HEADER LYASE 17-SEP-96 1ZNC TITLE HUMAN CARBONIC ANHYDRASE IV COMPND MOL_ID: 1; COMPND 2 MOLECULE: CARBONIC ANHYDRASE IV; COMPND 3 CHAIN: A, B; COMPND 4 EC: 4.2.1.1; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: HUMAN CAIV; SOURCE 6 EXPRESSION_SYSTEM: CRICETULUS GRISEUS; SOURCE 7 EXPRESSION_SYSTEM_COMMON: CHINESE HAMSTER; SOURCE 8 EXPRESSION_SYSTEM_TAXID: 10029; SOURCE 9 EXPRESSION_SYSTEM_CELL_LINE: CHO-CELLS; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PCAGGS KEYWDS GPI-ANCHOR, MEMBRANE, LYASE, ZINC EXPDTA X-RAY DIFFRACTION AUTHOR T.STAMS,D.W.CHRISTIANSON REVDAT 4 23-OCT-24 1ZNC 1 REMARK REVDAT 3 03-APR-24 1ZNC 1 REMARK LINK REVDAT 2 24-FEB-09 1ZNC 1 VERSN REVDAT 1 17-SEP-97 1ZNC 0 JRNL AUTH T.STAMS,S.K.NAIR,T.OKUYAMA,A.WAHEED,W.S.SLY,D.W.CHRISTIANSON JRNL TITL CRYSTAL STRUCTURE OF THE SECRETORY FORM OF JRNL TITL 2 MEMBRANE-ASSOCIATED HUMAN CARBONIC ANHYDRASE IV AT 2.8-A JRNL TITL 3 RESOLUTION. JRNL REF PROC.NATL.ACAD.SCI.USA V. 93 13589 1996 JRNL REFN ISSN 0027-8424 JRNL PMID 8942978 JRNL DOI 10.1073/PNAS.93.24.13589 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH A.WAHEED,T.OKUYAMA,T.HEYDUK,W.S.SLY REMARK 1 TITL CARBONIC ANHYDRASE IV: PURIFICATION OF A SECRETORY FORM OF REMARK 1 TITL 2 THE RECOMBINANT HUMAN ENZYME AND IDENTIFICATION OF THE REMARK 1 TITL 3 POSITIONS AND IMPORTANCE OF ITS DISULFIDE BONDS REMARK 1 REF ARCH.BIOCHEM.BIOPHYS. V. 333 432 1996 REMARK 1 REFN ISSN 0003-9861 REMARK 2 REMARK 2 RESOLUTION. 2.80 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.1 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 85.0 REMARK 3 NUMBER OF REFLECTIONS : 12067 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : FREE-R REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING SET) : 0.197 REMARK 3 FREE R VALUE : 0.252 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.500 REMARK 3 FREE R VALUE TEST SET COUNT : 650 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) : 2.80 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.93 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 72.40 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1261 REMARK 3 BIN R VALUE (WORKING SET) : 0.2800 REMARK 3 BIN FREE R VALUE : 0.3460 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 4.50 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 78 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 : 4091 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 12 REMARK 3 SOLVENT ATOMS : 32 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 28.30 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 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) : 0.007 REMARK 3 BOND ANGLES (DEGREES) : 1.400 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 24.80 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.200 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 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : 0.20 ; 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 1ZNC 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_1000177493. