HEADER HYDROLASE 15-JAN-26 10EM TITLE GH33 SIALIDASE FROM PARABACTEROIDES MERDAE COMPND MOL_ID: 1; COMPND 2 MOLECULE: EXO-ALPHA-SIALIDASE; COMPND 3 CHAIN: A; COMPND 4 EC: 3.2.1.18; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: PARABACTEROIDES MERDAE; SOURCE 3 ORGANISM_TAXID: 46503; SOURCE 4 GENE: CE91ST3_27110; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_PLASMID: PLIC-HIS KEYWDS GLYCOSIDE HYDROLASE, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR O.L.PLISKO,M.R.REDINBO REVDAT 1 21-OCT-26 10EM 0 JRNL AUTH O.L.MAURER,V.S.CHAPEL,J.J.SEKELA,J.TALBERT,S.TOWNSEND, JRNL AUTH 2 B.S.ZEMEL,G.D.WU,M.R.REDINBO JRNL TITL DISTINCT PROCESSING OF HUMAN MILK OLIGOSACCHARIDES BY EARLY JRNL TITL 2 LIFE HUMAN GUT MICROBIAL SIALIDASES JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 2.07 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.21_5207 REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : GEOSTD + MONOMER LIBRARY + CDL V1.2 REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.07 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 55.27 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.340 REMARK 3 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 3 NUMBER OF REFLECTIONS : 25886 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.153 REMARK 3 R VALUE (WORKING SET) : 0.150 REMARK 3 FREE R VALUE : 0.187 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 7.730 REMARK 3 FREE R VALUE TEST SET COUNT : 2002 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 55.2700 - 4.9900 1.00 1772 152 0.1619 0.1563 REMARK 3 2 4.9800 - 3.9600 1.00 1743 143 0.1237 0.1616 REMARK 3 3 3.9600 - 3.4600 1.00 1699 141 0.1378 0.1790 REMARK 3 4 3.4600 - 3.1400 1.00 1712 146 0.1498 0.1777 REMARK 3 5 3.1400 - 2.9200 1.00 1723 142 0.1537 0.1832 REMARK 3 6 2.9200 - 2.7500 1.00 1708 136 0.1602 0.2136 REMARK 3 7 2.7500 - 2.6100 1.00 1687 143 0.1730 0.1991 REMARK 3 8 2.6100 - 2.4900 1.00 1703 144 0.1573 0.2203 REMARK 3 9 2.4900 - 2.4000 1.00 1681 141 0.1574 0.2036 REMARK 3 10 2.4000 - 2.3200 1.00 1717 143 0.1566 0.1938 REMARK 3 11 2.3200 - 2.2400 1.00 1679 144 0.1522 0.2095 REMARK 3 12 2.2400 - 2.1800 1.00 1695 141 0.1478 0.2119 REMARK 3 13 2.1800 - 2.1200 1.00 1692 143 0.1581 0.2038 REMARK 3 14 2.1200 - 2.0700 1.00 1673 143 0.1592 0.1962 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.10 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.145 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 17.684 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 16.97 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 18.77 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 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.007 2800 REMARK 3 ANGLE : 1.016 3801 REMARK 3 CHIRALITY : 0.065 415 REMARK 3 PLANARITY : 0.005 492 REMARK 3 DIHEDRAL : 13.121 1022 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 10EM COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 23-FEB-26. REMARK 100 THE DEPOSITION ID IS D_1000304243. