HEADER TRANSFERASE 09-APR-25 9O50 TITLE ROOM-TEMPERATURE X-RAY STRUCTURE OF THERMUS THERMOPHILUS SHMT IN TITLE 2 COMPLEX WITH TETRAHYDROFOLATE (THF) COMPND MOL_ID: 1; COMPND 2 MOLECULE: SERINE HYDROXYMETHYLTRANSFERASE; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: SHMT,SERINE METHYLASE; COMPND 5 EC: 2.1.2.1; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: THERMUS THERMOPHILUS; SOURCE 3 ORGANISM_TAXID: 274; SOURCE 4 GENE: GLYA, TTHAA11_16450; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS PLP-DEPENDENT ENZYME, SUBSTRATE COMPLEX, INTERNAL ALDIMINE, KEYWDS 2 TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR A.KOVALEVSKY,V.N.DRAGO,R.S.PHILLIPS REVDAT 1 04-FEB-26 9O50 0 JRNL AUTH V.N.DRAGO,M.P.BLAKELEY,R.S.PHILLIPS,A.KOVALEVSKY JRNL TITL NEUTRON DIFFRACTION REVEALS PROTONATION STATES IN JRNL TITL 2 PYRIDOXAL-5'-PHOSPHATE-FREE AND GLYCINE EXTERNAL JRNL TITL 3 ALDIMINE-BOUND SERINE HYDROXYMETHYLTRANSFERASE. JRNL REF FEBS J. V. 293 582 2026 JRNL REFN ISSN 1742-464X JRNL PMID 40915980 JRNL DOI 10.1111/FEBS.70260 REMARK 2 REMARK 2 RESOLUTION. 1.80 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (1.19.2_4158: ???) 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 : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 29.45 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.350 REMARK 3 COMPLETENESS FOR RANGE (%) : 98.7 REMARK 3 NUMBER OF REFLECTIONS : 84322 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.145 REMARK 3 R VALUE (WORKING SET) : 0.144 REMARK 3 FREE R VALUE : 0.175 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.990 REMARK 3 FREE R VALUE TEST SET COUNT : 4210 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 29.4500 - 5.5800 0.93 2619 130 0.2203 0.2517 REMARK 3 2 5.5800 - 4.4300 1.00 2757 131 0.1242 0.1333 REMARK 3 3 4.4300 - 3.8800 1.00 2721 164 0.1072 0.1311 REMARK 3 4 3.8800 - 3.5200 1.00 2684 156 0.1062 0.1205 REMARK 3 5 3.5200 - 3.2700 1.00 2735 126 0.1259 0.1589 REMARK 3 6 3.2700 - 3.0800 1.00 2713 138 0.1256 0.1596 REMARK 3 7 3.0800 - 2.9200 1.00 2721 153 0.1313 0.1468 REMARK 3 8 2.9200 - 2.8000 1.00 2685 143 0.1329 0.1758 REMARK 3 9 2.8000 - 2.6900 1.00 2711 128 0.1357 0.1603 REMARK 3 10 2.6900 - 2.6000 1.00 2715 167 0.1351 0.1725 REMARK 3 11 2.6000 - 2.5100 1.00 2673 161 0.1357 0.1924 REMARK 3 12 2.5100 - 2.4400 1.00 2683 132 0.1362 0.1494 REMARK 3 13 2.4400 - 2.3800 1.00 2709 146 0.1334 0.1734 REMARK 3 14 2.3800 - 2.3200 1.00 2730 134 