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : 298 REMARK 200 PH : 5.1 REMARK 200 NUMBER OF CRYSTALS USED : 2 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 RUH2R REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM, ROTAVATA/AGROVATA REMARK 200 DATA SCALING SOFTWARE : CCP4 (AGROVATA, ROTAVATA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 13626 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.800 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 95.0 REMARK 200 DATA REDUNDANCY : 3.400 REMARK 200 R MERGE (I) : 0.08000 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) : 2.80 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.87 REMARK 200 COMPLETENESS FOR SHELL (%) : 91.8 REMARK 200 DATA REDUNDANCY IN SHELL : 3.30 REMARK 200 R MERGE FOR SHELL (I) : 0.25300 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: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: X-PLOR 3.1 REMARK 200 STARTING MODEL: POLYALANINE MODEL OF CAII MISSING N-TERMINAL 30 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 48.90 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.40 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 25% PEG 3,350; 100MM NA ACETATE PH 5.1 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,Y,-Z REMARK 290 3555 X+1/2,Y+1/2,Z REMARK 290 4555 -X+1/2,Y+1/2,-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 SMTRY1 2 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 2 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 3 1.000000 0.000000 0.000000 44.75000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 23.85000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 44.75000 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 23.85000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 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: 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 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: B 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 GLU A 2 REMARK 465 SER A 3 REMARK 465 HIS A 4 REMARK 465 ALA B 1 REMARK 465 GLU B 2 REMARK 465 SER B 3 REMARK 465 HIS B 4 REMARK 465 LYS B 123A REMARK 465 GLU B 123B REMARK 465 LYS B 123C REMARK 465 GLY B 123D REMARK 465 THR B 123E REMARK 465 SER B 123F REMARK 465 ARG B 123G REMARK 465 ASN B 123H REMARK 465 VAL B 123I REMARK 465 LYS B 123J REMARK 465 GLU B 123K REMARK 465 ALA B 123L REMARK 465 GLN B 123M REMARK 465 ASP B 123N REMARK 465 PRO B 123O 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 CYS A 11G 142.33 -173.64 REMARK 500 ASN A 72 15.09 59.98 REMARK 500 LYS A 103 35.77 -147.07 REMARK 500 ILE A 167 50.77 -140.69 REMARK 500 GLU A 171 -6.81 74.55 REMARK 500 LYS A 206 39.83 -144.23 REMARK 500 LEU A 248 154.60 -49.20 REMARK 500 CYS B 11G 142.87 -174.52 REMARK 500 LYS B 103 35.95 -147.37 REMARK 500 ILE B 167 50.43 -140.66 REMARK 500 GLU B 171 -7.65 74.14 REMARK 500 THR B 199 30.82 -99.78 REMARK 500 LYS B 206 39.92 -143.70 REMARK 500 LEU B 248 154.66 -47.15 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 301 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 94 NE2 REMARK 620 2 HIS A 96 NE2 93.1 REMARK 620 3 HIS A 119 ND1 104.1 94.3 REMARK 620 4 SO4 A 601 O3 111.7 132.7 116.0 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN B 302 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS B 94 NE2 REMARK 620 2 HIS B 96 NE2 93.5 REMARK 620 3 HIS B 119 ND1 100.4 92.2 REMARK 620 4 SO4 B 701 O3 112.2 139.0 112.6 REMARK 620 N 1 2 3 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: CTA REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: ZINC COORDINATED BY HIS A 94, HIS A 96, AND HIS REMARK 800 A 119. ALSO COORDINATED BY AN OXYGEN ON THE SULFATE GROUP. REMARK 800 REMARK 800 SITE_IDENTIFIER: CTB REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: ZINC COORDINATED BY HIS B 94, HIS B 96, AND HIS REMARK 800 B 119. ALSO COORDINATED BY AN OXYGEN ON THE SULFATE GROUP. REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 601 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN B 302 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 B 701 REMARK 999 REMARK 999 SEQUENCE REMARK 999 THE RESIDUE NUMBERING IS BASED ON THE RESIDUE NUMBERING OF REMARK 999 CARBONIC ANHYDRASE II. INSERTIONS ARE MARKED WITH THE REMARK 999 ADDITION OF AN ALPHABETIC CHARACTER (A, B, ...) AFTER THE REMARK 999 RESIDUE NUMBER. DELETIONS ARE DENOTED BY MISSING RESIDUE REMARK 999 NUMBERS. DBREF 1ZNC A 1 259 UNP P22748 CAH4_HUMAN 19 284 DBREF 1ZNC B 1 259 UNP P22748 CAH4_HUMAN 19 284 SEQRES 1 A 266 ALA GLU SER HIS TRP CYS TYR GLU VAL GLN ALA GLU SER SEQRES 2 A 266 SER ASN TYR PRO CYS LEU VAL PRO VAL LYS TRP GLY GLY SEQRES 3 A 266 ASN CYS GLN LYS ASP ARG GLN SER PRO ILE ASN ILE VAL SEQRES 4 A 266 THR THR LYS ALA LYS VAL ASP LYS LYS LEU GLY ARG PHE SEQRES 5 A 266 PHE PHE SER GLY TYR ASP LYS LYS GLN THR TRP THR VAL SEQRES 6 A 266 GLN ASN ASN GLY HIS SER VAL MET MET LEU LEU GLU ASN SEQRES 7 A 266 LYS ALA SER ILE SER GLY GLY GLY LEU PRO ALA PRO TYR SEQRES 8 A 266 GLN ALA LYS GLN LEU HIS LEU HIS TRP SER ASP LEU PRO SEQRES 9 A 266 TYR LYS GLY SER GLU HIS SER LEU ASP GLY GLU HIS PHE SEQRES 10 A 266 ALA MET GLU MET HIS ILE VAL HIS GLU LYS GLU LYS GLY SEQRES 11 A 266 THR SER ARG ASN VAL LYS GLU ALA GLN ASP PRO GLU ASP SEQRES 12 A 266 GLU ILE ALA VAL LEU ALA PHE LEU VAL GLU ALA GLY THR SEQRES 13 A 266 GLN VAL ASN GLU GLY PHE GLN PRO LEU VAL GLU ALA LEU SEQRES 14 A 266 SER ASN ILE PRO LYS PRO GLU MET SER THR THR MET ALA SEQRES 15 A 266 GLU SER SER LEU LEU ASP LEU LEU PRO LYS GLU GLU LYS SEQRES 16 A 266 LEU ARG HIS TYR PHE ARG TYR LEU GLY SER LEU THR THR SEQRES 17 A 266 PRO THR CYS ASP GLU LYS VAL VAL TRP THR VAL PHE ARG SEQRES 18 A 266 GLU PRO ILE GLN LEU HIS ARG GLU GLN ILE LEU ALA PHE SEQRES 19 A 266 SER GLN LYS LEU TYR TYR ASP LYS GLU GLN THR VAL SER SEQRES 20 A 266 MET LYS ASP ASN VAL ARG PRO LEU GLN GLN LEU GLY GLN SEQRES 21 A 266 ARG THR VAL ILE LYS SER SEQRES 1 B 266 ALA GLU SER HIS TRP CYS TYR GLU VAL GLN ALA GLU SER SEQRES 2 B 266 SER ASN TYR PRO CYS LEU VAL PRO VAL LYS TRP GLY GLY SEQRES 3 B 266 ASN CYS GLN LYS ASP ARG GLN SER PRO ILE ASN ILE VAL SEQRES 4 B 266 THR THR LYS ALA LYS VAL ASP LYS LYS LEU GLY ARG PHE SEQRES 5 B 266 PHE PHE SER GLY TYR ASP LYS LYS GLN THR TRP THR VAL SEQRES 6 B 266 GLN ASN ASN GLY HIS SER VAL MET MET LEU LEU GLU ASN SEQRES 7 B 266 LYS ALA SER ILE SER GLY GLY GLY LEU PRO ALA PRO TYR SEQRES 8 B 266 GLN ALA LYS GLN LEU HIS LEU HIS TRP SER ASP LEU PRO SEQRES 9 B 266 TYR LYS GLY SER GLU HIS SER LEU ASP GLY GLU HIS PHE SEQRES 10 B 266 ALA MET GLU MET HIS ILE VAL HIS GLU LYS GLU LYS GLY SEQRES 11 B 266 THR SER ARG ASN VAL LYS GLU ALA GLN ASP PRO GLU ASP SEQRES 12 B 266 GLU ILE ALA VAL LEU ALA PHE LEU VAL GLU ALA GLY THR SEQRES 13 B 266 GLN VAL ASN GLU GLY PHE GLN PRO LEU VAL GLU ALA LEU SEQRES 14 B 266 SER ASN ILE PRO LYS PRO GLU MET SER THR THR MET ALA SEQRES 15 B 266 GLU SER SER LEU LEU ASP LEU LEU PRO LYS GLU GLU LYS SEQRES 16 B 266 LEU ARG HIS TYR PHE ARG TYR LEU GLY SER LEU THR THR SEQRES 17 B 266 PRO THR CYS ASP GLU LYS VAL VAL TRP THR VAL PHE ARG SEQRES 18 B 266 GLU PRO ILE GLN LEU HIS ARG GLU GLN ILE LEU ALA PHE SEQRES 19 B 266 SER GLN LYS LEU TYR TYR ASP LYS