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-JUL-24 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS-II REMARK 200 BEAMLINE : 17-ID-2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER X 16M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : AUTOPROC REMARK 200 DATA SCALING SOFTWARE : AIMLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 25900 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.070 REMARK 200 RESOLUTION RANGE LOW (A) : 110.690 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 2.000 REMARK 200 R MERGE (I) : 0.04300 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 13.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.07 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.14 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 2.00 REMARK 200 R MERGE FOR SHELL (I) : 0.15600 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 4.500 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 51.02 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.51 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2 M NACL, 0.1 M TRIS:HCL, 25% PEG REMARK 280 3350, PH 8.5, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 62 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+2/3 REMARK 290 3555 -X+Y,-X,Z+1/3 REMARK 290 4555 -X,-Y,Z REMARK 290 5555 Y,-X+Y,Z+2/3 REMARK 290 6555 X-Y,X,Z+1/3 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 30.06267 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 15.03133 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 0.00000 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 30.06267 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 15.03133 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 HIS A 1 REMARK 465 HIS A 2 REMARK 465 HIS A 3 REMARK 465 HIS A 4 REMARK 465 HIS A 5 REMARK 465 HIS A 6 REMARK 465 SER A 7 REMARK 465 SER A 8 REMARK 465 GLY A 9 REMARK 465 VAL A 10 REMARK 465 ASP A 11 REMARK 465 LEU A 12 REMARK 465 GLY A 13 REMARK 465 THR A 14 REMARK 465 GLU A 15 REMARK 465 ASN A 16 REMARK 465 LEU A 17 REMARK 465 TYR A 18 REMARK 465 PHE A 19 REMARK 465 GLN A 20 REMARK 465 SER A 21 REMARK 465 ASN A 22 REMARK 465 GLN A 23 REMARK 465 LYS A 376 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 LYS A 83 CG CD CE NZ REMARK 470 LYS A 183 CG CD CE NZ REMARK 470 LYS A 184 CG CD CE NZ REMARK 470 LYS A 291 CG CD CE NZ REMARK 470 LYS A 292 CG CD CE NZ REMARK 470 LYS A 294 CG CD CE NZ REMARK 470 LYS A 309 CG CD CE NZ REMARK 470 ARG A 345 CG CD NE CZ NH1 NH2 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 ILE A 43 65.75 67.32 REMARK 500 ASN A 63 -57.27 77.21 REMARK 500 ASP A 94 58.72 -114.49 REMARK 500 SER A 137 -160.47 -115.39 REMARK 500 THR A 168 -91.87 -111.49 REMARK 500 CYS A 175 172.42 169.65 REMARK 500 ASN A 229 -136.90 -136.92 REMARK 500 LYS A 254 