1Z60 - Header Asymmetric Unit

HEADER TRANSCRIPTION 21-MAR-05 1Z60

TITLE SOLUTION STRUCTURE OF THE CARBOXY-TERMINAL DOMAIN OF HUMAN TITLE 2 TFIIH P44 SUBUNIT

COMPND MOL_ID: 1; COMPND 2 MOLECULE: TFIIH BASAL TRANSCRIPTION FACTOR COMPLEX P44 COMPND 3 SUBUNIT; COMPND 4 CHAIN: A; COMPND 5 FRAGMENT: C-TERMINAL DOMAIN; COMPND 6 SYNONYM: TFIIH P44 SUBUNIT, BASIC TRANSCRIPTION FACTOR 2 COMPND 7 44 KDA SUBUNIT, BTF2-P44, GENERAL TRANSCRIPTION FACTOR IIH COMPND 8 POLYPEPTIDE 2; COMPND 9 ENGINEERED: YES; COMPND 10 MUTATION: YES

SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PGEX

KEYWDS BASIC TRANSCRIPTION FACTOR, ZINC BINDING PROTEIN, RING KEYWDS 2 FINGER

EXPDTA SOLUTION NMR

NUMMDL 10

AUTHOR E.KELLENBERGER,C.DOMINGUEZ,S.FRIBOURG,E.WASIELEWSKI,D.MORAS, AUTHOR 2 A.POTERSZMAN,R.BOELENS,B.KIEFFER

REVDAT 3 24-FEB-09 1Z60 1 VERSN REVDAT 2 19-JUL-05 1Z60 1 JRNL REVDAT 1 12-APR-05 1Z60 0

SPRSDE 12-APR-05 1Z60 1E53

JRNL AUTH E.KELLENBERGER,C.DOMINGUEZ,S.FRIBOURG, JRNL AUTH 2 E.WASIELEWSKI,D.MORAS,A.POTERSZMAN,R.BOELENS, JRNL AUTH 3 B.KIEFFER JRNL TITL SOLUTION STRUCTURE OF THE C-TERMINAL DOMAIN OF JRNL TITL 2 TFIIH P44 SUBUNIT REVEALS A NOVEL TYPE OF C4C4 JRNL TITL 3 RING DOMAIN INVOLVED IN PROTEIN-PROTEIN JRNL TITL 4 INTERACTIONS. JRNL REF J.BIOL.CHEM. V. 280 20785 2005 JRNL REFN ISSN 0021-9258 JRNL PMID 15790571 JRNL DOI 10.1074/JBC.M412999200

REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH S.FRIBOURG,E.KELLENBERGER,H.ROGNIAUX,A.POTERSZMAN, REMARK 1 AUTH 2 A.VAN DORSSELAER,J.C.THIERRY,J.M.EGLY,D.MORAS, REMARK 1 AUTH 3 B.KIEFFER REMARK 1 TITL STRUCTURAL CHARACTERIZATION OF THE CYSTEINE-RICH REMARK 1 TITL 2 DOMAIN OF TFIIH P44 SUBUNIT REMARK 1 REF J.BIOL.CHEM. V. 275 31963 2000 REMARK 1 REFN ISSN 0021-9258 REMARK 1 PMID 10882739 REMARK 1 DOI 10.1074/JBC.M004960200

REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE.

REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : XPLOR-NIH 2.0.6 REMARK 3 AUTHORS : C.D.SCHWIETERS,J.J.KUSZEWSKI,N.TJANDRA,G.M.CLORE REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: AUTOMATED ASSIGNMENT OF THE NOE WAS REMARK 3 PERFORMED, THE STRUCTURES ARE BASED ON 1294 UNAMBIGUOUS NOE- REMARK 3 DERIVED DISTANCE CONSTRAINTS, 32 DIHEDRAL ANGLE RESTRAINTS AND REMARK 3 17 DISTANCE RESTRAINTS FROM HYDROGEN BONDS. GEOMETRY OF THE REMARK 3 ZINC BINDING SITE II IS DISTORDED DUE TO CONFORMATIONAL REMARK 3 EXCHANGE AVERAGING.

