1MRC - Header Asymmetric Unit

HEADER IMMUNOGLOBULIN 13-JUN-94 1MRC

TITLE PREPARATION, CHARACTERIZATION AND CRYSTALLIZATION OF AN TITLE 2 ANTIBODY FAB FRAGMENT THAT RECOGNIZES RNA. CRYSTAL TITLE 3 STRUCTURES OF NATIVE FAB AND THREE FAB-MONONUCLEOTIDE TITLE 4 COMPLEXES

COMPND MOL_ID: 1; COMPND 2 MOLECULE: IGG2B-KAPPA JEL103 FAB (LIGHT CHAIN); COMPND 3 CHAIN: L; COMPND 4 ENGINEERED: YES; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: IGG2B-KAPPA JEL103 FAB (HEAVY CHAIN); COMPND 7 CHAIN: H; COMPND 8 ENGINEERED: YES

SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MUS MUSCULUS; SOURCE 3 ORGANISM_COMMON: HOUSE MOUSE; SOURCE 4 ORGANISM_TAXID: 10090; SOURCE 5 MOL_ID: 2; SOURCE 6 ORGANISM_SCIENTIFIC: MUS MUSCULUS; SOURCE 7 ORGANISM_COMMON: HOUSE MOUSE; SOURCE 8 ORGANISM_TAXID: 10090

KEYWDS IMMUNOGLOBULIN

EXPDTA X-RAY DIFFRACTION

AUTHOR P.R.POKKULURI,M.CYGLER

REVDAT 3 25-AUG-09 1MRC 1 SOURCE REVDAT 2 24-FEB-09 1MRC 1 VERSN REVDAT 1 14-FEB-95 1MRC 0

JRNL AUTH P.R.POKKULURI,F.BOUTHILLIER,Y.LI,A.KUDEROVA,J.LEE, JRNL AUTH 2 M.CYGLER JRNL TITL PREPARATION, CHARACTERIZATION AND CRYSTALLIZATION JRNL TITL 2 OF AN ANTIBODY FAB FRAGMENT THAT RECOGNIZES RNA. JRNL TITL 3 CRYSTAL STRUCTURES OF NATIVE FAB AND THREE JRNL TITL 4 FAB-MONONUCLEOTIDE COMPLEXES. JRNL REF J.MOL.BIOL. V. 243 283 1994 JRNL REFN ISSN 0022-2836 JRNL PMID 7523684 JRNL DOI 10.1006/JMBI.1994.1654

REMARK 1

REMARK 2 REMARK 2 RESOLUTION. 2.40 ANGSTROMS.

REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.40 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : NULL REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : NULL 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 SET) : 0.191 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 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) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL 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 : 3136 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 11 REMARK 3 SOLVENT ATOMS : 72 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 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) : 0.011 REMARK 3 BOND ANGLES (DEGREES) : 1.90 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL 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) : 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: RESIDUE ARG H 40 WAS REFINED AS LYS.

REMARK 4 REMARK 4 1MRC COMPLIES WITH FORMAT V. 3.15, 01-DEC-08

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL.

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 <I/SIGMA(I)> 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 <I/SIGMA(I)> 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 (%): 56.60 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.83 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL

REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 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 33.20000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 53.25000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 37.85000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 53.25000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 33.20000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 37.85000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL

REMARK 300 REMARK 300 BIOMOLECULE: 1 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 3560 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 18740 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -57.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: L, H 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 ASN L 212 REMARK 465 GLU L 213 REMARK 465 CYS L 214 REMARK 465 ASP H 51A REMARK 465 PRO H 52 REMARK 465 SER H 53 REMARK 465 ASP H 54 REMARK 465 THR H 73 REMARK 465 SER H 74 REMARK 465 SER H 75 REMARK 465 GLY H 129 REMARK 465 CYS H 130 REMARK 465 GLY H 131 REMARK 465 ASP H 132