47.91 -88.89 REMARK 500 ILE A 281 85.08 68.66 REMARK 500 ASP A 308 -5.53 -142.61 REMARK 500 ALA A 337 -115.15 -133.59 REMARK 500 ASN A 346 53.57 -99.62 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 A 875 DISTANCE = 7.02 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 NA A 401 NA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 SER A 306 OG REMARK 620 2 GLU A 311 OE2 119.2 REMARK 620 3 HOH A 539 O 112.6 102.7 REMARK 620 N 1 2 DBREF1 10EM A 23 376 UNP A0AA37NJA5_9BACT DBREF2 10EM A A0AA37NJA5 10 363 SEQADV 10EM HIS A 1 UNP A0AA37NJA EXPRESSION TAG SEQADV 10EM HIS A 2 UNP A0AA37NJA EXPRESSION TAG SEQADV 10EM HIS A 3 UNP A0AA37NJA EXPRESSION TAG SEQADV 10EM HIS A 4 UNP A0AA37NJA EXPRESSION TAG SEQADV 10EM HIS A 5 UNP A0AA37NJA EXPRESSION TAG SEQADV 10EM HIS A 6 UNP A0AA37NJA EXPRESSION TAG SEQADV 10EM SER A 7 UNP A0AA37NJA EXPRESSION TAG SEQADV 10EM SER A 8 UNP A0AA37NJA EXPRESSION TAG SEQADV 10EM GLY A 9 UNP A0AA37NJA EXPRESSION TAG SEQADV 10EM VAL A 10 UNP A0AA37NJA EXPRESSION TAG SEQADV 10EM ASP A 11 UNP A0AA37NJA EXPRESSION TAG SEQADV 10EM LEU A 12 UNP A0AA37NJA EXPRESSION TAG SEQADV 10EM GLY A 13 UNP A0AA37NJA EXPRESSION TAG SEQADV 10EM THR A 14 UNP A0AA37NJA EXPRESSION TAG SEQADV 10EM GLU A 15 UNP A0AA37NJA EXPRESSION TAG SEQADV 10EM ASN A 16 UNP A0AA37NJA EXPRESSION TAG SEQADV 10EM LEU A 17 UNP A0AA37NJA EXPRESSION TAG SEQADV 10EM TYR A 18 UNP A0AA37NJA EXPRESSION TAG SEQADV 10EM PHE A 19 UNP A0AA37NJA EXPRESSION TAG SEQADV 10EM GLN A 20 UNP A0AA37NJA EXPRESSION TAG SEQADV 10EM SER A 21 UNP A0AA37NJA EXPRESSION TAG SEQADV 10EM ASN A 22 UNP A0AA37NJA EXPRESSION TAG SEQRES 1 A 376 HIS HIS HIS HIS HIS HIS SER SER GLY VAL ASP LEU GLY SEQRES 2 A 376 THR GLU ASN LEU TYR PHE GLN SER ASN GLN THR ASN THR SEQRES 3 A 376 THR THR ASP ILE TYR LEU LYS SER GLN ASP GLY TYR ALA SEQRES 4 A 376 CYS PHE ARG ILE PRO ALA ILE VAL LYS SER LYS ALA GLY SEQRES 5 A 376 THR LEU LEU ALA PHE ALA GLU ALA ARG LYS ASN SER CYS SEQRES 6 A 376 SER ASP THR GLY ASN ILE ASP LEU VAL VAL LYS ARG SER SEQRES 7 A 376 GLU ASP GLY GLY LYS THR TRP SER ARG ILE ILE THR VAL SEQRES 8 A 376 TRP ASP ASP GLY ASP ASN VAL CYS GLY ASN PRO SER PRO SEQRES 9 A 376 ILE VAL ASP GLN GLU THR GLY ARG ILE ILE LEU VAL SER SEQRES 10 A 376 CYS TRP ASN LEU GLY GLU ASP HIS GLU LYS GLN ILE ILE SEQRES 11 A 376 ASP LYS THR SER LYS ASP SER ARG ARG VAL TYR VAL LEU SEQRES 12 A 376 TYR SER ASP ASN ASP GLY LYS SER TRP SER THR PRO LYS SEQRES 13 A 376 GLU ILE THR SER SER VAL LYS HIS PRO ASP TRP THR TRP SEQRES 14 A 376 TYR ALA THR GLY PRO CYS HIS GLY ILE GLN LEU GLN GLY SEQRES 15 A 376 LYS LYS ASN LYS GLY ARG LEU VAL VAL ALA ALA ASN HIS SEQRES 16 A 376 MET VAL ALA GLY THR LYS THR TYR HIS SER GLN LEU ILE SEQRES 17 A 376 TYR SER ASP ASP LYS GLY GLU THR TRP LYS LEU GLY GLY SEQRES 18 A 376 ILE VAL ASN GLU HIS GLY GLY ASN GLU SER SER VAL VAL SEQRES 19 A 376 GLU LEU LYS ASN GLY TYR LEU MET LEU ASN MET ARG ASN SEQRES 