0.1365 0.1936 REMARK 3 15 2.3200 - 2.2700 0.99 2620 128 0.1273 0.1812 REMARK 3 16 2.2700 - 2.2200 0.99 2698 151 0.1326 0.1619 REMARK 3 17 2.2200 - 2.1800 0.99 2639 141 0.1349 0.1604 REMARK 3 18 2.1800 - 2.1300 0.99 2697 124 0.1475 0.1975 REMARK 3 19 2.1300 - 2.1000 0.98 2665 129 0.1488 0.1793 REMARK 3 20 2.1000 - 2.0600 0.99 2697 128 0.1589 0.1933 REMARK 3 21 2.0600 - 2.0300 0.98 2640 115 0.1602 0.2026 REMARK 3 22 2.0300 - 2.0000 0.99 2677 139 0.1633 0.2135 REMARK 3 23 2.0000 - 1.9700 0.98 2612 150 0.1610 0.2180 REMARK 3 24 1.9700 - 1.9400 0.98 2639 175 0.1674 0.1921 REMARK 3 25 1.9400 - 1.9100 0.98 2629 132 0.1756 0.2299 REMARK 3 26 1.9100 - 1.8900 0.98 2630 144 0.1906 0.2194 REMARK 3 27 1.8900 - 1.8600 0.98 2630 147 0.2027 0.2458 REMARK 3 28 1.8600 - 1.8400 0.96 2577 123 0.2220 0.2711 REMARK 3 29 1.8400 - 1.8200 0.97 2627 134 0.2368 0.2747 REMARK 3 30 1.8200 - 1.8000 0.96 2579 141 0.2534 0.3075 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.11 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) : 0.170 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 17.000 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 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 : 0.013 6515 REMARK 3 ANGLE : 1.228 8841 REMARK 3 CHIRALITY : 0.088 964 REMARK 3 PLANARITY : 0.013 1167 REMARK 3 DIHEDRAL : 8.327 946 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 9O50 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 10-APR-25. REMARK 100 THE DEPOSITION ID IS D_1000294861. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-MAR-24 REMARK 200 TEMPERATURE (KELVIN) : 293 REMARK 200 PH : 5.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 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 MICROMAX-007 HF REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.54 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER R 4M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : CRYSALISPRO REMARK 200 DATA SCALING SOFTWARE : CRYSALISPRO REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 84515 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.800 REMARK 200 RESOLUTION RANGE LOW (A) : 95.260 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.9 REMARK 200 DATA REDUNDANCY : 3.100 REMARK 200 R MERGE (I) : 0.09200 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 16.