PDB Short entry for 2DQM HEADER HYDROLASE 29-MAY-06 2DQM TITLE CRYSTAL STRUCTURE OF AMINOPEPTIDASE N COMPLEXED WITH BESTATIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: AMINOPEPTIDASE N; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: ALPHA-AMINOACYLPEPTIDE HYDROLASE; COMPND 5 EC: 3.4.11.2; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 GENE: PEPN; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: XL1-BLUE; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PBLUESCRIPT SK II(-) KEYWDS CLAN MA, FAMILY M1, GLUZINCIN METALLOPEPTIDASE, INHIBITOR COMPLEX, KEYWDS 2 HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR Y.ONOHARA,Y.NAKAJIMA,K.ITO,T.YOSHIMOTO REVDAT 4 25-OCT-23 2DQM 1 REMARK LINK REVDAT 3 24-FEB-09 2DQM 1 VERSN REVDAT 2 07-NOV-06 2DQM 1 JRNL REVDAT 1 01-AUG-06 2DQM 0 JRNL AUTH K.ITO,Y.NAKAJIMA,Y.ONOHARA,M.TAKEO,K.NAKASHIMA,F.MATSUBARA, JRNL AUTH 2 T.ITO,T.YOSHIMOTO JRNL TITL AMINOPEPTIDASE N (PROTEOBACTERIA ALANYL AMINOPEPTIDASE) FROM JRNL TITL 2 ESCHERICHIA COLI: CRYSTAL STRUCTURE AND CONFORMATIONAL JRNL TITL 3 CHANGE OF THE METHIONINE 260 RESIDUE INVOLVED IN SUBSTRATE JRNL TITL 4 RECOGNITION JRNL REF J.BIOL.CHEM. V. 281 33664 2006 JRNL REFN ISSN 0021-9258 JRNL PMID 16885166 JRNL DOI 10.1074/JBC.M605203200 REMARK 2 REMARK 2 RESOLUTION. 1.60 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) : 1.60 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 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) (%) : 99.3 REMARK 3 NUMBER OF REFLECTIONS : 186955 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) : 0.182 REMARK 3 FREE R VALUE : 0.194 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 9395 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) : 1.60 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.69 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.2440 REMARK 3 BIN FREE R VALUE : 0.2680 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : 976 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 6949 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 33 REMARK 3 SOLVENT ATOMS : 946 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) : 0.17 REMARK 3 ESD FROM SIGMAA (A) : 0.12 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) : 0.19 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.14 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.005 REMARK 3 BOND ANGLES (DEGREES) : 1.280 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 22.70 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.776 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : 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 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 2DQM COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 30-MAY-06. REMARK 100 THE DEPOSITION ID IS D_1000025727. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-APR-05 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.4 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : PHOTON FACTORY REMARK 200 BEAMLINE : AR-NW12A REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0000 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 210 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : MOSFLM REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 187171 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.600 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.4 REMARK 200 DATA REDUNDANCY : 6.400 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.06800 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 18.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.60 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.69 REMARK 200 COMPLETENESS FOR SHELL (%) : 96.8 REMARK 200 DATA REDUNDANCY IN SHELL : 3.90 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.30100 REMARK 200 <I/SIGMA(I)> FOR SHELL : 3.900 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: 2DQ6 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 65.92 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.61 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: THE CRYSTAL IS SOAKED IN 2.2M AMMONIUM REMARK 280 SULFATE, 0.1M MES PH 6.4, 1MM BESTATIN. , VAPOR DIFFUSION, REMARK 280 HANGING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+2/3 REMARK 290 6555 -X,-X+Y,-Z+1/3 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 56.95300 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 113.90600 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 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 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 113.90600 REMARK 290 SMTRY1 6 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 56.95300 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: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A 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 MET A 1 REMARK 465 THR A 2 REMARK 465 GLN A 3 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 MET A 260 -151.71 -120.46 REMARK 500 GLU A 264 31.81 -80.81 REMARK 500 VAL A 276 -54.32 -136.31 REMARK 500 ASN A 306 -64.07 -96.91 REMARK 500 THR A 309 -164.52 -106.97 REMARK 500 TYR A 381 -72.74 -83.97 REMARK 500 LEU A 785 -64.72 -102.29 REMARK 500 HIS A 798 30.38 -96.90 REMARK 500 ASN A 819 88.02 -150.71 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 A 900 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 297 NE2 REMARK 620 2 HIS A 301 NE2 100.6 REMARK 620 3 GLU A 320 OE1 107.4 103.2 REMARK 620 4 BES A 901 O2 108.6 89.6 138.7 REMARK 620 5 BES A 901 O3 90.9 160.5 88.1 71.8 REMARK 620 N 1 2 3 4 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 900 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 902 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 903 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BES A 901 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2DQ6 RELATED DB: PDB REMARK 900 THE