GLU GLN THR VAL SER SEQRES 20 B 266 MET LYS ASP ASN VAL ARG PRO LEU GLN GLN LEU GLY GLN SEQRES 21 B 266 ARG THR VAL ILE LYS SER HET SO4 A 601 5 HET ZN A 301 1 HET ZN B 302 1 HET SO4 B 701 5 HETNAM SO4 SULFATE ION HETNAM ZN ZINC ION FORMUL 3 SO4 2(O4 S 2-) FORMUL 4 ZN 2(ZN 2+) FORMUL 7 HOH *32(H2 O) HELIX 1 1 GLU A 8 SER A 11B 1 6 HELIX 2 2 PRO A 13 LYS A 15 5 3 HELIX 3 3 GLY A 21 GLN A 24 5 4 HELIX 4 4 THR A 35 LYS A 37 5 3 HELIX 5 5 GLU A 155 ILE A 167 1 13 HELIX 6 6 LEU A 181 ASP A 183 5 3 HELIX 7 7 GLU A 187A ARG A 189A 5 5 HELIX 8 8 ARG A 220 LYS A 228 1 10 HELIX 9 9 GLU B 8 SER B 11B 1 6 HELIX 10 10 PRO B 13 LYS B 15 5 3 HELIX 11 11 GLY B 21 GLN B 24 5 4 HELIX 12 12 THR B 35 LYS B 37 5 3 HELIX 13 13 GLU B 155 ILE B 167 1 13 HELIX 14 14 LEU B 181 ASP B 183 5 3 HELIX 15 15 LYS B 188 ARG B 189A 5 3 HELIX 16 16 ARG B 220 LYS B 228 1 10 SHEET 1 A 2 PHE A 47 SER A 50 0 SHEET 2 A 2 SER A 78 GLY A 81 -1 N SER A 80 O PHE A 48 SHEET 1 B 8 SER A 173 MET A 176 0 SHEET 2 B 8 TRP A 57 ASN A 61 -1 N VAL A 59 O THR A 174 SHEET 3 B 8 VAL A 66 LEU A 69 -1 N LEU A 69 O THR A 58 SHEET 4 B 8 TYR A 88 TRP A 97 -1 N LEU A 93 O MET A 68 SHEET 5 B 8 MET A 116 LYS A 124 -1 N GLU A 123 O GLN A 89 SHEET 6 B 8 ILE A 141 VAL A 148 -1 N VAL A 148 O MET A 116 SHEET 7 B 8 VAL A 207 PHE A 212 1 N VAL A 208 O ILE A 141 SHEET 8 B 8 TYR A 191 GLY A 196 -1 N GLY A 196 O VAL A 207 SHEET 1 C 2 VAL A 148 GLY A 151 0 SHEET 2 C 2 ILE A 216 HIS A 219 1 N ILE A 216 O GLU A 149 SHEET 1 D 2 PHE B 47 SER B 50 0 SHEET 2 D 2 SER B 78 GLY B 81 -1 N SER B 80 O PHE B 48 SHEET 1 E 8 SER B 173 MET B 176 0 SHEET 2 E 8 TRP B 57 ASN B 61 -1 N VAL B 59 O THR B 174 SHEET 3 E 8 VAL B 66 LEU B 69 -1 N LEU B 69 O THR B 58 SHEET 4 E 8 GLN B 89 TRP B 97 -1 N LEU B 93 O MET B 68 SHEET 5 E 8 MET B 116 GLU B 123 -1 N GLU B 123 O GLN B 89 SHEET 6 E 8 ILE B 141 VAL B 148 -1 N VAL B 148 O MET B 116 SHEET 7 E 8 VAL B 207 PHE B 212 1 N VAL B 208 O ILE B 141 SHEET 8 E 8 TYR B 191 GLY B 196 -1 N GLY B 196 O VAL B 207 SHEET 1 F 2 VAL B 148 GLY B 151 0 SHEET 2 F 2 ILE B 216 HIS B 219 1 N ILE B 216 O GLU B 149 SSBOND 1 CYS A 6 CYS A 11G 1555 1555 2.45 SSBOND 2 CYS A 23 CYS A 203 1555 1555 2.34 SSBOND 3 CYS B 6 CYS B 11G 1555 1555 2.51 SSBOND 4 CYS B 23 CYS B 203 1555 1555 2.49 LINK NE2 HIS A 94 ZN ZN A 301 1555 1555 2.20 LINK NE2 HIS A 96 ZN ZN A 301 1555 1555 2.34 LINK ND1 HIS A 119 ZN ZN A 301 1555 1555 2.07 LINK ZN ZN A 301 O3 SO4 A 601 1555 1555 2.42 LINK NE2 HIS B 94 ZN ZN B 302 1555 1555 2.25 LINK NE2 HIS B 96 ZN ZN B 302 1555 1555 2.36 LINK ND1 HIS B 119 ZN ZN B 302 1555 1555 2.14 LINK ZN ZN B 302 O3 SO4 B 701 1555 1555 2.31 CISPEP 1 SER A 29 PRO A 30 0 0.42 CISPEP 2 PRO A 201 THR A 202 0 0.11 CISPEP 3 SER B 29 PRO B 30 0 0.32 CISPEP 4 PRO B 201 THR B 202 0 0.25 SITE 1 CTA 5 HIS A 94 HIS A 96 HIS A 119 ZN A 301 SITE 2 CTA 5 SO4 A 601 SITE 1 CTB 5 HIS B 94 HIS B 96 HIS B 119 ZN B 302 SITE 2 CTB 5 SO4 B 701 SITE 1 AC1 4 LEU A 198 THR A 199 TRP A 209 ZN A 301 SITE 1 AC2 5 HIS A 94 HIS A 96 HIS A 119 THR A 199 SITE 2 AC2 5 SO4 A 601 SITE 1 AC3 5 HIS B 94 HIS B 96 HIS B 119 THR B 199 SITE 2 AC3 5 SO4 B 701 SITE 1 AC4 5 HIS B 119 LEU B 198 THR B 199 TRP B 209 SITE 2 AC4 5 ZN B 302 CRYST1 89.500 47.700 141.000 90.00 106.30 90.00 C 1 2 1 8 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 0.011173 0.000000 0.003267 0.00000 SCALE2 0.000000 0.020964 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007389 0.00000