REMARK 4 REMARK 4 1Z60 COMPLIES WITH FORMAT V. 3.15, 01-DEC-08

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 25-MAR-05. REMARK 100 THE RCSB ID CODE IS RCSB032341.

REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 293; 303 REMARK 210 PH : 7; 7 REMARK 210 IONIC STRENGTH : NULL; NULL REMARK 210 PRESSURE : AMBIENT; AMBIENT REMARK 210 SAMPLE CONTENTS : 1MM P44 U-15N; 20MM REMARK 210 DEUTERATED TRISHCL BUFFER, REMARK 210 20MM NACL AND 0.5MM DTT; 0.5MM REMARK 210 P44; 20MM DEUTERATED TRISHCL REMARK 210 BUFFER, 20MM NACL AND 0.5MM DTT REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 3D_15N-EDITED TOCSY AND REMARK 210 NOESY, 2D TOCSY AND NOESY, HSQC REMARK 210 SPECTROMETER FIELD STRENGTH : 600 MHZ REMARK 210 SPECTROMETER MODEL : DRX REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : ARIA / CNS 1.2., XEASY 1.2, REMARK 210 XWINNMR 2.6 REMARK 210 METHOD USED : SIMULATED ANNEALING REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 50 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 10 REMARK 210 CONFORMERS, SELECTION CRITERIA : STRUCTURES WITH THE LOWEST REMARK 210 ENERGY REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 1 REMARK 210 REMARK 210 REMARK: 113CD-1H HSQC SPECTRUM WAS RECORDED USING A BROADBAND Z REMARK 210 -GRADIENT PROBE AT 293 K

REMARK 215 REMARK 215 NMR STUDY REMARK 215 THE COORDINATES IN THIS ENTRY WERE GENERATED FROM SOLUTION REMARK 215 NMR DATA. PROTEIN DATA BANK CONVENTIONS REQUIRE THAT REMARK 215 CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES ON REMARK 215 THESE RECORDS ARE MEANINGLESS.

REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS 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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) 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 RES CSSEQI ATM2 DEVIATION REMARK 500 1 ASN A 365 N ASN A 365 CA -0.138 REMARK 500 1 GLN A 364 C ASN A 365 N -0.182 REMARK 500 1 CYS A 368 CB CYS A 368 SG -0.158 REMARK 500 2 PHE A 344 CA PHE A 344 CB -0.144 REMARK 500 2 GLN A 364 C ASN A 365 N -0.140 REMARK 500 2 HIS A 380 CG HIS A 380 CD2 0.074 REMARK 500 3 ASN A 365 N ASN A 365 CA -0.135 REMARK 500 3 GLN A 364 C ASN A 365 N -0.168 REMARK 500 4 CYS A 368 CB CYS A 368 SG -0.113 REMARK 500 5 CYS A 363 C CYS A 363 O -0.125 REMARK 500 5 GLN A 364 N GLN A 364 CA 0.145 REMARK 500 5 GLN A 364 CB GLN A 364 CG -0.178 REMARK 500 6 CYS A 363 CA CYS A 363 CB -0.097 REMARK 500 6 PHE A 367 CB PHE A 367 CG -0.123 REMARK 500 7 CYS A 368 CB CYS A 368 SG -0.100 REMARK 500 8 PHE A 344 CA PHE A 344 CB -0.138 REMARK 500 8 GLN A 364 C ASN A 365 N -0.141 REMARK 500 9 GLN A 364 N GLN A 364 CA 0.164 REMARK 500 9 ASN A 365 N ASN A 365 CA -0.121 REMARK 500 10 TYR A 346 CE2 TYR A 346 CD2 -0.133 REMARK 500 10 ASN A 365 N ASN A 365 CA -0.149 REMARK 500 10 GLN A 364 C ASN A 365 N -0.175 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 1 CYS A 368 CB - CA - C ANGL. DEV. = -13.2 DEGREES REMARK 500 1 CYS A 368 CA - CB - SG ANGL. DEV. = 7.0 DEGREES REMARK 500 1 ASP A 370 CB - CA - C ANGL. DEV. = -19.8 DEGREES REMARK 500 1 CYS A 371 CB - CA - C ANGL. DEV. = 9.8 DEGREES REMARK 500 2 CYS A 348 CA - CB - SG ANGL. DEV. = 6.8 DEGREES REMARK 500 2 PHE A 367 CB - CG - CD2 ANGL. DEV. = -5.7 DEGREES REMARK 500 2 CYS A 368 CB - CA - C ANGL. DEV. = -13.8 DEGREES REMARK 500 2 CYS A 368 CA - CB - SG ANGL. DEV. = 8.7 DEGREES REMARK 500 2 ASP A 370 CB - CG - OD1 ANGL. DEV. = 5.6 DEGREES REMARK 500 2 CYS A 371 CB - CA - C ANGL. DEV. = 7.2 DEGREES REMARK 500 4 CYS A 363 CA - CB - SG ANGL. DEV. = 6.7 DEGREES REMARK 500 4 CYS A 368 CA - CB - SG ANGL. DEV. = 8.8 DEGREES REMARK 500 4 ASP A 370 CB - CA - C ANGL. DEV. = -21.7 DEGREES REMARK 500 4 ASP A 370 CB - CG - OD2 ANGL. DEV. = -5.6 DEGREES REMARK 500 4 CYS A 371 CB - CA - C ANGL. DEV. = 9.4 DEGREES REMARK 500 5 PHE A 331 CB - CG - CD2 ANGL. DEV. = -4.2 DEGREES REMARK 500 5 TYR A 339 CB - CG - CD2 ANGL. DEV. = -5.4 DEGREES REMARK 500 5 TYR A 339 CB - CG - CD1 ANGL. DEV. = 4.3 DEGREES REMARK 500 5 TYR A 346 N - CA - CB ANGL. DEV. = -14.4 DEGREES REMARK 500 5 TYR A 346 CA - CB - CG ANGL. DEV. = 12.3 DEGREES REMARK 500 5 CYS A 363 CB - CA - C ANGL. DEV. = 12.3 DEGREES REMARK 500 5 CYS A 363 CA - CB - SG ANGL. DEV. = 7.6 DEGREES REMARK 500 5 GLN A 364 N - CA - CB ANGL. DEV. = 13.3 DEGREES REMARK 500 5 CYS A 368 CA - CB - SG ANGL. DEV. = 8.6 DEGREES REMARK 500 6 TYR A 339 CB - CG - CD2 ANGL. DEV. = -4.9 DEGREES REMARK 500 6 TYR A 339 CB - CG - CD1 ANGL. DEV. = 4.1 DEGREES REMARK 500 6 CYS A 360 N - CA - CB ANGL. DEV. = 10.1 DEGREES REMARK 500 7 PHE A 331 CB - CG - CD2 ANGL. DEV. = -4.4 DEGREES REMARK 500 7 CYS A 360 N - CA - CB ANGL. DEV. = 9.3 DEGREES REMARK 500 7 PHE A 367 N - CA - CB ANGL. DEV. = 11.2 DEGREES REMARK 500 7 PHE A 367 CB - CG - CD1 ANGL. DEV. = -4.6 DEGREES REMARK 500 7 CYS A 368 CA - CB - SG ANGL. DEV. = 7.3 DEGREES REMARK 500 8 CYS A 360 N - CA - CB ANGL. DEV. = 9.6 