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 SER L 10 OG REMARK 470 ARG L 24 CG CD NE CZ NH1 NH2 REMARK 470 LYS L 45 CG CD CE NZ REMARK 470 ARG L 77 CG CD NE CZ NH1 NH2 REMARK 470 SER L 127 OG REMARK 470 LYS L 142 CG CD CE NZ REMARK 470 ASN L 145 CG OD1 ND2 REMARK 470 LYS L 147 CG CD CE NZ REMARK 470 LYS L 153 CG CD CE NZ REMARK 470 GLN L 156 CG CD OE1 NE2 REMARK 470 SER L 162 OG REMARK 470 LYS L 169 CG CD CE NZ REMARK 470 ARG L 188 NE CZ NH1 NH2 REMARK 470 THR L 202 OG1 CG2 REMARK 470 GLN H 1 CG CD OE1 NE2 REMARK 470 VAL H 2 CG1 CG2 REMARK 470 THR H 30 OG1 CG2 REMARK 470 ARG H 40 NE CZ NH1 NH2 REMARK 470 TYR H 56 CG CD1 CD2 CE1 CE2 CZ OH REMARK 470 THR H 57 OG1 CG2 REMARK 470 LYS H 64 CG CD CE NZ REMARK 470 THR H 68 OG1 CG2 REMARK 470 THR H 70 OG1 CG2 REMARK 470 ASP H 72 CG OD1 OD2 REMARK 470 GLN H 105 CG CD OE1 NE2 REMARK 470 LYS H 115 CG CD CE NZ

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 LEU L 11 CA - CB - CG ANGL. DEV. = 14.2 DEGREES REMARK 500 SER H 215 N - CA - C ANGL. DEV. = -20.0 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 VAL L 2 107.81 97.43 REMARK 500 VAL L 51 -53.69 73.41 REMARK 500 ASP L 60 -5.05 -56.85 REMARK 500 SER L 67 141.67 -175.77 REMARK 500 SER L 171 14.73 53.75 REMARK 500 THR H 30 -3.95 -59.24 REMARK 500 PRO H 41 -44.74 -18.24 REMARK 500 GLN H 43 -54.61 56.89 REMARK 500 THR H 77 158.86 177.45 REMARK 500 LEU H 95 32.02 -99.47 REMARK 500 GLU H 150 -168.29 -59.06 REMARK 500 SER H 151 92.94 76.70 REMARK 500 REMARK 500 REMARK: NULL

REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH H 601 DISTANCE = 11.70 ANGSTROMS REMARK 525 HOH H 606 DISTANCE = 6.11 ANGSTROMS REMARK 525 HOH L 653 DISTANCE = 5.57 ANGSTROMS

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 L 600 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS L 189 ND1 REMARK 620 2 IMD L 902 N1 119.5 REMARK 620 3 ASP L 151 OD2 109.0 98.2 REMARK 620 4 ASP H 220 OD2 100.6 131.7 92.6 REMARK 620 5 ASP H 220 OD1 143.6 80.2 96.7 51.7 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 L 600 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 L 903 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IMD L 902

