PDB Short entry for 2PSR HEADER EF-HAND PROTEIN 17-SEP-98 2PSR TITLE HUMAN PSORIASIN (S100A7) CA2+ AND ZN2+ BOUND FORM (CRYSTAL FORM II) COMPND MOL_ID: 1; COMPND 2 MOLECULE: PSORIASIN; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: S100A7; COMPND 5 ENGINEERED: YES; COMPND 6 OTHER_DETAILS: CA2+ AND ZN2+ BOUND FORM SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 CELL: KERATINOCYTES; SOURCE 6 CELLULAR_LOCATION: CYTOPLASMIC, OR MAY BE SECRETED BY A NON- SOURCE 7 CLASSICAL SECRETORY PATHWAY; SOURCE 8 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21; SOURCE 9 EXPRESSION_SYSTEM_TAXID: 511693; SOURCE 10 EXPRESSION_SYSTEM_STRAIN: BL21; SOURCE 11 EXPRESSION_SYSTEM_PLASMID: PT7H6FX-PS.4 KEYWDS CA-BINDING, ZN-BINDING, PSORIASIS, S100 PROTEIN FAMILY, EF-HAND KEYWDS 2 PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR D.E.BRODERSEN,J.NYBORG,M.KJELDGAARD REVDAT 5 09-AUG-23 2PSR 1 REMARK LINK REVDAT 4 13-JUL-11 2PSR 1 VERSN REVDAT 3 24-FEB-09 2PSR 1 VERSN REVDAT 2 01-APR-03 2PSR 1 JRNL REVDAT 1 15-JUN-99 2PSR 0 JRNL AUTH D.E.BRODERSEN,J.NYBORG,M.KJELDGAARD JRNL TITL ZINC-BINDING SITE OF AN S100 PROTEIN REVEALED. TWO CRYSTAL JRNL TITL 2 STRUCTURES OF CA2+-BOUND HUMAN PSORIASIN (S100A7) IN THE JRNL TITL 3 ZN2+-LOADED AND ZN2+-FREE STATES. JRNL REF BIOCHEMISTRY V. 38 1695 1999 JRNL REFN ISSN 0006-2960 JRNL PMID 10026247 JRNL DOI 10.1021/BI982483D REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH D.E.BRODERSEN,M.ETZERODT,P.MADSEN,J.E.CELIS,H.C.THOGERSEN, REMARK 1 AUTH 2 J.NYBORG,M.KJELDGAARD REMARK 1 TITL EF-HANDS AT ATOMIC RESOLUTION: THE STRUCTURE OF HUMAN REMARK 1 TITL 2 PSORIASIN (S100A7) SOLVED BY MAD PHASING REMARK 1 REF STRUCTURE V. 6 477 1998 REMARK 1 REFN ISSN 0969-2126 REMARK 1 REFERENCE 2 REMARK 1 AUTH S.NOLSOE,S.THIRUP,M.ETZERODT,H.C.THOGERSEN,J.NYBORG REMARK 1 TITL CRYSTALLIZATION AND PRELIMINARY X-RAY DIFFRACTION STUDIES OF REMARK 1 TITL 2 PSORIASIN REMARK 1 REF ACTA CRYSTALLOGR.,SECT.D V. 53 119 1997 REMARK 1 REFN ISSN 0907-4449 REMARK 1 REFERENCE 3 REMARK 1 AUTH P.MADSEN,H.H.RASMUSSEN,H.LEFFERS,B.HONORE,K.DEJGAARD, REMARK 1 AUTH 2 E.OLSEN,J.KIIL,E.WALBUM,A.H.ANDERSEN,B.BASSE,J.B.LAURIDSEN, REMARK 1 AUTH 3 G.P.RATZ,A.CELIS,J.VANDEKERCKHOVE,J.E.CELIS REMARK 1 TITL MOLECULAR CLONING, OCCURRENCE, AND EXPRESSION OF A NOVEL REMARK 1 TITL 2 PARTIALLY SECRETED PROTEIN "PSORIASIN" THAT IS HIGHLY REMARK 1 TITL 3 UP-REGULATED IN PSORIATIC SKIN REMARK 1 REF J.INVEST.DERMATOL. V. 97 701 1991 REMARK 1 REFN ISSN 0022-202X REMARK 2 REMARK 2 RESOLUTION. 2.05 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : SHELXL-97 REMARK 3 AUTHORS : G.M.SHELDRICK REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.05 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 100.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 3 CROSS-VALIDATION METHOD : FREE R REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (NO CUTOFF). REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : 0.217 REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : 0.215 REMARK 3 FREE R VALUE (NO CUTOFF) : 0.265 REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : 541 REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 10777 REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F). REMARK 3 R VALUE (WORKING + TEST SET, F>4SIG(F)) : 0.198 REMARK 3 R VALUE (WORKING SET, F>4SIG(F)) : 0.196 REMARK 3 FREE R VALUE (F>4SIG(F)) : 0.246 REMARK 3 FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : 5.300 REMARK 3 FREE R VALUE TEST SET COUNT (F>4SIG(F)) : 456 REMARK 3 TOTAL NUMBER OF REFLECTIONS (F>4SIG(F)) : 9118 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 