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.80 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.87 REMARK 200 COMPLETENESS FOR SHELL (%) : 96.6 REMARK 200 DATA REDUNDANCY IN SHELL : 1.90 REMARK 200 R MERGE FOR SHELL (I) : 0.36900 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.100 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 (%): 53.06 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.62 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 40 MM SODIUM ACETATE PH 5.5, 1M REMARK 280 AMMONIUM SULFATE AND 0.5 M LITHIUM SULFATE, VAPOR DIFFUSION, REMARK 280 SITTING DROP, TEMPERATURE 289K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 41.72350 REMARK 290 SMTRY3 2 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: 9110 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 25790 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -87.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, 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 SER A 3 REMARK 465 THR A 4 REMARK 465 LEU A 5 REMARK 465 SER B 3 REMARK 465 THR B 4 REMARK 465 LEU B 5 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 ALA A 52 44.94 -143.12 REMARK 500 ALA A 173 54.82 -146.95 REMARK 500 LLP A 226 -131.62 81.84 REMARK 500 ASN A 311 -143.77 -135.60 REMARK 500 THR A 354 165.57 66.65 REMARK 500 ALA B 58 58.59 -147.66 REMARK 500 ALA B 173 41.10 -147.50 REMARK 500 LLP B 226 -134.89 80.53 REMARK 500 ASN B 311 -144.14 -133.89 REMARK 500 THR B 354 164.82 67.48 REMARK 500 REMARK 500 REMARK: NULL DBREF1 9O50 A 3 407 UNP A0AAD1KUU5_THETH DBREF2 9O50 A A0AAD1KUU5 3 407 DBREF1 9O50 B 3 407 UNP A0AAD1KUU5_THETH DBREF2 9O50 B A0AAD1KUU5 3 407 SEQRES 1 A 405 SER THR LEU LYS ARG ASP GLU ALA LEU PHE GLU LEU ILE SEQRES 2 A 405 ALA LEU GLU GLU LYS ARG GLN ARG GLU GLY LEU GLU LEU SEQRES 3 A 405 ILE ALA SER GLU ASN PHE VAL SER LYS GLN VAL ARG GLU SEQRES 4 A 405 ALA VAL GLY SER VAL LEU THR ASN LYS TYR ALA GLU GLY SEQRES 5 A 405 TYR PRO GLY ALA ARG TYR TYR GLY GLY CYS GLU VAL ILE SEQRES 6 A 405 ASP ARG VAL GLU SER LEU ALA ILE GLU ARG ALA LYS ALA SEQRES 7 A 405 LEU PHE GLY ALA ALA TRP ALA ASN VAL GLN PRO HIS SER SEQRES 8 A 405 GLY SER GLN ALA ASN MET ALA VAL TYR MET ALA LEU MET SEQRES 9 A 405 GLU PRO GLY ASP THR LEU MET GLY MET ASP LEU ALA ALA SEQRES 10 A 405 GLY GLY HIS LEU THR HIS GLY SER ARG VAL ASN PHE SER SEQRES 11 A 405 GLY LYS LEU TYR LYS VAL VAL SER TYR GLY VAL ARG PRO SEQRES 12 A 405 ASP THR GLU LEU ILE ASP LEU GLU GLU VAL ARG ARG LEU SEQRES 13 A 405 ALA LEU GLU HIS ARG PRO LYS VAL ILE VAL ALA GLY ALA SEQRES 14 A 405 SER