HEADER HYDROLASE 30-AUG-94 2EBN TITLE CRYSTAL STRUCTURE OF ENDO-BETA-N-ACETYLGLUCOSAMINIDASE F1, AN TITLE 2 ALPHA(SLASH)BETA-BARREL ENZYME ADAPTED FOR A COMPLEX SUBSTRATE COMPND MOL_ID: 1; COMPND 2 MOLECULE: ENDO-BETA-N-ACETYLGLUCOSAMINIDASE F1; COMPND 3 CHAIN: A; COMPND 4 EC: 3.2.1.96; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ELIZABETHKINGIA MENINGOSEPTICA; SOURCE 3 ORGANISM_TAXID: 238 KEYWDS HYDROLASE(GLUCOSIDASE), HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR P.VAN ROEY REVDAT 6 14-FEB-24 2EBN 1 REMARK LINK REVDAT 5 14-AUG-19 2EBN 1 REMARK REVDAT 4 17-JUL-19 2EBN 1 REMARK REVDAT 3 24-FEB-09 2EBN 1 VERSN REVDAT 2 01-APR-03 2EBN 1 JRNL REVDAT 1 26-JAN-95 2EBN 0 JRNL AUTH P.VAN ROEY,V.RAO,T.H.PLUMMER JR.,A.L.TARENTINO JRNL TITL CRYSTAL STRUCTURE OF ENDO-BETA-N-ACETYLGLUCOSAMINIDASE F1, JRNL TITL 2 AN ALPHA/BETA-BARREL ENZYME ADAPTED FOR A COMPLEX SUBSTRATE. JRNL REF BIOCHEMISTRY V. 33 13989 1994 JRNL REFN ISSN 0006-2960 JRNL PMID 7947807 JRNL DOI 10.1021/BI00251A005 REMARK 2 REMARK 2 RESOLUTION. 2.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PROFFT REMARK 3 AUTHORS : KONNERT,HENDRICKSON,FINZEL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 10.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 COMPLETENESS FOR RANGE (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 18856 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) : 0.158 REMARK 3 R VALUE (WORKING SET) : 0.158 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 : 2213 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 1 REMARK 3 SOLVENT ATOMS : 243 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) : NULL ; NULL REMARK 3 ANGLE DISTANCE (A) : NULL ; NULL REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : NULL ; NULL REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : NULL ; NULL REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : NULL ; NULL REMARK 3 MULTIPLE TORSION (A) : NULL ; NULL REMARK 3 H-BOND (X...Y) (A) : NULL ; NULL REMARK 3 H-BOND (X-H...Y) (A) : NULL ; NULL REMARK 3 REMARK 3 CONFORMATIONAL TORSION ANGLE RESTRAINTS. REMARK 3 SPECIFIED (DEGREES) : NULL ; NULL REMARK 3 PLANAR (DEGREES) : NULL ; NULL REMARK 3 STAGGERED (DEGREES) : NULL ; NULL REMARK 3 TRANSVERSE (DEGREES) : NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.018 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.537 ; 1.500 REMARK 3 SIDE-CHAIN BOND (A**2) : 1.413 ; 1.500 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 2.449 ; 2.000 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2EBN COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000178020. 