRES 1 E 50 PHE VAL ASN GLN HIS LEU CYS GLY SER HIS LEU VAL GLU SEQRES 2 E 50 ALA LEU TYR LEU VAL CYS GLY GLU ARG GLY PHE PHE TYR SEQRES 3 E 50 THR PRO LYS GLY ILE VAL GLU GLN CYS CYS THR SER ILE SEQRES 4 E 50 CYS SER LEU TYR GLN LEU GLU ASN TYR CYS ASN SEQRES 1 F 50 PHE VAL ASN GLN HIS LEU CYS GLY SER HIS LEU VAL GLU SEQRES 2 F 50 ALA LEU TYR LEU VAL CYS GLY GLU ARG GLY PHE PHE TYR SEQRES 3 F 50 THR PRO LYS GLY ILE VAL GLU GLN CYS CYS THR SER ILE SEQRES 4 F 50 CYS SER LEU TYR GLN LEU GLU ASN TYR CYS ASN HET ZN F 30 1 HET ZN E 30 1 HETNAM ZN ZINC ION FORMUL 3 ZN 2(ZN 2+) FORMUL 5 HOH *179(H2 O) HELIX 1 1 PHE E 1B GLY E 20B 1 20 HELIX 2 2 LYS E 29B CYS E 7A 1 8 HELIX 3 3 SER E 12A GLU E 17A 1 6 HELIX 4 4 ASN E 18A CYS E 20A 5 3 HELIX 5 5 GLY F 8D GLY F 20D 1 13 HELIX 6 6 GLU F 21D GLY F 23D 5 3 HELIX 7 7 ILE F 2C CYS F 7C 1 6 HELIX 8 8 SER F 12C GLU F 17C 1 6 HELIX 9 9 ASN F 18C CYS F 20C 5 3 SHEET 1 A 2 PHE E 24B TYR E 26B 0 SHEET 2 A 2 PHE F 24D TYR F 26D-1 O TYR F 26D N PHE E 24B SSBOND 1 CYS E 7B CYS E 7A 1555 1555 1.92 SSBOND 2 CYS E 19B CYS E 20A 1555 1555 2.10 SSBOND 3 CYS E 6A CYS E 11A 1555 1555 1.94 SSBOND 4 CYS F 7D CYS F 7C 1555 1555 1.95 SSBOND 5 CYS F 19D CYS F 20C 1555 1555 1.99 SSBOND 6 CYS F 6C CYS F 11C 1555 1555 1.98 LINK ZN ZN E 30 NE2 HIS E 10B 1555 2555 1.84 LINK ZN ZN E 30 NE2 HIS E 10B 1555 1555 1.87 LINK ZN ZN E 30 O HOH E 31 1555 1555 2.29 LINK ZN ZN E 30 O HOH E 31 1555 2555 2.29 LINK ZN ZN E 30 O HOH E 31 1555 3555 2.29 LINK ZN ZN E 30 NE2 HIS E 10B 1555 3555 1.85 LINK ZN ZN F 30 NE2 HIS F 10D 1555 2555 2.12 LINK ZN ZN F 30 NE2 HIS F 10D 1555 1555 2.12 LINK ZN ZN F 30 NE2 HIS F 10D 1555 3555 2.12 SITE 1 AC1 2 HIS F 10D HOH F 81 SITE 1 AC2 2 HIS E 10B HOH E 31 CRYST1 79.220 79.220 37.750 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 0.012623 0.007288 0.000000 0.00000 SCALE2 0.000000 0.014576 0.000000 0.00000 SCALE3 0.000000 0.000000 0.026490 0.00000