ALA TYR PRO ARG PHE TRP ASP PHE LYS ALA PHE ARG SEQRES 15 A 405 GLU ILE ALA ASP GLU VAL GLY ALA TYR LEU VAL VAL ASP SEQRES 16 A 405 MET ALA HIS PHE ALA GLY LEU VAL ALA ALA GLY LEU HIS SEQRES 17 A 405 PRO ASN PRO LEU PRO TYR ALA HIS VAL VAL THR SER THR SEQRES 18 A 405 THR HIS LLP THR LEU ARG GLY PRO ARG GLY GLY LEU ILE SEQRES 19 A 405 LEU SER ASN ASP PRO GLU LEU GLY LYS ARG ILE ASP LYS SEQRES 20 A 405 LEU ILE PHE PRO GLY ILE GLN GLY GLY PRO LEU GLU HIS SEQRES 21 A 405 VAL ILE ALA GLY LYS ALA VAL ALA PHE PHE GLU ALA LEU SEQRES 22 A 405 GLN PRO GLU PHE LYS GLU TYR SER ARG LEU VAL VAL GLU SEQRES 23 A 405 ASN ALA LYS ARG LEU ALA GLU GLU LEU ALA ARG ARG GLY SEQRES 24 A 405 TYR ARG ILE VAL THR GLY GLY THR ASP ASN HIS LEU PHE SEQRES 25 A 405 LEU VAL ASP LEU ARG PRO LYS GLY LEU THR GLY LYS GLU SEQRES 26 A 405 ALA GLU GLU ARG LEU ASP ALA VAL GLY ILE THR VAL ASN SEQRES 27 A 405 LYS ASN ALA ILE PRO PHE ASP PRO LYS PRO PRO ARG VAL SEQRES 28 A 405 THR SER GLY ILE ARG ILE GLY THR PRO ALA ILE THR THR SEQRES 29 A 405 ARG GLY PHE THR PRO GLU GLU MET PRO LEU VAL ALA GLU SEQRES 30 A 405 LEU ILE ASP ARG ALA LEU LEU GLU GLY PRO SER GLU ALA SEQRES 31 A 405 LEU ARG GLU GLU VAL ARG ARG LEU ALA LEU ALA HIS PRO SEQRES 32 A 405 MET PRO SEQRES 1 B 405 SER THR LEU LYS ARG ASP GLU ALA LEU PHE GLU LEU ILE SEQRES 2 B 405 ALA LEU GLU GLU LYS ARG GLN ARG GLU GLY LEU GLU LEU SEQRES 3 B 405 ILE ALA SER GLU ASN PHE VAL SER LYS GLN VAL ARG GLU SEQRES 4 B 405 ALA VAL GLY SER VAL LEU THR ASN LYS TYR ALA GLU GLY SEQRES 5 B 405 TYR PRO GLY ALA ARG TYR TYR GLY GLY CYS GLU VAL ILE SEQRES 6 B 405 ASP ARG VAL GLU SER LEU ALA ILE GLU ARG ALA LYS ALA SEQRES 7 B 405 LEU PHE GLY ALA ALA TRP ALA ASN VAL GLN PRO HIS SER SEQRES 8 B 405 GLY SER GLN ALA ASN MET ALA VAL TYR MET ALA LEU MET SEQRES 9 B 405 GLU PRO GLY ASP THR LEU MET GLY MET ASP LEU ALA ALA SEQRES 10 B 405 GLY GLY HIS LEU THR HIS GLY SER ARG VAL ASN PHE SER SEQRES 11 B 405 GLY LYS LEU TYR LYS VAL VAL SER TYR GLY VAL ARG PRO SEQRES 12 B 405 ASP THR GLU LEU ILE ASP LEU GLU GLU VAL ARG ARG LEU SEQRES 13 B 405 ALA LEU GLU HIS ARG PRO LYS VAL ILE VAL ALA GLY ALA SEQRES 14 B 405 SER ALA TYR PRO ARG PHE TRP ASP PHE LYS ALA PHE ARG SEQRES 15 B 405 GLU ILE ALA ASP GLU VAL GLY ALA TYR LEU VAL VAL ASP SEQRES 16 B 405 MET ALA HIS PHE ALA GLY LEU VAL ALA ALA GLY LEU HIS SEQRES 17 B 405 PRO ASN PRO LEU PRO TYR ALA HIS VAL VAL THR SER THR SEQRES 18 B 405 THR HIS LLP THR LEU ARG GLY PRO ARG GLY GLY LEU ILE