SAME PROTEIN DBREF 2DQM A 1 870 UNP P04825 AMPN_ECOLI 1 870 SEQRES 1 A 870 MET THR GLN GLN PRO GLN ALA LYS TYR ARG HIS ASP TYR SEQRES 2 A 870 ARG ALA PRO ASP TYR GLN ILE THR ASP ILE ASP LEU THR SEQRES 3 A 870 PHE ASP LEU ASP ALA GLN LYS THR VAL VAL THR ALA VAL SEQRES 4 A 870 SER GLN ALA VAL ARG HIS GLY ALA SER ASP ALA PRO LEU SEQRES 5 A 870 ARG LEU ASN GLY GLU ASP LEU LYS LEU VAL SER VAL HIS SEQRES 6 A 870 ILE ASN ASP GLU PRO TRP THR ALA TRP LYS GLU GLU GLU SEQRES 7 A 870 GLY ALA LEU VAL ILE SER ASN LEU PRO GLU ARG PHE THR SEQRES 8 A 870 LEU LYS ILE ILE ASN GLU ILE SER PRO ALA ALA ASN THR SEQRES 9 A 870 ALA LEU GLU GLY LEU TYR GLN SER GLY ASP ALA LEU CYS SEQRES 10 A 870 THR GLN CYS GLU ALA GLU GLY PHE ARG HIS ILE THR TYR SEQRES 11 A 870 TYR LEU ASP ARG PRO ASP VAL LEU ALA ARG PHE THR THR SEQRES 12 A 870 LYS ILE ILE ALA ASP LYS ILE LYS TYR PRO PHE LEU LEU SEQRES 13 A 870 SER ASN GLY ASN ARG VAL ALA GLN GLY GLU LEU GLU ASN SEQRES 14 A 870 GLY ARG HIS TRP VAL GLN TRP GLN ASP PRO PHE PRO LYS SEQRES 15 A 870 PRO CYS TYR LEU PHE ALA LEU VAL ALA GLY ASP PHE ASP SEQRES 16 A 870 VAL LEU ARG ASP THR PHE THR THR ARG SER GLY ARG GLU SEQRES 17 A 870 VAL ALA LEU GLU LEU TYR VAL ASP ARG GLY ASN LEU ASP SEQRES 18 A 870 ARG ALA PRO TRP ALA MET THR SER LEU LYS ASN SER MET SEQRES 19 A 870 LYS TRP ASP GLU GLU ARG PHE GLY LEU GLU TYR ASP LEU SEQRES 20 A 870 ASP ILE TYR MET ILE VAL ALA VAL ASP PHE PHE ASN MET SEQRES 21 A 870 GLY ALA MET GLU ASN LYS GLY LEU ASN ILE PHE ASN SER SEQRES 22 A 870 LYS TYR VAL LEU ALA ARG THR ASP THR ALA THR ASP LYS SEQRES 23 A 870 ASP TYR LEU ASP ILE GLU ARG VAL ILE GLY HIS GLU TYR SEQRES 24 A 870 PHE HIS ASN TRP THR GLY ASN ARG VAL THR CYS ARG ASP SEQRES 25 A 870 TRP PHE GLN LEU SER LEU LYS GLU GLY LEU THR VAL PHE SEQRES 26 A 870 ARG ASP GLN GLU PHE SER SER ASP LEU GLY SER ARG ALA SEQRES 27 A 870 VAL ASN ARG ILE ASN ASN VAL ARG THR MET ARG GLY LEU SEQRES 28 A 870 GLN PHE ALA GLU ASP ALA SER PRO MET ALA HIS PRO ILE SEQRES 29 A 870 ARG PRO ASP MET VAL ILE GLU MET ASN ASN PHE TYR THR SEQRES 30 A 870 LEU THR VAL TYR GLU LYS GLY ALA GLU VAL ILE ARG MET SEQRES 31 A 870 ILE HIS THR LEU LEU GLY GLU GLU ASN PHE GLN LYS GLY SEQRES 32 A 870 MET GLN LEU TYR PHE GLU ARG HIS ASP GLY SER ALA ALA SEQRES 33 A 870 THR CYS ASP ASP PHE VAL GLN ALA MET GLU ASP ALA SER SEQRES 34 A 870 ASN VAL ASP LEU SER HIS PHE ARG ARG TRP TYR SER GLN SEQRES 35 A 870 SER GLY THR PRO ILE VAL THR VAL LYS ASP ASP TYR ASN SEQRES 36 A 870 PRO GLU THR GLU GLN TYR THR LEU THR ILE SER GLN ARG SEQRES 37 A 870 THR PRO ALA THR PRO ASP GLN ALA GLU LYS GLN PRO LEU SEQRES 38 A 870 HIS ILE PRO PHE ALA ILE GLU LEU TYR ASP ASN GLU GLY SEQRES 39 A 870 LYS VAL ILE PRO LEU GLN LYS GLY GLY HIS PRO VAL ASN SEQRES 40 A 870 SER VAL LEU ASN VAL THR GLN ALA GLU GLN THR PHE VAL SEQRES 41 A 870 PHE ASP ASN VAL TYR PHE GLN PRO VAL PRO ALA LEU LEU SEQRES 42 A 870 CYS GLU PHE SER ALA PRO VAL LYS LEU GLU TYR LYS TRP SEQRES 43 A 870 SER ASP