HEADER HORMONE/GROWTH FACTOR 18-MAR-03 1OS4 TITLE DEHYDRATED T6 HUMAN INSULIN AT 295 K COMPND MOL_ID: 1; COMPND 2 MOLECULE: INSULIN; COMPND 3 CHAIN: A, C, E, G, I, K; COMPND 4 FRAGMENT: A-CHAIN; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: INSULIN; COMPND 7 CHAIN: B, D, F, H, J, L; COMPND 8 FRAGMENT: B-CHAIN SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 MOL_ID: 2; SOURCE 6 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 7 ORGANISM_COMMON: HUMAN; SOURCE 8 ORGANISM_TAXID: 9606 KEYWDS AIR DRIED CRYSTAL, DATA MEASURED AT 298 K, HORMONE/GROWTH KEYWDS 2 FACTOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR G.D.SMITH,R.H.BLESSING REVDAT 2 24-FEB-09 1OS4 1 VERSN REVDAT 1 29-JUL-03 1OS4 0 JRNL AUTH G.D.SMITH,R.H.BLESSING JRNL TITL LESSONS FROM AN AGED, DRIED CRYSTAL OF T(6) HUMAN JRNL TITL 2 INSULIN. JRNL REF ACTA CRYSTALLOGR.,SECT.D V. 59 1384 2003 JRNL REFN ISSN 0907-4449 JRNL PMID 12876340 JRNL DOI 10.1107/S090744490301165X REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH G.D.SMITH,W.A.PANGBORN,R.H.BLESSING REMARK 1 TITL THE STRUCTURE OF T6 HUMAN INSULIN AT 1.0 A REMARK 1 TITL 2 RESOLUTION. REMARK 1 REF ACTA CRYSTALLOGR.,SECT.D V. 59 474 2003 REMARK 1 REFN ISSN 0907-4449 REMARK 1 DOI 10.1107/S0907444902023685 REMARK 1 REFERENCE 2 REMARK 1 AUTH E.N.BAKER,T.L.BLUNDEL,J.F.CUTFIELD,S.M.CUTFIELD, REMARK 1 AUTH 2 E.J.DODSON,G.G.DODSON,D.M.C.HODGKIN,R.E.HUBBARD, REMARK 1 AUTH 3 N.W.ISAACS,C.D.REYNOLDS REMARK 1 TITL THE STRUCTURE OF 2ZN PIG INSULIN CRYSTALS AT 1.5 A REMARK 1 TITL 2 RESOLTUION. 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 1 REFERENCE 3 REMARK 1 AUTH A.WLODAWER,H.SAVAGE,G.DODSON REMARK 1 TITL STRUCTURE OF INSULIN: RESULTS OF JOINT NEUTRON AND REMARK 1 TITL 2 X-RAY REFINEMENT. REMARK 1 REF ACTA CRYSTALLOGR.,SECT.B V. 45 99 1989 REMARK 1 REFN ISSN 0108-7681 REMARK 1 DOI 10.1107/S0108768188011012 REMARK 2 REMARK 2 RESOLUTION. 2.25 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 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) : 2.25 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 41.64 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) (%) : 82.6 REMARK 3 NUMBER OF REFLECTIONS : 10239 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) : 0.243 REMARK 3 FREE R VALUE : 0.295 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 1053 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) : 2.25 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.39 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 86.20 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1586 REMARK 3 BIN R VALUE (WORKING SET) : 0.3100 REMARK 3 BIN FREE R VALUE : 0.3760 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : 172 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.029 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2259 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 2 REMARK 3 SOLVENT ATOMS : 16 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 42.70 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 44.80 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.76000 REMARK 3 B22 (A**2) : 0.00000 REMARK 3 B33 (A**2) : 0.76000 REMARK 3 B12 (A**2) : 0.30000 REMARK 