HEADER IMMUNE SYSTEM 15-JAN-26 9TXK TITLE CRYO-EM STRUCTURE OF ACTIVE ITIH4N WITH 12A12 F(AB) COMPND MOL_ID: 1; COMPND 2 MOLECULE: ISOFORM 3 OF INTER-ALPHA-TRYPSIN INHIBITOR HEAVY CHAIN H4; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: ITI HEAVY CHAIN H4,ITI-HC4,INTER-ALPHA-INHIBITOR HEAVY CHAIN COMPND 5 4,INTER-ALPHA-TRYPSIN INHIBITOR FAMILY HEAVY CHAIN-RELATED PROTEIN, COMPND 6 IHRP,PLASMA KALLIKREIN SENSITIVE GLYCOPROTEIN 120,GP120,PK-120; COMPND 7 ENGINEERED: YES; COMPND 8 MOL_ID: 2; COMPND 9 MOLECULE: 12A12 MAB F(AB) HEAVY CHAIN; COMPND 10 CHAIN: D; COMPND 11 MOL_ID: 3; COMPND 12 MOLECULE: 12A12 MAB F(AB) LIGHT CHAIN; COMPND 13 CHAIN: E SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: ITIH4, IHRP, ITIHL1, PK120, PRO1851; SOURCE 6 EXPRESSION_SYSTEM: HOMO SAPIENS; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 9606; SOURCE 8 MOL_ID: 2; SOURCE 9 ORGANISM_SCIENTIFIC: MUS MUSCULUS; SOURCE 10 ORGANISM_TAXID: 10090; SOURCE 11 MOL_ID: 3; SOURCE 12 ORGANISM_SCIENTIFIC: MUS MUSCULUS; SOURCE 13 ORGANISM_TAXID: 10090 KEYWDS PROTEASE INHIBITOR, PLASMA PROTEIN, COMPLEMENT, COAGULATION, CONTACT KEYWDS 2 CASCADE, IMMUNE SYSTEM EXPDTA ELECTRON MICROSCOPY AUTHOR M.H.JOERGENSEN,G.R.ANDERSEN REVDAT 1 23-SEP-26 9TXK 0 JRNL AUTH M.H.JOERGENSEN,G.R.ANDERSEN JRNL TITL THE PLASMA PROTEASE INHIBITOR ITIH4 FORMS OLIGOMERIC JRNL TITL 2 COMPLEXES AND SENSES BROADER, PROTEOLYTIC ACTIVITY JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 3.30 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 SOFTWARE PACKAGES : CRYOSPARC, PHENIX, EPU, CRYOSPARC REMARK 3 RECONSTRUCTION SCHEMA : NULL REMARK 3 REMARK 3 EM MAP-MODEL FITTING AND REFINEMENT REMARK 3 PDB ENTRY : NULL REMARK 3 REFINEMENT SPACE : NULL REMARK 3 REFINEMENT PROTOCOL : NULL REMARK 3 REFINEMENT TARGET : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE : NULL REMARK 3 REMARK 3 FITTING PROCEDURE : NULL REMARK 3 REMARK 3 EM IMAGE RECONSTRUCTION STATISTICS REMARK 3 NOMINAL PIXEL SIZE (ANGSTROMS) : NULL REMARK 3 ACTUAL PIXEL SIZE (ANGSTROMS) : NULL REMARK 3 EFFECTIVE RESOLUTION (ANGSTROMS) : 3.300 REMARK 3 NUMBER OF PARTICLES : 147648 REMARK 3 CTF CORRECTION METHOD : PHASE FLIPPING AND AMPLITUDE REMARK 3 CORRECTION REMARK 3 REMARK 3 EM RECONSTRUCTION MAGNIFICATION CALIBRATION: NULL REMARK 3 REMARK 3 OTHER DETAILS: NULL REMARK 4 REMARK 4 9TXK COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 03-MAR-26. REMARK 100 THE DEPOSITION ID IS D_1292153587. REMARK 245 REMARK 245 EXPERIMENTAL DETAILS REMARK 245 RECONSTRUCTION METHOD : SINGLE PARTICLE REMARK 245 SPECIMEN TYPE : NULL REMARK 245 REMARK 245 ELECTRON MICROSCOPE SAMPLE REMARK 245 SAMPLE TYPE : PARTICLE REMARK 245 PARTICLE TYPE : POINT REMARK 245 NAME OF SAMPLE : INTER-ALPHA-TRYPSIN INHIBITOR REMARK 245 HEAVY CHAIN 4 N-TERMINAL REMARK 245 FRAGMENT WITH 12A12 F(AB) REMARK 245 SAMPLE CONCENTRATION (MG ML-1) : NULL REMARK 245 SAMPLE SUPPORT DETAILS : NULL REMARK 245 SAMPLE VITRIFICATION DETAILS : NULL REMARK 245 SAMPLE BUFFER : NULL REMARK 245 PH : 7.50 REMARK 245 SAMPLE DETAILS : NULL REMARK 245 REMARK 245 DATA ACQUISITION REMARK 245 DATE OF EXPERIMENT : NULL REMARK 245 NUMBER OF MICROGRAPHS-IMAGES : NULL REMARK 245 TEMPERATURE (KELVIN) : NULL REMARK 245 MICROSCOPE MODEL : TFS GLACIOS REMARK 245 