DEGREES REMARK 500 9 TYR A 346 CB - CG - CD2 ANGL. DEV. = 4.2 DEGREES REMARK 500 9 CYS A 360 N - CA - CB ANGL. DEV. = 9.5 DEGREES REMARK 500 10 PHE A 344 CB - CG - CD1 ANGL. DEV. = -4.4 DEGREES REMARK 500 10 TYR A 346 N - CA - CB ANGL. DEV. = -11.1 DEGREES REMARK 500 10 TYR A 346 CB - CG - CD2 ANGL. DEV. = -6.9 DEGREES REMARK 500 10 TYR A 346 CB - CG - CD1 ANGL. DEV. = 5.7 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 1 GLU A 342 108.76 -59.18 REMARK 500 1 GLN A 355 -47.61 -157.30 REMARK 500 1 GLN A 364 -19.78 56.16 REMARK 500 1 ASP A 377 -65.97 -94.16 REMARK 500 1 LEU A 379 -109.38 -116.95 REMARK 500 2 GLN A 355 -49.06 -156.67 REMARK 500 2 GLN A 364 -20.60 24.29 REMARK 500 2 ASP A 377 -80.70 -91.47 REMARK 500 2 SER A 381 -43.58 -178.80 REMARK 500 3 ALA A 330 -83.15 -52.18 REMARK 500 3 LEU A 352 -122.68 -88.55 REMARK 500 3 GLN A 355 -32.08 177.93 REMARK 500 3 GLN A 364 -20.30 50.60 REMARK 500 3 LEU A 379 -103.86 -144.39 REMARK 500 4 PHE A 344 -169.84 44.57 REMARK 500 4 GLN A 355 -47.89 -168.79 REMARK 500 4 GLN A 364 -5.88 52.58 REMARK 500 4 ASP A 377 -143.47 -99.19 REMARK 500 4 HIS A 380 178.51 152.36 REMARK 500 5 LYS A 353 22.59 -67.40 REMARK 500 5 GLN A 355 -43.10 -173.96 REMARK 500 5 HIS A 376 -131.13 -170.57 REMARK 500 5 HIS A 380 175.25 -54.22 REMARK 500 6 ASP A 329 -40.49 -157.17 REMARK 500 6 GLN A 332 164.42 179.68 REMARK 500 6 GLN A 355 -43.47 -158.88 REMARK 500 6 ALA A 361 -11.05 67.12 REMARK 500 6 VAL A 362 -67.93 -129.43 REMARK 500 6 GLN A 364 -1.20 52.54 REMARK 500 6 ASP A 377 -27.54 85.15 REMARK 500 6 HIS A 380 -179.10 156.13 REMARK 500 7 ARG A 343 -134.46 68.29 REMARK 500 7 PHE A 344 141.22 44.53 REMARK 500 7 GLN A 355 -34.14 -162.51 REMARK 500 7 ALA A 361 -15.55 66.42 REMARK 500 7 GLN A 364 -5.98 58.27 REMARK 500 7 SER A 378 -12.61 167.95 REMARK 500 7 HIS A 380 173.28 161.88 REMARK 500 8 PHE A 331 64.37 39.69 REMARK 500 8 CYS A 348 -40.22 -131.13 REMARK 500 8 GLU A 351 135.42 111.28 REMARK 500 8 GLN A 355 -58.20 -163.58 REMARK 500 8 ALA A 361 -17.60 52.78 REMARK 500 8 CYS A 363 88.12 -169.87 REMARK 500 8 GLN A 364 -23.59 80.28 REMARK 500 8 ASP A 377 -69.89 -95.85 REMARK 500 8 LEU A 379 -142.94 -110.90 REMARK 500 9 PRO A 335 24.12 -76.52 REMARK 500 9 LEU A 336 -47.87 74.33 REMARK 500 9 GLN A 355 -53.02 -163.85 REMARK 500 9 VAL A 362 4.63 -161.06 REMARK 500 9 GLN A 364 -19.65 38.71 REMARK 500 9 ASN A 365 -16.80 81.05 REMARK 500 9 ASP A 377 -119.27 -120.99 REMARK 500 9 HIS A 380 -172.92 -44.62 REMARK 500 10 ARG A 343 81.38 39.57 REMARK 500 10 GLU A 351 129.76 54.84 REMARK 500 10 LEU A 352 -152.13 -152.48 REMARK 500 10 GLN A 355 -53.66 177.11 REMARK 500 10 GLN A 364 -19.14 71.62 REMARK 500 10 SER A 378 18.26 -172.65 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 5 TYR A 346 0.08 SIDE_CHAIN 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 1 ZN A 1 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 345 SG REMARK 620 2 CYS A 348 SG 102.6 REMARK 620 3 CYS A 368 SG 92.0 123.4 REMARK 620 4 CYS A 371 SG 100.1 113.1 117.6 REMARK 620 5 ASP A 370 OD2 168.8 78.7 78.3 89.4 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 1 ZN A 2 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 360 SG REMARK 620 2 CYS A 363 SG 95.9 REMARK 620 3 CYS A 382 SG 115.9 105.3 REMARK 620 4 CYS A 385 SG 115.5 106.5 114.8 REMARK 620 N 1 2 3