769 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 2 REMARK 3 SOLVENT ATOMS : 106 REMARK 3 REMARK 3 MODEL REFINEMENT. REMARK 3 OCCUPANCY SUM OF NON-HYDROGEN ATOMS : 876.89 REMARK 3 OCCUPANCY SUM OF HYDROGEN ATOMS : 0.00 REMARK 3 NUMBER OF DISCRETELY DISORDERED RESIDUES : 0 REMARK 3 NUMBER OF LEAST-SQUARES PARAMETERS : 3513 REMARK 3 NUMBER OF RESTRAINTS : 3122 REMARK 3 REMARK 3 RMS DEVIATIONS FROM RESTRAINT TARGET VALUES. REMARK 3 BOND LENGTHS (A) : 0.005 REMARK 3 ANGLE DISTANCES (A) : 0.019 REMARK 3 SIMILAR DISTANCES (NO TARGET VALUES) (A) : 0.000 REMARK 3 DISTANCES FROM RESTRAINT PLANES (A) : 0.313 REMARK 3 ZERO CHIRAL VOLUMES (A**3) : 0.027 REMARK 3 NON-ZERO CHIRAL VOLUMES (A**3) : 0.034 REMARK 3 ANTI-BUMPING DISTANCE RESTRAINTS (A) : 0.006 REMARK 3 RIGID-BOND ADP COMPONENTS (A**2) : 0.000 REMARK 3 SIMILAR ADP COMPONENTS (A**2) : 0.077 REMARK 3 APPROXIMATELY ISOTROPIC ADPS (A**2) : 0.000 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED: MOEWS & KRETSINGER, J.MOL.BIOL. 91(1973) 201-228 REMARK 3 REMARK 3 STEREOCHEMISTRY TARGET VALUES : ENGH AND HUBER REMARK 3 SPECIAL CASE: NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2PSR 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_1000178506. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : SEP-95 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.7 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : EMBL/DESY, HAMBURG REMARK 200 BEAMLINE : BW7B REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.862 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 10791 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.050 REMARK 200 RESOLUTION RANGE LOW (A) : 20.100 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.9 REMARK 200 DATA REDUNDANCY : 7.000 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.11300 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 15.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.05 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.12 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 6.90 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.42300 REMARK 200 <I/SIGMA(I)> FOR SHELL : 5.000 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: 1PSR REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 59.70 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.06 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PH 6.7 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 43 21 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -Y+1/2,X+1/2,Z+3/4 REMARK 290 4555 Y+1/2,-X+1/2,Z+1/4 REMARK 290 5555 -X+1/2,Y+1/2,-Z+3/4 REMARK 290 6555 X+1/2,-Y+1/2,-Z+1/4 REMARK 290 7555 Y,X,-Z REMARK 290 8555 -Y,-X,-Z+1/2 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 58.01350 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 25.97900 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 25.97900 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 87.02025 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 25.97900 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 25.97900 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 29.00675 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 25.97900 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 25.97900 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 87.02025 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 25.97900 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 25.97900 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 29.00675 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 58.01350 