DBREF 1MRC L 1 214 PIR PC4203 PC4203 1 219 DBREF 1MRC H 2 227 GB 387221 AAA51630 2 220

SEQADV 1MRC VAL L 3 PIR PC4203 LEU 3 CONFLICT SEQADV 1MRC LEU L 27B PIR PC4203 ILE 29 CONFLICT SEQADV 1MRC SER L 27A PIR PC4203 THR 32 CONFLICT SEQADV 1MRC HIS L 34 PIR PC4203 GLU 39 CONFLICT SEQADV 1MRC PHE L 87 PIR PC4203 TYR 92 CONFLICT SEQADV 1MRC SER L 89 PIR PC4203 PHE 94 CONFLICT SEQADV 1MRC SER L 91 PIR PC4203 GLY 96 CONFLICT SEQADV 1MRC THR L 92 PIR PC4203 SER 97 CONFLICT SEQADV 1MRC LYS L 153 PIR PC4203 SER 158 CONFLICT SEQADV 1MRC ASN L 167 PIR PC4203 ASP 172 CONFLICT SEQADV 1MRC LYS H 13 GB 387221 ARG 13 CONFLICT SEQADV 1MRC ALA H 16 GB 387221 THR 16 CONFLICT SEQADV 1MRC LEU H 20 GB 387221 MET 20 CONFLICT SEQADV 1MRC SER H 25 GB 387221 ALA 25 CONFLICT SEQADV 1MRC SER H 31 GB 387221 ASN 31 CONFLICT SEQADV 1MRC MET H 34 GB 387221 ILE 34 CONFLICT SEQADV 1MRC GLN H 35 GB 387221 GLY 35 CONFLICT SEQADV 1MRC GLN H 39 GB 387221 GLU 39 CONFLICT SEQADV 1MRC GLN H 43 GB 387221 HIS 43 CONFLICT SEQADV 1MRC GLU H 50 GB 387221 ASP 50 CONFLICT SEQADV 1MRC ASP H 51A GB 387221 TYR 52 CONFLICT SEQADV 1MRC SER H 53 GB 387221 GLY 54 CONFLICT SEQADV 1MRC ASP H 54 GB 387221 GLY 55 CONFLICT SEQADV 1MRC SER H 55 GB 387221 GLY 56 CONFLICT SEQADV 1MRC TYR H 56 GB 387221 PHE 57 CONFLICT SEQADV 1MRC GLN H 61 GB 387221 GLU 62 CONFLICT SEQADV 1MRC LYS H 62 GB 387221 ASN 63 CONFLICT SEQADV 1MRC VAL H 71 GB 387221 ALA 72 CONFLICT SEQADV 1MRC VAL H 89 GB 387221 ILE 93 CONFLICT SEQADV 1MRC TYR H 91 GB 387221 HIS 95 CONFLICT SEQADV 1MRC H GB 387221 ARG 98 DELETION SEQADV 1MRC H GB 387221 GLY 99 DELETION SEQADV 1MRC H GB 387221 ILE 100 DELETION SEQADV 1MRC H GB 387221 TYR 101 DELETION SEQADV 1MRC H GB 387221 TYR 102 DELETION SEQADV 1MRC LEU H 95 GB 387221 SER 104 CONFLICT SEQADV 1MRC ARG H 96 GB 387221 SER 105 CONFLICT SEQADV 1MRC GLY H 97 GB 387221 PRO 106 CONFLICT SEQADV 1MRC TYR H 102 GB 387221 SER 110 CONFLICT SEQADV 1MRC LEU H 140 GB 387221 SER 146 CONFLICT SEQADV 1MRC SER H 151 GB 387221 PRO 157 CONFLICT