3 B13 (A**2) : 1.46000 REMARK 3 B23 (A**2) : 4.99000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.31 REMARK 3 ESD FROM SIGMAA (A) : 0.34 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) : 0.44 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.44 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.007 REMARK 3 BOND ANGLES (DEGREES) : 1.20 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 22.20 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.81 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) : 1.520 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.540 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 1.940 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 2.780 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.41 REMARK 3 BSOL : 65.30 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 1OS4 COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 19-MAR-03. REMARK 100 THE RCSB ID CODE IS RCSB018614. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 24-JUN-02 REMARK 200 TEMPERATURE (KELVIN) : 295.0 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 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : OSMIC CONFOCAL MIRRORS REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IV REMARK 200 INTENSITY-INTEGRATION SOFTWARE : CRYSTALCLEAR (MSC/RIGAKU) REMARK 200 DATA SCALING SOFTWARE : D*TREK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 10252 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.250 REMARK 200 RESOLUTION RANGE LOW (A) : 41.640 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 82.8 REMARK 200 DATA REDUNDANCY : 1.500 REMARK 200 R MERGE (I) : 0.07000 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 7.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.25 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.33 REMARK 200 COMPLETENESS FOR SHELL (%) : 85.9 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.28900 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 1.600 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 4INS REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 41.43 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.12 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: HYDROCHLORIC ACID, ZINC ACETATE, REMARK 280 SODIUM CITRATE, ACETONE, PH 6.3, SLOW COOLING, TEMPERATURE REMARK 280 295.K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,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 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 BIOLOGICAL ASSEMBLY IS A HEXAMER WHICH IS CONTAINED REMARK 300 IN THE ASYMMETRIC UNIT. 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 REMARK 350 TOTAL BURIED SURFACE AREA: 18630 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 11390 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -246.