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,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 2820 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 10020 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -117.0 KCAL/MOL 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 BIOMT1 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 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 GLY A 97 REMARK 465 GLY A 98 REMARK 465 SER A 99 REMARK 465 GLN A 100 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 GLU A 73 0.07 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 ZN A 103 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 17 NE2 REMARK 620 2 ASP A 24 OD1 95.7 REMARK 620 3 ASP A 24 OD2 149.4 55.2 REMARK 620 4 HIS A 86 NE2 108.8 128.7 86.9 REMARK 620 5 HIS A 90 NE2 109.4 102.8 88.4 109.8 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 102 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 62 OD1 REMARK 620 2 ASN A 64 OD1 79.8 REMARK 620 3 ASP A 66 OD1 81.9 80.2 REMARK 620 4 LYS A 68 O 83.3 156.5 81.4 REMARK 620 5 GLU A 73 OE1 113.7 125.2 151.0 76.7 REMARK 620 6 GLU A 73 OE2 97.2 75.4 155.4 123.1 51.0 REMARK 620 7 HOH A 306 O 161.9 93.4 80.4 97.8 83.9 97.3 REMARK 620 N 1 2 3 4 5 6 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: CAA REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: REGULATORY CA2+ BINDING SITE REMARK 800 REMARK 800 SITE_IDENTIFIER: ZNA REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: ZN2+ BINDING SITE REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 102 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 103 DBREF 2PSR A 1 100 UNP P31151 S10A7_HUMAN 1 100 SEQRES 1 A 100 SER ASN THR GLN ALA GLU ARG SER ILE ILE GLY MET ILE SEQRES 2 A 100 ASP MET PHE HIS LYS TYR THR ARG ARG ASP ASP LYS ILE SEQRES 3 A 100 ASP LYS PRO SER LEU LEU THR MET MET LYS GLU ASN PHE SEQRES 4 A 100 PRO ASN PHE LEU SER ALA CYS ASP LYS LYS GLY THR ASN SEQRES 5 A 100 TYR LEU ALA ASP VAL PHE GLU LYS LYS ASP LYS ASN GLU SEQRES 6 A 100 ASP LYS LYS ILE ASP PHE SER GLU PHE LEU SER LEU LEU SEQRES 7 A 100 GLY ASP ILE ALA THR ASP TYR HIS LYS GLN SER HIS GLY SEQRES 8 A 100 ALA ALA PRO CYS SER GLY GLY SER GLN HET CA A 102 1 HET ZN A 103 1 HETNAM CA CALCIUM ION HETNAM ZN ZINC ION FORMUL 2 CA CA 2+ FORMUL 3 ZN ZN 2+ FORMUL 4 HOH *106(H2 O) HELIX 1 A1 GLN A 4 LYS A 18 1 15 HELIX 2 A2 LYS A 28 PHE A 39 1 12 HELIX 3 A2' ASN A 41 LYS A 48 1 8 HELIX 4 A3 TYR A 53 LYS A 61 1 9 HELIX 5 A4 PHE A 71 HIS A 90 1 20 SHEET 1 A 2 ILE A 26 ASP A 27 0 SHEET 2 A 2 LYS A 68 ILE A 69 -1 N ILE A 69 O ILE A 26 SSBOND 1 CYS A 46 CYS A 95 1555 1555 2.03 LINK NE2 HIS A 17 ZN ZN A 103 7555 1555 1.91 LINK OD1 ASP A 24 ZN ZN A 103 7555 1555 2.15 LINK OD2 ASP A 24 ZN ZN A 103 7555 1555 2.49 LINK OD1 ASP A 62 CA CA A 102 1555 1555 2.42 LINK OD1 ASN A 64 CA CA A 102 1555 1555 2.19 LINK OD1 ASP A 66 CA CA A 102 1555 1555 2.45 LINK O LYS A 68 CA CA A 102 1555 1555 2.33 LINK OE1 GLU A 73 CA CA A 102 1555 1555 2.49 LINK OE2 GLU A 73 CA CA A 102 1555 1555 2.56 LINK NE2 HIS A 86 ZN ZN A 103 1555 1555 2.06 LINK NE2 HIS A 90 ZN ZN A 103 1555 1555 1.93 LINK CA CA A 102 O HOH A 306 1555 1555 2.23 SITE 1 CAA 5 ASP A 62 ASN A 64 ASP A 66 LYS A 68 SITE 2 CAA 5 GLU A 73 SITE 1 ZNA 4 HIS A 17 ASP A 24 HIS A 86 HIS A 90 SITE 1 AC1 6 ASP A 62 ASN A 64 ASP A 66 LYS A 68 SITE 2 AC1 6 GLU A 73 HOH A 306 SITE 1 AC2 4 HIS A 17 ASP A 24 HIS A 86 HIS A 90 CRYST1 51.958 51.958 116.027 90.00 90.00 90.00 P 43 21 2 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 0.019246 0.000000 0.000000 0.00000 SCALE2 0.000000 0.019246 0.000000 0.00000 SCALE3 0.000000 0.000000 0.008619 0.00000