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: X-PLOR REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 47.55 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.34 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 61 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 -X,-Y,Z+1/2 REMARK 290 5555 Y,-X+Y,Z+5/6 REMARK 290 6555 X-Y,X,Z+1/6 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 34.43667 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 68.87333 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 51.65500 REMARK 290 SMTRY1 5 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 5 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 86.09167 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 17.21833 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 ALA A 1 REMARK 465 VAL A 2 REMARK 465 THR A 3 REMARK 465 GLY A 4 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 O HOH A 379 O HOH A 451 1.58 REMARK 500 O HOH A 302 O HOH A 461 1.65 REMARK 500 OH TYR A 76 O HOH A 437 1.79 REMARK 500 ND1 HIS A 68 O HOH A 333 2.01 REMARK 500 NE2 HIS A 68 O HOH A 437 2.04 REMARK 500 O HOH A 458 O HOH A 521 2.07 REMARK 500 O HOH A 371 O HOH A 582 2.09 REMARK 500 O GLN A 233 ND2 ASN A 237 2.11 REMARK 500 O HOH A 347 O HOH A 490 2.14 REMARK 500 O GLN A 137 O HOH A 465 2.17 REMARK 500 O HOH A 461 O HOH A 584 2.17 REMARK 500 O HOH A 437 O HOH A 447 2.19 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 O HOH A 323 O HOH A 537 5564 1.95 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 GLU A 17 CB - CG - CD ANGL. DEV. = 16.3 DEGREES REMARK 500 GLU A 17 OE1 - CD - OE2 ANGL. DEV. = -7.9 DEGREES REMARK 500 GLU A 17 CG - CD - OE1 ANGL. DEV. = 13.9 DEGREES REMARK 500 ARG A 97 NE - CZ - NH1 ANGL. DEV. = 3.7 DEGREES REMARK 500 ARG A 97 NE - CZ - NH2 ANGL. DEV. = -4.1 DEGREES REMARK 500 ARG A 107 NE - CZ - NH1 ANGL. DEV. = 6.2 DEGREES REMARK 500 ASP A 120 CB - CG - OD2 ANGL. DEV. = -7.3 DEGREES REMARK 500 ARG A 175 NE - CZ - NH1 ANGL. DEV. = 4.5 DEGREES REMARK 500 ARG A 175 NE - CZ - NH2 ANGL. DEV. = -6.1 DEGREES REMARK 500 ARG A 236 NE - CZ - NH1 ANGL. DEV. = 3.2 DEGREES REMARK 500 ASP A 252 CB - CG - OD2 ANGL. DEV. = 5.7 DEGREES REMARK 500 GLU A 277 CG - CD - OE2 ANGL. DEV. = 12.0 DEGREES 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 ASN A 72 38.28 -98.88 REMARK 500 ASN A 94 51.68 -149.48 REMARK 500 ALA A 135 71.84 -109.93 REMARK 500 SER A 174 -128.91 39.77 REMARK 500 ASP A 252 106.16 -163.43 REMARK 500 ASN A 282 50.39 76.35 REMARK 500 ASP A 288 37.97 -93.48 REMARK 500 REMARK 500 REMARK: NULL REMARK 700 REMARK 700 SHEET REMARK 700 THE SHEET PRESENTED AS *S1* ON SHEET RECORDS BELOW IS REMARK 700 ACTUALLY AN EIGHT-STRANDED BETA-BARREL. THIS IS REMARK 700 REPRESENTED BY A NINE-STRANDED SHEET IN WHICH THE FIRST AND REMARK 700 LAST STRANDS ARE IDENTICAL. REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: ACT REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: NULL REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 301 DBREF 2EBN A 1 