SEQRES 1 L 219 ASP VAL VAL MET THR GLN THR PRO LEU SER LEU PRO VAL SEQRES 2 L 219 SER LEU GLY ASP GLN ALA SER ILE SER CYS ARG SER SER SEQRES 3 L 219 GLN SER LEU VAL HIS SER ASN GLY ASN THR TYR LEU HIS SEQRES 4 L 219 TRP TYR LEU GLN LYS PRO GLY GLN SER PRO LYS LEU LEU SEQRES 5 L 219 ILE TYR LYS VAL SER ASN ARG PHE SER GLY VAL PRO ASP SEQRES 6 L 219 ARG PHE SER GLY SER GLY SER GLY THR ASP PHE THR LEU SEQRES 7 L 219 LYS ILE SER ARG VAL GLU ALA GLU ASP LEU GLY VAL TYR SEQRES 8 L 219 PHE CYS SER GLN SER THR HIS VAL PRO ARG THR PHE GLY SEQRES 9 L 219 GLY GLY THR LYS LEU GLU ILE LYS ARG ALA ASP ALA ALA SEQRES 10 L 219 PRO THR VAL SER ILE PHE PRO PRO SER SER GLU GLN LEU SEQRES 11 L 219 THR SER GLY GLY ALA SER VAL VAL CYS PHE LEU ASN ASN SEQRES 12 L 219 PHE TYR PRO LYS ASP ILE ASN VAL LYS TRP LYS ILE ASP SEQRES 13 L 219 GLY LYS GLU ARG GLN ASN GLY VAL LEU ASN SER TRP THR SEQRES 14 L 219 ASP GLN ASN SER LYS ASP SER THR TYR SER MET SER SER SEQRES 15 L 219 THR LEU THR LEU THR LYS ASP GLU TYR GLU ARG HIS ASN SEQRES 16 L 219 SER TYR THR CYS GLU ALA THR HIS LYS THR SER THR SER SEQRES 17 L 219 PRO ILE VAL LYS SER PHE ASN ARG ASN GLU CYS SEQRES 1 H 215 GLN VAL GLN LEU GLN GLN SER GLY ALA GLU LEU VAL LYS SEQRES 2 H 215 PRO GLY ALA SER VAL LYS LEU SER CYS LYS ALA SER GLY SEQRES 3 H 215 TYR THR PHE THR SER TYR TRP MET GLN TRP VAL LYS GLN SEQRES 4 H 215 ARG PRO GLY GLN GLY LEU GLU TRP ILE GLY GLU ILE ASP SEQRES 5 H 215 PRO SER ASP SER TYR THR ASN TYR ASN GLN LYS PHE LYS SEQRES 6 H 215 GLY LYS ALA THR LEU THR VAL ASP THR SER SER SER THR SEQRES 7 H 215 ALA TYR MET GLN LEU SER SER LEU THR SER GLU ASP SER SEQRES 8 H 215 ALA VAL TYR TYR CYS ALA ASN LEU ARG GLY TYR PHE ASP SEQRES 9 H 215 TYR TRP GLY GLN GLY THR THR LEU THR VAL SER SER ALA SEQRES 10 H 215 LYS THR THR PRO PRO SER VAL TYR PRO LEU ALA PRO GLY SEQRES 11 H 215 CYS GLY ASP THR THR GLY SER SER VAL THR LEU GLY CYS SEQRES 12 H 215 LEU VAL LYS GLY TYR PHE PRO GLU SER VAL THR VAL THR SEQRES 13 H 215 TRP ASN SER GLY SER LEU SER SER SER VAL HIS THR PHE SEQRES 14 H 215 PRO ALA LEU LEU GLN SER GLY LEU TYR THR MET SER SER SEQRES 15 H 215 SER VAL THR VAL PRO SER SER THR TRP PRO SER GLN THR SEQRES 16 H 215 VAL THR CYS SER VAL ALA HIS PRO ALA SER SER THR THR SEQRES 17 H 215 VAL ASP LYS LYS LEU GLU PRO

HET ZN L 600 1 HET SO4 L 903 5 HET IMD L 902 5

HETNAM ZN ZINC ION HETNAM SO4 SULFATE ION HETNAM IMD IMIDAZOLE

FORMUL 3 ZN ZN 2+ FORMUL 4 SO4 O4 S 2- FORMUL 5 IMD C3 H5 N2 1+ FORMUL 6 HOH *72(H2 O)

HELIX 1 1 GLU L 79 LEU L 83 5 5 HELIX 2 2 SER L 121 THR L 126 1 6 HELIX 3 3 LYS L 183 HIS L 189 1 7 HELIX 4 4 THR H 28 TYR H 32 5 5 HELIX 5 5 THR H 83 SER H 87 5 5 HELIX 6 6 SER H 196 TRP H 199 5 3