SEQRES 19 B 405 LEU SER ASN ASP PRO GLU LEU GLY LYS ARG ILE ASP LYS SEQRES 20 B 405 LEU ILE PHE PRO GLY ILE GLN GLY GLY PRO LEU GLU HIS SEQRES 21 B 405 VAL ILE ALA GLY LYS ALA VAL ALA PHE PHE GLU ALA LEU SEQRES 22 B 405 GLN PRO GLU PHE LYS GLU TYR SER ARG LEU VAL VAL GLU SEQRES 23 B 405 ASN ALA LYS ARG LEU ALA GLU GLU LEU ALA ARG ARG GLY SEQRES 24 B 405 TYR ARG ILE VAL THR GLY GLY THR ASP ASN HIS LEU PHE SEQRES 25 B 405 LEU VAL ASP LEU ARG PRO LYS GLY LEU THR GLY LYS GLU SEQRES 26 B 405 ALA GLU GLU ARG LEU ASP ALA VAL GLY ILE THR VAL ASN SEQRES 27 B 405 LYS ASN ALA ILE PRO PHE ASP PRO LYS PRO PRO ARG VAL SEQRES 28 B 405 THR SER GLY ILE ARG ILE GLY THR PRO ALA ILE THR THR SEQRES 29 B 405 ARG GLY PHE THR PRO GLU GLU MET PRO LEU VAL ALA GLU SEQRES 30 B 405 LEU ILE ASP ARG ALA LEU LEU GLU GLY PRO SER GLU ALA SEQRES 31 B 405 LEU ARG GLU GLU VAL ARG ARG LEU ALA LEU ALA HIS PRO SEQRES 32 B 405 MET PRO MODRES 9O50 LLP A 226 LYS MODIFIED RESIDUE MODRES 9O50 LLP B 226 LYS MODIFIED RESIDUE HET LLP A 226 24 HET LLP B 226 24 HET SO4 A 501 5 HET SO4 A 502 5 HET THG B 501 32 HET SO4 B 502 5 HETNAM LLP (2S)-2-AMINO-6-[[3-HYDROXY-2-METHYL-5- HETNAM 2 LLP (PHOSPHONOOXYMETHYL)PYRIDIN-4- HETNAM 3 LLP YL]METHYLIDENEAMINO]HEXANOIC ACID HETNAM SO4 SULFATE ION HETNAM THG (6S)-5,6,7,8-TETRAHYDROFOLATE HETSYN LLP N'-PYRIDOXYL-LYSINE-5'-MONOPHOSPHATE FORMUL 1 LLP 2(C14 H22 N3 O7 P) FORMUL 3 SO4 3(O4 S 2-) FORMUL 5 THG C19 H23 N7 O6 FORMUL 7 HOH *449(H2 O) HELIX 1 AA1 ASP A 8 GLY A 25 1 18 HELIX 2 AA2 SER A 36 GLY A 44 1 9 HELIX 3 AA3 SER A 45 LYS A 50 5 6 HELIX 4 AA4 CYS A 64 GLY A 83 1 20 HELIX 5 AA5 SER A 93 MET A 106 1 14 HELIX 6 AA6 LEU A 117 GLY A 120 5 4 HELIX 7 AA7 HIS A 122 GLY A 126 5 5 HELIX 8 AA8 ASN A 130 TYR A 136 1 7 HELIX 9 AA9 ASP A 151 ARG A 163 1 13 HELIX 10 AB1 ASP A 179 GLY A 191 1 13 HELIX 11 AB2 PHE A 201 ALA A 207 1 7 HELIX 12 AB3 HIS A 225 ARG A 229 5 5 HELIX 13 AB4 ASP A 240 PHE A 252 1 13 HELIX 14 AB5 LEU A 260 LEU A 275 1 16 HELIX 15 AB6 GLN A 276 ARG A 300 1 25 HELIX 16 AB7 THR A 306 GLY A 308 5 3 HELIX 17 AB8 ARG A 319 GLY A 322 5 4 HELIX 18 AB9 THR A 324 ALA A 334 1 11 HELIX 19 AC1 THR A 361 ARG A 367 1 7 HELIX 20 AC2 THR A 370 GLU A 372 5 3 HELIX 21 AC3 GLU A 373 GLY A 388 1 16 HELIX 22 AC4 SER A 390 ALA A 403 1 14 HELIX 23 AC5 ASP B 8 GLY B 25 1 18 HELIX 24 AC6 SER B 36 GLY B 44 1 9 HELIX 25 AC7 SER B 45 LYS B 50 5 6 HELIX 26 AC8 CYS B 64 GLY B 83 1 20 HELIX 27 AC9 SER B 93 MET B 106 1 14 HELIX 