289 UNP P36911 EBA1_FLAME 51 339 SEQRES 1 A 289 ALA VAL THR GLY THR THR LYS ALA ASN ILE LYS LEU PHE SEQRES 2 A 289 SER PHE THR GLU VAL ASN ASP THR ASN PRO LEU ASN ASN SEQRES 3 A 289 LEU ASN PHE THR LEU LYS ASN SER GLY LYS PRO LEU VAL SEQRES 4 A 289 ASP MET VAL VAL LEU PHE SER ALA ASN ILE ASN TYR ASP SEQRES 5 A 289 ALA ALA ASN ASP LYS VAL PHE VAL SER ASN ASN PRO ASN SEQRES 6 A 289 VAL GLN HIS LEU LEU THR ASN ARG ALA LYS TYR LEU LYS SEQRES 7 A 289 PRO LEU GLN ASP LYS GLY ILE LYS VAL ILE LEU SER ILE SEQRES 8 A 289 LEU GLY ASN HIS ASP ARG SER GLY ILE ALA ASN LEU SER SEQRES 9 A 289 THR ALA ARG ALA LYS ALA PHE ALA GLN GLU LEU LYS ASN SEQRES 10 A 289 THR CYS ASP LEU TYR ASN LEU ASP GLY VAL PHE PHE ASP SEQRES 11 A 289 ASP GLU TYR SER ALA TYR GLN THR PRO PRO PRO SER GLY SEQRES 12 A 289 PHE VAL THR PRO SER ASN ASN ALA ALA ALA ARG LEU ALA SEQRES 13 A 289 TYR GLU THR LYS GLN ALA MET PRO ASN LYS LEU VAL THR SEQRES 14 A 289 VAL TYR VAL TYR SER ARG THR SER SER PHE PRO THR ALA SEQRES 15 A 289 VAL ASP GLY VAL ASN ALA GLY SER TYR VAL ASP TYR ALA SEQRES 16 A 289 ILE HIS ASP TYR GLY GLY SER TYR ASP LEU ALA THR ASN SEQRES 17 A 289 TYR PRO GLY LEU ALA LYS SER GLY MET VAL MET SER SER SEQRES 18 A 289 GLN GLU PHE ASN GLN GLY ARG TYR ALA THR ALA GLN ALA SEQRES 19 A 289 LEU ARG ASN ILE VAL THR LYS GLY TYR GLY GLY HIS MET SEQRES 20 A 289 ILE PHE ALA MET ASP PRO ASN ARG SER ASN PHE THR SER SEQRES 21 A 289 GLY GLN LEU PRO ALA LEU LYS LEU ILE ALA LYS GLU LEU SEQRES 22 A 289 TYR GLY ASP GLU LEU VAL TYR SER ASN THR PRO TYR SER SEQRES 23 A 289 LYS ASP TRP HET ZN A 301 1 HETNAM ZN ZINC ION FORMUL 2 ZN ZN 2+ FORMUL 3 HOH *243(H2 O) HELIX 1 A PRO A 23 LEU A 27 1 5 HELIX 2 B1 PRO A 64 THR A 71 1 8 HELIX 3 B2 ARG A 73 ASP A 82 1 10 HELIX 4 C THR A 105 TYR A 122 1 18 HELIX 5 D ASN A 149 ALA A 162 1 14 HELIX 6 E SER A 174 THR A 176 5 3 HELIX 7 F ALA A 188 SER A 190 1 3 HELIX 8 G ALA A 232 LYS A 241 1 10 HELIX 9 H GLN A 262 TYR A 274 1 13 SHEET 1 S1 9 LYS A 11 GLU A 17 0 SHEET 2 S1 9 MET A 41 ASP A 52 1 SHEET 3 S1 9 LYS A 86 LEU A 92 1 SHEET 4 S1 9 GLY A 126 ASP A 130 1 SHEET 5 S1 9 LYS A 166 VAL A 172 1 SHEET 6 S1 9 TYR A 194 HIS A 197 1 SHEET 7 S1 9 MET A 217 GLU A 223 1 SHEET 8 S1 9 GLY A 245 PHE A 249 1 SHEET 9 S1 9 LYS A 11 GLU A 17 1 SHEET 1 S2 2 ASN A 50 ASP A 52 0 SHEET 2 S2 2 LYS A 57 ASN A 62 -1 SHEET 1 S3 2 PHE A 29 LEU A 31 0 SHEET 2 S3 2 LEU A 278 TYR A 280 -1 LINK NE2 HIS A 95 ZN ZN A 301 1555 1555 2.24 CISPEP 1 PHE A 45 SER A 46 0 1.39 CISPEP 2 THR A 138 PRO A 139 0 -1.03 SITE 1 ACT 5 ASP A 130 GLU A 132 TYR A 133 TYR A 171 SITE 2 ACT 5 TYR A 173 SITE 1 AC1 1 HIS A 95 CRYST1 70.640 70.640 103.310 90.00 90.00 120.00 P 61 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 0.014156 0.008173 0.000000 0.00000 SCALE2 0.000000 0.016346 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009680 0.00000