GLN GLN LEU THR PHE LEU MET ARG HIS ALA ARG SEQRES 44 A 870 ASN ASP PHE SER ARG TRP ASP ALA ALA GLN SER LEU LEU SEQRES 45 A 870 ALA THR TYR ILE LYS LEU ASN VAL ALA ARG HIS GLN GLN SEQRES 46 A 870 GLY GLN PRO LEU SER LEU PRO VAL HIS VAL ALA ASP ALA SEQRES 47 A 870 PHE ARG ALA VAL LEU LEU ASP GLU LYS ILE ASP PRO ALA SEQRES 48 A 870 LEU ALA ALA GLU ILE LEU THR LEU PRO SER VAL ASN GLU SEQRES 49 A 870 MET ALA GLU LEU PHE ASP ILE ILE ASP PRO ILE ALA ILE SEQRES 50 A 870 ALA GLU VAL ARG GLU ALA LEU THR ARG THR LEU ALA THR SEQRES 51 A 870 GLU LEU ALA ASP GLU LEU LEU ALA ILE TYR ASN ALA ASN SEQRES 52 A 870 TYR GLN SER GLU TYR ARG VAL GLU HIS GLU ASP ILE ALA SEQRES 53 A 870 LYS ARG THR LEU ARG ASN ALA CYS LEU ARG PHE LEU ALA SEQRES 54 A 870 PHE GLY GLU THR HIS LEU ALA ASP VAL LEU VAL SER LYS SEQRES 55 A 870 GLN PHE HIS GLU ALA ASN ASN MET THR ASP ALA LEU ALA SEQRES 56 A 870 ALA LEU SER ALA ALA VAL ALA ALA GLN LEU PRO CYS ARG SEQRES 57 A 870 ASP ALA LEU MET GLN GLU TYR ASP ASP LYS TRP HIS GLN SEQRES 58 A 870 ASN GLY LEU VAL MET ASP LYS TRP PHE ILE LEU GLN ALA SEQRES 59 A 870 THR SER PRO ALA ALA ASN VAL LEU GLU THR VAL ARG GLY SEQRES 60 A 870 LEU LEU GLN HIS ARG SER PHE THR MET SER ASN PRO ASN SEQRES 61 A 870 ARG ILE ARG SER LEU ILE GLY ALA PHE ALA GLY SER ASN SEQRES 62 A 870 PRO ALA ALA PHE HIS ALA GLU ASP GLY SER GLY TYR LEU SEQRES 63 A 870 PHE LEU VAL GLU MET LEU THR ASP LEU ASN SER ARG ASN SEQRES 64 A 870 PRO GLN VAL ALA SER ARG LEU ILE GLU PRO LEU ILE ARG SEQRES 65 A 870 LEU LYS ARG TYR ASP ALA LYS ARG GLN GLU LYS MET ARG SEQRES 66 A 870 ALA ALA LEU GLU GLN LEU LYS GLY LEU GLU ASN LEU SER SEQRES 67 A 870 GLY ASP LEU TYR GLU LYS ILE THR LYS ALA LEU ALA HET ZN A 900 1 HET SO4 A 902 5 HET SO4 A 903 5 HET BES A 901 22 HETNAM ZN ZINC ION HETNAM SO4 SULFATE ION HETNAM BES 2-(3-AMINO-2-HYDROXY-4-PHENYL-BUTYRYLAMINO)-4-METHYL- HETNAM 2 BES PENTANOIC ACID HETSYN BES BESTATIN FORMUL 2 ZN ZN 2+ FORMUL 3 SO4 2(O4 S 2-) FORMUL 5 BES C16 H24 N2 O4 FORMUL 6 HOH *946(H2 O) HELIX 1 1 HIS A 11 TYR A 13 5 3 HELIX 2 2 SER A 99 ASN A 103 5 5 HELIX 3 3 GLY A 124 ILE A 128 5 5 HELIX 4 4 PRO A 183 PHE A 187 5 5 HELIX 5 5 ASN A 219 ARG A 222 5 4 HELIX 6 6 ALA A 223 GLY A 242 1 20 HELIX 7 7 LYS A 274 VAL A 276 5 3 HELIX 8 8 THR A 284 HIS A 301 1 18 HELIX 9 9 ASP A 312 PHE A 314 5 3 HELIX 10 10 GLN A 315 GLY A 335 1 21 HELIX 11 11 SER A 336 LEU A 351 1 16 HELIX 12 12 LEU A 351 ALA A 357 1 7 HELIX 13 13 GLU A 371 TYR A 376 5 6 HELIX 14 14 THR A 377 ASP A 412 1 36 HELIX 15 15 THR A 417 ASN A 430 1 14 HELIX 16 16 ARG A 437 GLN A 442 1 6 HELIX 17 17 CYS A 534 SER A 537 5 4 HELIX 18 18 SER A 547 ALA A 558 1 12 HELIX 19 19 ASN A 560 GLN A 584 1 25 HELIX 20 20 PRO A 592 ASP A 605 1 14 HELIX 21 21 ASP A 609 LEU A 617 1 9 HELIX 22 22 SER A 621 GLU A 627 1 7 HELIX 23 23 ASP A 633 LEU A 652 1 20 HELIX 24 24 LEU A 652 ASN A 663 1 12 HELIX 25 25 GLU A 671 ALA A 689 1 19 HELIX 26 26 GLU A 692 ALA A 707 1 16 HELIX 27 27 ASN A 