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D, E, F, G, H, I, REMARK 350 AND CHAINS: J, K, L 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 THR B 30 REMARK 465 LYS D 29 REMARK 465 THR D 30 REMARK 465 LYS F 29 REMARK 465 THR F 30 REMARK 465 GLY G 1 REMARK 465 LYS H 29 REMARK 465 THR H 30 REMARK 465 LYS J 29 REMARK 465 THR J 30 REMARK 465 LYS L 29 REMARK 465 THR L 30 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 GLU A 4 CG CD OE1 OE2 REMARK 470 GLU B 21 CG CD OE1 OE2 REMARK 470 ARG B 22 CG CD NE CZ NH1 NH2 REMARK 470 LYS B 29 CG CD CE NZ REMARK 470 ASN D 3 CG OD1 ND2 REMARK 470 GLU D 21 CG CD OE1 OE2 REMARK 470 ILE E 2 CG1 CG2 CD1 REMARK 470 GLU F 13 CD OE1 OE2 REMARK 470 GLU F 21 CG CD OE1 OE2 REMARK 470 ARG F 22 CG CD NE CZ NH1 NH2 REMARK 470 ILE G 2 CG1 CG2 CD1 REMARK 470 VAL G 3 CG1 CG2 REMARK 470 GLU G 4 CG CD OE1 OE2 REMARK 470 GLN G 5 CG CD OE1 NE2 REMARK 470 GLU J 21 CG CD OE1 OE2 REMARK 470 ARG J 22 CG CD NE CZ NH1 NH2 REMARK 470 VAL K 3 CG1 CG2 REMARK 470 GLN K 5 CG CD OE1 NE2 REMARK 470 GLU L 21 CG CD OE1 OE2 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 -117.51 -121.99 REMARK 500 CYS A 20 172.35 -58.61 REMARK 500 GLU C 4 30.49 -73.84 REMARK 500 GLN C 5 -47.08 -147.93 REMARK 500 CYS C 7 -60.26 -90.31 REMARK 500 SER C 9 -151.02 -94.83 REMARK 500 VAL D 2 154.50 -46.99 REMARK 500 SER E 9 -122.55 -127.16 REMARK 500 GLN G 5 -77.24 -90.95 REMARK 500 SER G 9 -137.10 -95.92 REMARK 500 SER I 9 -121.94 -130.67 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 B1301 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS B 10 NE2 REMARK 620 2 HIS F 10 NE2 109.7 REMARK 620 3 HIS J 10 NE2 92.8 105.3 REMARK 620 4 HOH F1303 O 109.5 111.1 126.5 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN D1302 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS H 10 NE2 REMARK 620 2 HIS L 10 NE2 120.3 REMARK 620 3 HOH H1304 O 97.3 96.9 REMARK 620 4 HIS D 10 NE2 110.4 95.4 138.1 REMARK 620 N 1 2 3 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN B 1301 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN D 1302 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1MSO RELATED DB: PDB REMARK 900 T6 HUMAN INSULIN AT 1.0 A RESOLUTION AND 120 K REMARK 900 RELATED ID: 4INS RELATED DB: PDB REMARK 900 T6 PORCINE INSULIN AT 1.5 A RESOLUTION REMARK 900 RELATED ID: 3INS RELATED DB: PDB REMARK 900 T6 PORCINE INSULIN; JOINT X-RAY AND NEUTRON REFINEMENT DBREF 1OS4 A 1 21 UNP P01308 INS_HUMAN 90 110 DBREF 1OS4 B 1 30 UNP P01308 INS_HUMAN 25 54 DBREF 1OS4 C 1 21 UNP P01308 INS_HUMAN 90 110 DBREF 1OS4 D 1 30 UNP P01308 INS_HUMAN 25 54 DBREF 1OS4 E 1 21 UNP P01308 INS_HUMAN 90 110 DBREF 1OS4 F 1 30 UNP P01308 INS_HUMAN 25 54 DBREF 1OS4 G 1 21 UNP P01308 INS_HUMAN 90 110 DBREF 1OS4 H 1 30 UNP P01308 INS_HUMAN 25 54 DBREF 1OS4 I 1 21 UNP P01308 INS_HUMAN 90 110 DBREF 1OS4 J 1 30 UNP P01308 INS_HUMAN 25 54 DBREF 1OS4 K 1 21 UNP P01308 INS_HUMAN 90 110 DBREF 1OS4 L 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 SEQRES 1 E 21 GLY ILE VAL GLU GLN CYS CYS THR SER ILE CYS SER LEU SEQRES 2 E 21 TYR GLN LEU GLU ASN TYR CYS ASN SEQRES 1 F 30 PHE VAL ASN GLN HIS LEU CYS GLY SER HIS LEU VAL GLU SEQRES 2 F 30 ALA LEU TYR LEU VAL CYS GLY GLU ARG GLY PHE PHE TYR SEQRES 3 F 30 THR PRO LYS THR SEQRES 1 G 21 GLY ILE VAL GLU GLN CYS CYS THR SER ILE CYS SER LEU SEQRES 2 G 21 TYR GLN LEU GLU ASN TYR CYS ASN SEQRES 1 H 30 PHE VAL ASN GLN HIS LEU CYS GLY SER HIS LEU VAL GLU SEQRES 2 H 30 ALA LEU TYR LEU VAL CYS GLY GLU ARG GLY PHE PHE TYR SEQRES 3 H 30 THR PRO LYS THR SEQRES 1 I 21 GLY ILE VAL GLU GLN CYS CYS THR