20 A 376 TYR ASN ARG GLU GLU SER LYS THR ARG SER TYR ALA ILE SEQRES 21 A 376 SER LYS ASP GLY GLY GLU THR VAL SER GLN MET SER TYR SEQRES 22 A 376 LEU PRO GLU LEU ILE GLU PRO ILE CYS GLN GLY SER THR SEQRES 23 A 376 LEU ASN TYR MET LYS LYS GLY LYS ILE SER ASN ASN ILE SEQRES 24 A 376 LEU PHE SER ASN PRO ALA SER THR ASP LYS ARG GLU LYS SEQRES 25 A 376 MET THR ILE LYS LEU SER GLU ASN ASN GLY LYS THR TRP SEQRES 26 A 376 PRO TYR ALA TYR GLN VAL TYR SER GLY PRO SER ALA TYR SEQRES 27 A 376 SER ASP LEU THR ASN LEU ARG ASN GLY ASN ILE GLY LEU SEQRES 28 A 376 LEU TYR GLU TYR GLY ILE ASN ASN PRO TYR GLU LYS ILE SEQRES 29 A 376 GLY PHE ILE ILE ILE PRO PHE GLU GLN LEU LYS LYS HET NA A 401 1 HETNAM NA SODIUM ION FORMUL 2 NA NA 1+ FORMUL 3 HOH *375(H2 O) HELIX 1 AA1 HIS A 125 ASP A 131 1 7 HELIX 2 AA2 ILE A 158 LYS A 163 1 6 HELIX 3 AA3 GLY A 182 LYS A 186 5 5 HELIX 4 AA4 GLU A 372 LYS A 375 5 4 SHEET 1 AA1 7 THR A 28 LEU A 32 0 SHEET 2 AA1 7 LYS A 363 PRO A 370 -1 O ILE A 364 N ILE A 30 SHEET 3 AA1 7 ASN A 348 TYR A 355 -1 N ILE A 349 O ILE A 369 SHEET 4 AA1 7 TYR A 327 ASN A 343 -1 N TYR A 338 O GLU A 354 SHEET 5 AA1 7 GLU A 311 SER A 318 -1 N ILE A 315 O TYR A 329 SHEET 6 AA1 7 ILE A 299 PRO A 304 -1 N PHE A 301 O LYS A 316 SHEET 7 AA1 7 SER A 285 ASN A 288 -1 N LEU A 287 O LEU A 300 SHEET 1 AA2 4 CYS A 40 LYS A 48 0 SHEET 2 AA2 4 LEU A 54 ARG A 61 -1 O PHE A 57 N ALA A 45 SHEET 3 AA2 4 ILE A 71 SER A 78 -1 O ASP A 72 N ALA A 60 SHEET 4 AA2 4 ILE A 89 TRP A 92 -1 O ILE A 89 N VAL A 75 SHEET 1 AA3 4 VAL A 98 VAL A 106 0 SHEET 2 AA3 4 ILE A 113 ASN A 120 -1 O ILE A 114 N ILE A 105 SHEET 3 AA3 4 ARG A 139 SER A 145 -1 O TYR A 141 N SER A 117 SHEET 4 AA3 4 LYS A 156 GLU A 157 -1 O LYS A 156 N VAL A 142 SHEET 1 AA4 3 TRP A 167 THR A 172 0 SHEET 2 AA4 3 LEU A 189 VAL A 197 -1 O MET A 196 N THR A 168 SHEET 3 AA4 3 ILE A 178 GLN A 179 -1 N ILE A 178 O VAL A 190 SHEET 1 AA5 4 TRP A 167 THR A 172 0 SHEET 2 AA5 4 LEU A 189 VAL A 197 -1 O MET A 196 N THR A 168 SHEET 3 AA5 4 TYR A 203 SER A 210 -1 O ILE A 208 N VAL A 191 SHEET 4 AA5 4 LYS A 218 ILE A 222 -1 O GLY A 220 N LEU A 207 SHEET 1 AA6 4 GLY A 228 GLU A 235 0 SHEET 2 AA6 4 LEU A 241 ASN A 247 -1 O ASN A 244 N SER A 232 SHEET 3 AA6 4 THR A 255 SER A 261 -1 O ALA A 259 N LEU A 243 SHEET 4 AA6 4 SER A 272 ILE A 278 -1 O SER A 272 N TYR A 258 SSBOND 1 CYS A 40 CYS A 65 1555 1555 2.05 LINK OG SER A 306 NA NA A 401 1555 1555 2.69 LINK OE2 GLU A 311 NA NA A 401 1555 1555 2.54 LINK NA NA A 401 O HOH A 539 1555 1555 2.56 CISPEP 1 GLY A 173 PRO A 174 0 5.98 CRYST1 127.630 127.630 45.094 90.00 90.00 120.00 P 62 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 0.007835 0.004524 0.000000 0.00000 SCALE2 0.000000 0.009047 0.000000 0.00000 SCALE3 0.000000 0.000000 0.022176 0.00000 CONECT 131 319 CONECT 319 131 CONECT 2187 2743 CONECT 2227 2743 CONECT 2743 2187 2227 2782 CONECT 2782 2743 MASTER 307 0 1 4 26 0 0 6 3111 1 6 29 END