28 AD1 HIS B 122 GLY B 126 5 5 HELIX 29 AD2 ASN B 130 TYR B 136 1 7 HELIX 30 AD3 ASP B 151 ARG B 163 1 13 HELIX 31 AD4 ASP B 179 GLY B 191 1 13 HELIX 32 AD5 PHE B 201 ALA B 207 1 7 HELIX 33 AD6 HIS B 225 ARG B 229 5 5 HELIX 34 AD7 ASP B 240 PHE B 252 1 13 HELIX 35 AD8 LEU B 260 LEU B 275 1 16 HELIX 36 AD9 GLN B 276 ARG B 299 1 24 HELIX 37 AE1 THR B 306 GLY B 308 5 3 HELIX 38 AE2 ARG B 319 GLY B 322 5 4 HELIX 39 AE3 THR B 324 ALA B 334 1 11 HELIX 40 AE4 THR B 361 ARG B 367 1 7 HELIX 41 AE5 THR B 370 GLU B 372 5 3 HELIX 42 AE6 GLU B 373 GLY B 388 1 16 HELIX 43 AE7 SER B 390 ALA B 403 1 14 SHEET 1 AA1 2 LEU A 26 GLU A 27 0 SHEET 2 AA1 2 ILE A 337 THR A 338 1 O THR A 338 N LEU A 26 SHEET 1 AA2 2 GLY A 54 TYR A 55 0 SHEET 2 AA2 2 ALA A 58 ARG A 59 -1 O ALA A 58 N TYR A 55 SHEET 1 AA3 7 TRP A 86 ASN A 88 0 SHEET 2 AA3 7 GLY A 234 SER A 238 -1 O ILE A 236 N ASN A 88 SHEET 3 AA3 7 VAL A 219 THR A 223 -1 N VAL A 220 O LEU A 237 SHEET 4 AA3 7 TYR A 193 ASP A 197 1 N VAL A 196 O THR A 221 SHEET 5 AA3 7 VAL A 166 ALA A 169 1 N ILE A 167 O TYR A 193 SHEET 6 AA3 7 THR A 111 MET A 115 1 N MET A 113 O VAL A 168 SHEET 7 AA3 7 LYS A 137 TYR A 141 1 O LYS A 137 N LEU A 112 SHEET 1 AA4 4 ARG A 303 ILE A 304 0 SHEET 2 AA4 4 LEU A 313 ASP A 317 -1 O ASP A 317 N ARG A 303 SHEET 3 AA4 4 GLY A 356 GLY A 360 -1 O ILE A 357 N VAL A 316 SHEET 4 AA4 4 ASN A 340 LYS A 341 -1 N ASN A 340 O ARG A 358 SHEET 1 AA5 2 LEU B 26 GLU B 27 0 SHEET 2 AA5 2 ILE B 337 THR B 338 1 O THR B 338 N LEU B 26 SHEET 1 AA6 2 GLY B 54 TYR B 55 0 SHEET 2 AA6 2 ALA B 58 ARG B 59 -1 O ALA B 58 N TYR B 55 SHEET 1 AA7 7 TRP B 86 ASN B 88 0 SHEET 2 AA7 7 GLY B 234 SER B 238 -1 O ILE B 236 N ASN B 88 SHEET 3 AA7 7 VAL B 219 THR B 223 -1 N VAL B 220 O LEU B 237 SHEET 4 AA7 7 TYR B 193 ASP B 197 1 N VAL B 196 O THR B 221 SHEET 5 AA7 7 VAL B 166 ALA B 169 1 N ALA B 169 O ASP B 197 SHEET 6 AA7 7 THR B 111 MET B 115 1 N MET B 113 O VAL B 168 SHEET 7 AA7 7 LYS B 137 TYR B 141 1 O LYS B 137 N LEU B 112 SHEET 1 AA8 4 ARG B 303 ILE B 304 0 SHEET 2 AA8 4 LEU B 313 ASP B 317 -1 O ASP B 317 N ARG B 303 SHEET 3 AA8 4 GLY B 356 GLY B 360 -1 O ILE B 359 N PHE B 314 SHEET 4 AA8 4 ASN B 340 ASN B 342 -1 N ASN B 342 O GLY B 356 LINK C HIS A 225 N LLP A 226 1555 1555 1.33 LINK C LLP A 226 N THR A 227 1555 1555 1.34 LINK C HIS B 225 N LLP B 226 1555 1555 1.30 LINK C LLP B 226 N THR B 227 1555 1555 1.34 CISPEP 1 PHE A 252 PRO A 253 0 8.63 CISPEP 2 PHE B 252 PRO B 253 0 9.37 CRYST1 