SER ILE CYS SER LEU SEQRES 2 I 21 TYR GLN LEU GLU ASN TYR CYS ASN SEQRES 1 J 30 PHE VAL ASN GLN HIS LEU CYS GLY SER HIS LEU VAL GLU SEQRES 2 J 30 ALA LEU TYR LEU VAL CYS GLY GLU ARG GLY PHE PHE TYR SEQRES 3 J 30 THR PRO LYS THR SEQRES 1 K 21 GLY ILE VAL GLU GLN CYS CYS THR SER ILE CYS SER LEU SEQRES 2 K 21 TYR GLN LEU GLU ASN TYR CYS ASN SEQRES 1 L 30 PHE VAL ASN GLN HIS LEU CYS GLY SER HIS LEU VAL GLU SEQRES 2 L 30 ALA LEU TYR LEU VAL CYS GLY GLU ARG GLY PHE PHE TYR SEQRES 3 L 30 THR PRO LYS THR HET ZN B1301 1 HET ZN D1302 1 HETNAM ZN ZINC ION FORMUL 13 ZN 2(ZN 2+) FORMUL 15 HOH *16(H2 O) HELIX 1 1 GLY A 1 SER A 9 1 9 HELIX 2 2 SER A 12 GLU A 17 1 6 HELIX 3 3 ASN A 18 CYS A 20 5 3 HELIX 4 4 CYS B 7 GLY B 20 1 14 HELIX 5 5 GLU B 21 GLY B 23 5 3 HELIX 6 6 ILE C 2 CYS C 7 1 6 HELIX 7 7 SER C 12 GLU C 17 1 6 HELIX 8 8 ASN C 18 CYS C 20 5 3 HELIX 9 9 GLY D 8 GLY D 20 1 13 HELIX 10 10 GLU D 21 GLY D 23 5 3 HELIX 11 11 GLY E 1 SER E 9 1 9 HELIX 12 12 SER E 12 GLU E 17 1 6 HELIX 13 13 ASN E 18 CYS E 20 5 3 HELIX 14 14 GLY F 8 GLY F 20 1 13 HELIX 15 15 GLU F 21 GLY F 23 5 3 HELIX 16 16 TYR G 14 CYS G 20 5 7 HELIX 17 17 GLY H 8 GLY H 20 1 13 HELIX 18 18 GLU H 21 GLY H 23 5 3 HELIX 19 19 GLY I 1 SER I 9 1 9 HELIX 20 20 SER I 12 GLU I 17 1 6 HELIX 21 21 ASN I 18 CYS I 20 5 3 HELIX 22 22 GLY J 8 GLY J 20 1 13 HELIX 23 23 GLU J 21 GLY J 23 5 3 HELIX 24 24 ILE K 2 CYS K 7 1 6 HELIX 25 25 SER K 12 GLU K 17 1 6 HELIX 26 26 ASN K 18 CYS K 20 5 3 HELIX 27 27 CYS L 7 GLY L 20 1 14 HELIX 28 28 GLU L 21 GLY L 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 PHE D 24 N TYR B 26 SHEET 1 B 2 PHE F 24 TYR F 26 0 SHEET 2 B 2 PHE H 24 TYR H 26 -1 O TYR H 26 N PHE F 24 SHEET 1 C 2 PHE J 24 TYR J 26 0 SHEET 2 C 2 PHE L 24 TYR L 26 -1 O PHE L 24 N TYR J 26 SSBOND 1 CYS A 6 CYS A 11 1555 1555 2.03 SSBOND 2 CYS A 7 CYS B 7 1555 1555 2.03 SSBOND 3 CYS A 20 CYS B 19 1555 1555 2.04 SSBOND 4 CYS C 6 CYS C 11 1555 1555 2.03 SSBOND 5 CYS C 7 CYS D 7 1555 1555 2.03 SSBOND 6 CYS C 20 CYS D 19 1555 1555 2.02 SSBOND 7 CYS E 6 CYS E 11 1555 1555 2.04 SSBOND 8 CYS E 7 CYS F 7 1555 1555 2.03 SSBOND 9 CYS E 20 CYS F 19 1555 1555 2.03 SSBOND 10 CYS G 6 CYS G 11 1555 1555 2.03 SSBOND 11 CYS G 7 CYS H 7 1555 1555 2.03 SSBOND 12 CYS G 20 CYS H 19 1555 1555 2.03 SSBOND 13 CYS I 6 CYS I 11 1555 1555 2.04 SSBOND 14 CYS I 7 CYS J 7 1555 1555 2.03 SSBOND 15 CYS I 20 CYS J 19 1555 1555 2.04 SSBOND 16 CYS K 6 CYS K 11 1555 1555 2.04 SSBOND 17 CYS K 7 CYS L 7 1555 1555 2.03 SSBOND 18 CYS K 20 CYS L 19 1555 1555 2.05 LINK ZN ZN B1301 NE2 HIS B 10 1555 1555 2.12 LINK ZN ZN B1301 NE2 HIS F 10 1555 1555 2.07 LINK ZN ZN B1301 NE2 HIS J 10 1555 1555 2.24 LINK ZN ZN B1301 O HOH F1303 1555 1555 2.64 LINK ZN ZN D1302 NE2 HIS H 10 1555 1555 2.07 LINK ZN ZN D1302 NE2 HIS L 10 1555 1555 2.22 LINK ZN ZN D1302 O HOH H1304 1555 1555 2.30 LINK ZN ZN D1302 NE2 HIS D 10 1555 1555 2.11 SITE 1 AC1 4 HIS B 10 HIS F 10 HOH F1303 HIS J 10 SITE 1 AC2 4 HIS D 10 HIS H 10 HOH H1304 HIS L 10 CRYST1 33.900 49.440 49.260 115.12 104.01 102.69 P 1 6 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 0.029499 0.006642 0.012409 0.00000 SCALE2 0.000000 0.020733 0.012120 0.00000 SCALE3 0.000000 0.000000 0.024236 0.00000