SHEET 1 B1 4 VAL L 3 THR L 7 0 SHEET 2 B1 4 ASP L 17 SER L 25 -1 SHEET 3 B1 4 ASP L 70 ILE L 75 -1 SHEET 4 B1 4 PHE L 62 SER L 67 -1 SHEET 1 B2 6 SER L 10 VAL L 13 0 SHEET 2 B2 6 THR L 97 LYS L 107 1 SHEET 3 B2 6 GLY L 84 GLN L 90 -1 O GLY L 84 N LEU L 104 SHEET 4 B2 6 TYR L 32 GLN L 38 -1 SHEET 5 B2 6 GLN L 42 LYS L 50 -1 N LYS L 45 O LEU L 37 SHEET 6 B2 6 ASN L 53 SER L 56 -1 N ASN L 53 O TYR L 49 SHEET 1 B3 4 VAL H 2 SER H 7 0 SHEET 2 B3 4 SER H 17 SER H 25 -1 O SER H 25 N GLN H 3 SHEET 3 B3 4 ALA H 78 SER H 82A-1 N LEU H 82 O VAL H 18 SHEET 4 B3 4 ALA H 67 THR H 70 -1 N THR H 68 O GLN H 81 SHEET 1 B4 6 GLY H 8 PRO H 14 0 SHEET 2 B4 6 TYR H 102 SER H 112 1 N THR H 108 O GLY H 8 SHEET 3 B4 6 ALA H 88 ASN H 94 -1 O ASN H 94 N TYR H 102 SHEET 4 B4 6 TYR H 32 ARG H 40 -1 N GLN H 35 O ALA H 93 SHEET 5 B4 6 LEU H 45 ILE H 48 -1 N GLU H 46 O LYS H 38 SHEET 6 B4 6 THR H 57 ASN H 60 -1 SHEET 1 B5 4 THR L 114 SER L 121 0 SHEET 2 B5 4 GLY L 129 TYR L 140 -1 O ASN L 137 N THR L 114 SHEET 3 B5 4 THR L 172 THR L 182 -1 O LEU L 181 N ALA L 130 SHEET 4 B5 4 VAL L 159 ASN L 167 -1 SHEET 1 B6 3 ASP L 143 ASP L 151 0 SHEET 2 B6 3 ASN L 190 HIS L 198 -1 O THR L 197 N ASN L 145 SHEET 3 B6 3 SER L 203 ARG L 211 -1 N ARG L 211 O ASN L 190 SHEET 1 B7 4 SER H 120 LEU H 124 0 SHEET 2 B7 4 SER H 137 GLY H 146 -1 O LYS H 145 N SER H 120 SHEET 3 B7 4 LEU H 184 PRO H 194 -1 SHEET 4 B7 4 VAL H 171 GLN H 179 -1 O GLN H 179 N LEU H 184 SHEET 1 B8 3 THR H 153 ASN H 162 0 SHEET 2 B8 3 VAL H 205 HIS H 212 -1 O ALA H 211 N THR H 153 SHEET 3 B8 3 THR H 217 LEU H 223 -1 N LEU H 223 O VAL H 205

SSBOND 1 CYS L 23 CYS L 88 1555 1555 2.02 SSBOND 2 CYS L 134 CYS L 194 1555 1555 2.03 SSBOND 3 CYS H 22 CYS H 92 1555 1555 2.03 SSBOND 4 CYS H 142 CYS H 208 1555 1555 2.02

LINK ZN ZN L 600 ND1 HIS L 189 1555 1555 2.24 LINK ZN ZN L 600 N1 IMD L 902 1555 1555 2.26 LINK ZN ZN L 600 OD2 ASP L 151 1555 1555 2.27 LINK ZN ZN L 600 OD2 ASP H 220 1555 3655 2.35 LINK ZN ZN L 600 OD1 ASP H 220 1555 3655 2.67

CISPEP 1 THR L 7 PRO L 8 0 0.10 CISPEP 2 VAL L 94 PRO L 95 0 -0.36 CISPEP 3 TYR L 140 PRO L 141 0 0.19 CISPEP 4 PHE H 148 PRO H 149 0 -0.06 CISPEP 5 TRP H 199 PRO H 200 0 0.46

SITE 1 AC1 4 ASP H 220 ASP L 151 HIS L 189 IMD L 902 SITE 1 AC2 5 ARG H 96 ASN L 30 TYR L 32 LYS L 50 SITE 2 AC2 5 HOH L 634 SITE 1 AC3 8 SER H 163 SER H 209 THR H 218 ASP H 220 SITE 2 AC3 8 ASP L 151 ARG L 188 ASN L 190 ZN L 600

CRYST1 66.400 75.700 106.500 90.00 90.00 90.00 P 21 21 21 4

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 0.015060 0.000000 0.000000 0.00000

SCALE2 0.000000 0.013210 0.000000 0.00000

SCALE3 0.000000 0.000000 0.009390 0.00000