709 ALA A 723 1 15 HELIX 28 28 CYS A 727 HIS A 740 1 14 HELIX 29 29 ASN A 742 THR A 755 1 14 HELIX 30 30 ASN A 760 LEU A 768 1 9 HELIX 31 31 LEU A 769 HIS A 771 5 3 HELIX 32 32 ASN A 778 ASN A 793 1 16 HELIX 33 33 ASN A 793 HIS A 798 1 6 HELIX 34 34 GLY A 802 ASN A 819 1 18 HELIX 35 35 ASN A 819 ARG A 832 1 14 HELIX 36 36 LEU A 833 TYR A 836 5 4 HELIX 37 37 ASP A 837 GLY A 853 1 17 HELIX 38 38 SER A 858 ALA A 870 1 13 SHEET 1 A 2 LYS A 8 TYR A 9 0 SHEET 2 A 2 MET A 368 VAL A 369 -1 O VAL A 369 N LYS A 8 SHEET 1 B 8 GLU A 69 PRO A 70 0 SHEET 2 B 8 LYS A 60 ILE A 66 -1 N ILE A 66 O GLU A 69 SHEET 3 B 8 ARG A 89 ILE A 98 -1 O ILE A 95 N VAL A 62 SHEET 4 B 8 THR A 34 ARG A 44 -1 N VAL A 36 O ASN A 96 SHEET 5 B 8 TYR A 18 ASP A 28 -1 N ASP A 24 O VAL A 39 SHEET 6 B 8 ARG A 140 ASP A 148 1 O LYS A 144 N LEU A 25 SHEET 7 B 8 ARG A 171 GLN A 177 -1 O VAL A 174 N ILE A 145 SHEET 8 B 8 ASN A 160 GLU A 166 -1 N ALA A 163 O GLN A 175 SHEET 1 C 3 LEU A 52 ASN A 55 0 SHEET 2 C 3 ALA A 80 ILE A 83 -1 O ILE A 83 N LEU A 52 SHEET 3 C 3 TRP A 74 GLU A 77 -1 N LYS A 75 O VAL A 82 SHEET 1 D 4 GLY A 108 SER A 112 0 SHEET 2 D 4 ALA A 115 GLN A 119 -1 O CYS A 117 N TYR A 110 SHEET 3 D 4 LEU A 189 GLY A 192 -1 O ALA A 191 N LEU A 116 SHEET 4 D 4 PHE A 154 SER A 157 -1 N LEU A 156 O VAL A 190 SHEET 1 E 5 ASP A 195 THR A 202 0 SHEET 2 E 5 GLU A 208 VAL A 215 -1 O VAL A 209 N PHE A 201 SHEET 3 E 5 ILE A 249 VAL A 255 1 O ILE A 252 N TYR A 214 SHEET 4 E 5 LEU A 268 ASN A 272 1 O PHE A 271 N VAL A 253 SHEET 5 E 5 ALA A 262 MET A 263 -1 N MET A 263 O ILE A 270 SHEET 1 F 2 VAL A 308 CYS A 310 0 SHEET 2 F 2 SER A 414 ALA A 416 1 O ALA A 416 N THR A 309 SHEET 1 G 4 GLU A 516 PHE A 521 0 SHEET 2 G 4 GLN A 460 ARG A 468 -1 N TYR A 461 O PHE A 521 SHEET 3 G 4 ILE A 447 ASN A 455 -1 N LYS A 451 O THR A 464 SHEET 4 G 4 LYS A 541 GLU A 543 1 O LYS A 541 N VAL A 448 SHEET 1 H 3 VAL A 509 VAL A 512 0 SHEET 2 H 3 ILE A 483 TYR A 490 -1 N PHE A 485 O LEU A 510 SHEET 3 H 3 VAL A 529 LEU A 532 -1 O ALA A 531 N GLU A 488 SHEET 1 I 2 GLN A 500 LYS A 501 0 SHEET 2 I 2 HIS A 504 PRO A 505 -1 O HIS A 504 N LYS A 501 LINK NE2 HIS A 297 ZN ZN A 900 1555 1555 2.11 LINK NE2 HIS A 301 ZN ZN A 900 1555 1555 2.11 LINK OE1 GLU A 320 ZN ZN A 900 1555 1555 2.05 LINK ZN ZN A 900 O2 BES A 901 1555 1555 2.21 LINK ZN ZN A 900 O3 BES A 901 1555 1555 2.63 CISPEP 1 GLU A 121 ALA A 122 0 5.29 SITE 1 AC1 4 HIS A 297 HIS A 301 GLU A 320 BES A 901 SITE 1 AC2 3 ARG A 279 GLN A 741 ASN A 742 SITE 1 AC3 1 ARG A 410 SITE 1 AC4 16 GLU A 121 MET A 260 GLY A 261 ALA A 262 SITE 2 AC4 16 MET A 263 GLU A 264 VAL A 294 HIS A 297 SITE 3 AC4 16 GLU A 298 HIS A 301 LYS A 319 GLU A 320 SITE 4 AC4 16 TYR A 376 TYR A 381 ZN A 900 HOH A1908 CRYST1 120.417 120.417 170.859 90.00 90.00 120.00 P 31 2 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 0.008304 0.004795 0.000000 0.00000 SCALE2 0.000000 0.009589 0.000000 0.00000 SCALE3 0.000000 0.000000 0.005853 0.00000