58.918 83.447 95.294 90.00 91.62 90.00 P 1 21 1 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 0.016973 0.000000 0.000479 0.00000 SCALE2 0.000000 0.011984 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010498 0.00000 CONECT 1721 1744 CONECT 1729 1730 1737 CONECT 1730 1729 1731 1732 CONECT 1731 1730 CONECT 1732 1730 1733 1734 CONECT 1733 1732 CONECT 1734 1732 1735 1736 CONECT 1735 1734 1750 CONECT 1736 1734 1737 1738 CONECT 1737 1729 1736 CONECT 1738 1736 1739 CONECT 1739 1738 1740 CONECT 1740 1739 1741 1742 1743 CONECT 1741 1740 CONECT 1742 1740 CONECT 1743 1740 CONECT 1744 1721 1745 CONECT 1745 1744 1746 1751 CONECT 1746 1745 1747 CONECT 1747 1746 1748 CONECT 1748 1747 1749 CONECT 1749 1748 1750 CONECT 1750 1735 1749 CONECT 1751 1745 1752 1753 CONECT 1752 1751 CONECT 1753 1751 CONECT 4890 4913 CONECT 4898 4899 4906 CONECT 4899 4898 4900 4901 CONECT 4900 4899 CONECT 4901 4899 4902 4903 CONECT 4902 4901 CONECT 4903 4901 4904 4905 CONECT 4904 4903 4919 CONECT 4905 4903 4906 4907 CONECT 4906 4898 4905 CONECT 4907 4905 4908 CONECT 4908 4907 4909 CONECT 4909 4908 4910 4911 4912 CONECT 4910 4909 CONECT 4911 4909 CONECT 4912 4909 CONECT 4913 4890 4914 CONECT 4914 4913 4915 4920 CONECT 4915 4914 4916 CONECT 4916 4915 4917 CONECT 4917 4916 4918 CONECT 4918 4917 4919 CONECT 4919 4904 4918 CONECT 4920 4914 4921 4922 CONECT 4921 4920 CONECT 4922 4920 CONECT 6329 6330 6331 6332 6333 CONECT 6330 6329 CONECT 6331 6329 CONECT 6332 6329 CONECT 6333 6329 CONECT 6334 6335 6336 6337 6338 CONECT 6335 6334 CONECT 6336 6334 CONECT 6337 6334 CONECT 6338 6334 CONECT 6339 6340 6344 CONECT 6340 6339 6341 6370 CONECT 6341 6340 6342 CONECT 6342 6341 6343 6345 CONECT 6343 6342 6344 6348 CONECT 6344 6339 6343 6369 CONECT 6345 6342 6346 CONECT 6346 6345 6347 CONECT 6347 6346 6348 6349 CONECT 6348 6343 6347 CONECT 6349 6347 6350 CONECT 6350 6349 6351 CONECT 6351 6350 6352 6356 CONECT 6352 6351 6353 CONECT 6353 6352 6354 CONECT 6354 6353 6355 6357 CONECT 6355 6354 6356 CONECT 6356 6351 6355 CONECT 6357 6354 6358 6368 CONECT 6358 6357 6359 CONECT 6359 6358 6360 6363 CONECT 6360 6359 6361 6362 CONECT 6361 6360 CONECT 6362 6360 CONECT 6363 6359 6364 CONECT 6364 6363 6365 CONECT 6365 6364 6366 6367 CONECT 6366 6365 CONECT 6367 6365 CONECT 6368 6357 CONECT 6369 6344 CONECT 6370 6340 CONECT 6371 6372 6373 6374 6375 CONECT 6372 6371 CONECT 6373 6371 CONECT 6374 6371 CONECT 6375 6371 MASTER 254 0 6 43 30 0 0 6 6746 2 99 64 END