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 1 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 2

DBREF 1Z60 A 328 386 UNP Q13888 TF2H2_HUMAN 328 386

SEQADV 1Z60 SER A 381 UNP Q13888 CYS 381 ENGINEERED

SEQRES 1 A 59 LEU ASP ALA PHE GLN GLU ILE PRO LEU GLU GLU TYR ASN SEQRES 2 A 59 GLY GLU ARG PHE CYS TYR GLY CYS GLN GLY GLU LEU LYS SEQRES 3 A 59 ASP GLN HIS VAL TYR VAL CYS ALA VAL CYS GLN ASN VAL SEQRES 4 A 59 PHE CYS VAL ASP CYS ASP VAL PHE VAL HIS ASP SER LEU SEQRES 5 A 59 HIS SER CYS PRO GLY CYS ILE

HET ZN A 1 1 HET ZN A 2 1

HETNAM ZN ZINC ION

FORMUL 2 ZN 2(ZN 2+)

HELIX 1 1 LEU A 336 ASN A 340 1 5 HELIX 2 2 CYS A 368 PHE A 374 1 7

SHEET 1 A 2 GLU A 333 PRO A 335 0 SHEET 2 A 2 HIS A 356 TYR A 358 -1 O VAL A 357 N ILE A 334 SHEET 1 B 2 PHE A 344 CYS A 345 0 SHEET 2 B 2 GLY A 350 GLU A 351 -1 O GLY A 350 N CYS A 345

LINK ZN ZN A 1 SG CYS A 345 1555 1555 2.22 LINK ZN ZN A 1 SG CYS A 348 1555 1555 2.35 LINK ZN ZN A 1 SG CYS A 368 1555 1555 2.35 LINK ZN ZN A 1 SG CYS A 371 1555 1555 2.36 LINK ZN ZN A 2 SG CYS A 360 1555 1555 2.32 LINK ZN ZN A 2 SG CYS A 363 1555 1555 2.25 LINK ZN ZN A 2 SG CYS A 382 1555 1555 2.32 LINK ZN ZN A 2 SG CYS A 385 1555 1555 2.35 LINK ZN ZN A 1 OD2 ASP A 370 1555 1555 2.02

SITE 1 AC1 5 CYS A 345 CYS A 348 CYS A 368 ASP A 370 SITE 2 AC1 5 CYS A 371 SITE 1 AC2 4 CYS A 360 CYS A 363 CYS A 382 CYS A 385

CRYST1 1.000 1.000 1.000 90.00 90.00 90.00 P 1 1

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 1.000000 0.000000 0.000000 0.00000

SCALE2 0.000000 1.000000 0.000000 0.00000

SCALE3 0.000000 0.000000 1.000000 0.00000