PDB Short entry for 3BXQ HEADER HORMONE 14-JAN-08 3BXQ TITLE THE STRUCTURE OF A MUTANT INSULIN UNCOUPLES RECEPTOR BINDING FROM TITLE 2 PROTEIN ALLOSTERY. AN ELECTROSTATIC BLOCK TO THE TR TRANSITION 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; COMPND 9 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 MOL_ID: 2; SOURCE 4 SYNTHETIC: YES KEYWDS TR TRANSITION, ELECTROSTATIC BLOCK, PROTEIN ALLOSTERY, RECEPTOR KEYWDS 2 BINDING, HORMONE EXPDTA X-RAY DIFFRACTION AUTHOR Z.L.WAN,K.HUANG,S.Q.HU,J.WHITTAKER,M.A.WEISS REVDAT 6 30-AUG-23 3BXQ 1 REMARK REVDAT 5 13-APR-22 3BXQ 1 JRNL REVDAT 4 20-OCT-21 3BXQ 1 REMARK SEQADV LINK REVDAT 3 24-FEB-09 3BXQ 1 VERSN REVDAT 2 09-SEP-08 3BXQ 1 JRNL REVDAT 1 20-MAY-08 3BXQ 0 JRNL AUTH Z.L.WAN,K.HUANG,S.Q.HU,J.WHITTAKER,M.A.WEISS JRNL TITL THE STRUCTURE OF A MUTANT INSULIN UNCOUPLES RECEPTOR BINDING JRNL TITL 2 FROM PROTEIN ALLOSTERY. AN ELECTROSTATIC BLOCK TO THE TR JRNL TITL 3 TRANSITION. JRNL REF J.BIOL.CHEM. V. 283 21198 2008 JRNL REFN ISSN 0021-9258 JRNL PMID 18492668 JRNL DOI 10.1074/JBC.M800235200 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH Q.X.HUA,S.H.NAKAGAWA,W.JIA,K.HUANG,N.B.PHILLIPS,S.Q.HU, REMARK 1 AUTH 2 M.A.WEISS REMARK 1 TITL DESIGN OF AN ACTIVE ULTRASTABLE SINGLE-CHAIN INSULIN ANALOG: REMARK 1 TITL 2 SYNTHESIS, STRUCTURE, AND THERAPEUTIC IMPLICATIONS. REMARK 1 REF J.BIOL.CHEM. V. 283 14703 2008 REMARK 1 REFN ISSN 0021-9258 REMARK 1 PMID 18332129 REMARK 1 DOI 10.1074/JBC.M800313200 REMARK 1 REFERENCE 2 REMARK 1 AUTH E.N.BAKER,T.L.BLUJDELL,J.F.CUTFIELD,S.M.CUTFIELD,E.J.DODSON, REMARK 1 AUTH 2 G.G.DODSON,D.HODGKIN,N.W.ISAACS,C.D.REYNOLDS REMARK 1 TITL THE STRUCTURE OF 2ZN PIG INSULIN CRYSTAL AT 1.5 A 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 1 REFERENCE 3 REMARK 1 AUTH G.BENTLEY,E.DODSON,G.DODSON,D.HODGKIN,D.MERCOLA REMARK 1 TITL STRUCTURE OF INSULIN IN 4-ZINC INSULIN REMARK 1 REF NATURE V. 261 166 1976 REMARK 1 REFN ISSN 0028-0836 REMARK 1 REFERENCE 4 REMARK 1 AUTH U.DEREWENDA,Z.DEREWENDA,E.DODSON,G.DODSON,C.REYNOLD,G.SMITH, REMARK 1 AUTH 2 C.SPARKS,D.SWENSON REMARK 1 TITL PHENOL STABILIZES MORE HELIX IN A NEW SYMMETRICAL ZINC REMARK 1 TITL 2 INSULIN HEXAMER REMARK 1 REF NATURE V. 338 594 1989 REMARK 1 REFN ISSN 0028-0836 REMARK 1 REFERENCE 5 REMARK 1 AUTH Q.X.HUA,S.NAKAGAWA,S.Q.HU,W.JIA,S.WANG,M.A.WEISS REMARK 1 TITL TOWARD THE ACTIVE CONFORMATION OF INSULIN: STEREOSPECIFIC REMARK 1 TITL 2 MODULATION OF A STRUCTURAL SWITH IN THE B CHAIN REMARK 1 REF J.BIOL.CHEM. V. 281 24900 2006 REMARK 1 REFN ISSN 0021-9258 REMARK 2 REMARK 2 RESOLUTION. 1.30 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) : 1.30 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.62 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) (%) : 95.4 REMARK 3 NUMBER OF REFLECTIONS : 20156 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) : 0.206 REMARK 3 FREE R VALUE : 0.232 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 3817 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) : 1.30 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.38 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 77.90 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.2390 REMARK 3 BIN FREE R VALUE : 0.2620 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : 485 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 : 812 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 2 REMARK 3 SOLVENT ATOMS : 127 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 13.90 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 18.30 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.13000 REMARK 3 B22 (A**2) : 0.13000 REMARK 3 B33 (A**2) : -0.25000 REMARK 3 B12 (A**2) : 0.39000 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) : 0.17 REMARK 3 ESD FROM SIGMAA (A) : 0.07 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) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : NULL REMARK 3 BOND ANGLES (DEGREES) : 1.200 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 21.00 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.640 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) : 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 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : NULL 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 3BXQ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 07-FEB-08. REMARK 100 THE DEPOSITION ID IS D_1000046087. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 21-SEP-06 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ALS REMARK 200 BEAMLINE : 4.2.2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.033 REMARK 200 MONOCHROMATOR : GRAPHITE REMARK 200 OPTICS : MIRROS REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : D*TREK REMARK 200 DATA SCALING SOFTWARE : D*TREK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 39411 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.300 REMARK 200 RESOLUTION RANGE LOW (A) : 30.620 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 95.4 REMARK 200 DATA REDUNDANCY : 5.110 REMARK 200 R MERGE (I) : 0.04000 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 21.2000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.30 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.38 REMARK 200 COMPLETENESS FOR SHELL (%) : 77.9 REMARK 200 DATA REDUNDANCY IN SHELL : 2.89 REMARK 200 R MERGE FOR SHELL (I) : 0.13200 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 10.00 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: 4INS REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 33.75 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.86 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.02 M TRIS, 0.05 M SODIUM CITRATE, 5% REMARK 280 ACETONE, 0.03% PHENOL, 0.01% ZINC ACETATE, PH 8.0, VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 298K 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 40.69500 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 23.49527 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 11.33333 REMARK 290 SMTRY1 5 -0.500000 -0.866025 0.000000 40.69500 REMARK 290 SMTRY2 5 0.866025 -0.500000 0.000000 23.49527 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 11.33333 REMARK 290 SMTRY1 6 -0.500000 0.866025 0.000000 40.69500 REMARK 290 SMTRY2 6 -0.866025 -0.500000 0.000000 23.49527 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 11.33333 REMARK 290 SMTRY1 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 46.99054 REMARK 290 SMTRY3 7 0.000000 0.000000 1.000000 22.66667 REMARK 290 SMTRY1 8 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 8 0.866025 -0.500000 0.000000 46.99054 REMARK 290 SMTRY3 8 0.000000 0.000000 1.000000 22.66667 REMARK 290 SMTRY1 9 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 9 -0.866025 -0.500000 0.000000 46.99054 REMARK 290 SMTRY3 9 0.000000 0.000000 1.000000 22.66667 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: DODECAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DODECAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 12160 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 20310 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -254.9 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 B 101 LIES ON A SPECIAL POSITION. REMARK 375 ZN ZN D 102 LIES ON A SPECIAL POSITION. REMARK 375 HOH B 102 LIES ON A SPECIAL POSITION. REMARK 375 HOH B 103 LIES ON A SPECIAL POSITION. REMARK 375 HOH D 103 LIES ON A SPECIAL POSITION. REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 HE2 HIS B 10 ZN ZN B 101 1.17 REMARK 500 HE2 HIS D 10 ZN ZN D 102 1.29 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 9 -126.27 -121.37 REMARK 500 SER C 9 -138.49 -119.37 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 B 101 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS B 10 NE2 REMARK 620 2 HOH B 102 O 115.8 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 B 101 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN D 102 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 4INS RELATED DB: PDB REMARK 900 NATIVE INSULIN CRYSTAL STRUCTURE DBREF 3BXQ A 1 21 UNP P01308 INS_HUMAN 90 110 DBREF 3BXQ B 1 30 UNP P01308 INS_HUMAN 25 54 DBREF 3BXQ C 1 21 UNP P01308 INS_HUMAN 90 110 DBREF 3BXQ D 1 30 UNP P01308 INS_HUMAN 25 54 SEQADV 3BXQ ARG B 5 UNP P01308 HIS 29 ENGINEERED MUTATION SEQADV 3BXQ ARG D 5 UNP P01308 HIS 29 ENGINEERED MUTATION 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 ARG 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 ARG 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 B 101 1 HET ZN D 102 1 HETNAM ZN ZINC ION FORMUL 5 ZN 2(ZN 2+) FORMUL 7 HOH *127(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 GLY B 8 GLY B 20 1 13 HELIX 5 5 GLU B 21 GLY B 23 5 3 HELIX 6 6 LEU C 13 GLU C 17 1 5 HELIX 7 7 ASN C 18 CYS C 20 5 3 HELIX 8 8 CYS D 7 GLY D 20 1 14 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 PHE D 24 N TYR B 26 SHEET 1 B 2 CYS C 11 SER C 12 0 SHEET 2 B 2 ASN D 3 GLN D 4 -1 O GLN D 4 N CYS C 11 SSBOND 1 CYS A 6 CYS A 11 1555 1555 2.04 SSBOND 2 CYS A 7 CYS B 7 1555 1555 2.04 SSBOND 3 CYS A 20 CYS B 19 1555 1555 2.03 SSBOND 4 CYS C 6 CYS C 11 1555 1555 2.04 SSBOND 5 CYS C 7 CYS D 7 1555 1555 2.03 SSBOND 6 CYS C 20 CYS D 19 1555 1555 2.03 LINK NE2 HIS B 10 ZN ZN B 101 1555 1555 2.04 LINK ZN ZN B 101 O HOH B 102 1555 1555 2.29 LINK NE2 HIS D 10 ZN ZN D 102 1555 1555 2.04 SITE 1 AC1 1 HIS B 10 SITE 1 AC2 1 HIS D 10 CRYST1 81.390 81.390 34.000 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 0.012287 0.007094 0.000000 0.00000 SCALE2 0.000000 0.014187 0.000000 0.00000 SCALE3 0.000000 0.000000 0.029412 0.00000