DETECTOR TYPE : FEI FALCON IV (4K X 4K) REMARK 245 MINIMUM DEFOCUS (NM) : 700.00 REMARK 245 MAXIMUM DEFOCUS (NM) : 2000.00 REMARK 245 MINIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 MAXIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 NOMINAL CS : NULL REMARK 245 IMAGING MODE : BRIGHT FIELD REMARK 245 ELECTRON DOSE (ELECTRONS NM**-2) : 7000.00 REMARK 245 ILLUMINATION MODE : FLOOD BEAM REMARK 245 NOMINAL MAGNIFICATION : NULL REMARK 245 CALIBRATED MAGNIFICATION : NULL REMARK 245 SOURCE : FIELD EMISSION GUN REMARK 245 ACCELERATION VOLTAGE (KV) : 200 REMARK 245 IMAGING DETAILS : NULL REMARK 247 REMARK 247 ELECTRON MICROSCOPY REMARK 247 THE COORDINATES IN THIS ENTRY WERE GENERATED FROM ELECTRON REMARK 247 MICROSCOPY DATA. PROTEIN DATA BANK CONVENTIONS REQUIRE REMARK 247 THAT CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES REMARK 247 ON THESE RECORDS ARE MEANINGLESS EXCEPT FOR THE CALCULATION REMARK 247 OF THE STRUCTURE FACTORS. 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: TRIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, D, E, 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 GLU A 29 REMARK 465 ASN A 196 REMARK 465 GLN A 197 REMARK 465 LEU A 198 REMARK 465 VAL A 199 REMARK 465 GLN A 223 REMARK 465 LYS A 224 REMARK 465 SER A 225 REMARK 465 PRO A 226 REMARK 465 GLU A 227 REMARK 465 GLN A 228 REMARK 465 GLN A 229 REMARK 465 GLU A 230 REMARK 465 THR A 231 REMARK 465 SER A 248 REMARK 465 GLY A 249 REMARK 465 GLY A 250 REMARK 465 SER A 251 REMARK 465 THR A 463 REMARK 465 ALA A 464 REMARK 465 VAL A 465 REMARK 465 THR A 466 REMARK 465 PHE A 467 REMARK 465 GLU A 468 REMARK 465 TYR A 469 REMARK 465 PRO A 470 REMARK 465 SER A 471 REMARK 465 ASN A 472 REMARK 465 ALA A 473 REMARK 465 VAL A 474 REMARK 465 GLU A 475 REMARK 465 GLU A 476 REMARK 465 VAL A 477 REMARK 465 THR A 478 REMARK 465 GLN A 479 REMARK 465 ASN A 480 REMARK 465 ASN A 481 REMARK 465 PHE A 482 REMARK 465 ARG A 483 REMARK 465 LEU A 484 REMARK 465 LEU A 485 REMARK 465 PHE A 486 REMARK 465 LYS A 487 REMARK 465 GLY A 488 REMARK 465 SER A 489 REMARK 465 GLU A 490 REMARK 465 MET A 491 REMARK 465 VAL A 492 REMARK 465 VAL A 493 REMARK 465 ALA A 494 REMARK 465 GLY A 495 REMARK 465 LYS A 496 REMARK 465 LEU A 497 REMARK 465 GLN A 498 REMARK 465 ASP A 499 REMARK 465 ARG A 500 REMARK 465 GLY A 501 REMARK 465 PRO A 502 REMARK 465 ASP A 503 REMARK 465 VAL A 504 REMARK 465 LEU A 505 REMARK 465 THR A 506 REMARK 465 ALA A 507 REMARK 465 THR A 508 REMARK 465 VAL A 509 REMARK 465 SER A 510 REMARK 465 GLY A 511 REMARK 465 LYS A 512 REMARK 465 LEU A 513 REMARK 465 PRO A 514 REMARK 465 THR A 515 REMARK 465 GLN A 516 REMARK 465 ASN A 517 REMARK 465 ILE A 518 REMARK 465 THR A 519 REMARK 465 PHE A 520 REMARK 465 GLN A 521 REMARK 465 THR A 522 REMARK 465 GLU A 523 REMARK 465 SER A 524 REMARK 465 SER A 525 REMARK 465 VAL A 526 REMARK 465 ALA A 527 REMARK 465 GLU A 528 REMARK 465 GLN A 529 REMARK 465 GLU A 530 REMARK 465 ASP A 598 REMARK 465 GLN A 599 REMARK 465 GLU A 600 REMARK 465 GLN A 601 REMARK 465 SER A 602 REMARK 465 GLN A 603 REMARK 465 VAL A 604 REMARK 465 ALA A 605 REMARK 465 GLU A 606 REMARK 465 LYS A 607 REMARK 465 PRO A 608 REMARK 465 MET A 609 REMARK 465 GLU A 610 REMARK 465 GLY A 611 REMARK 465 GLU A 612 REMARK 465 SER A 613 REMARK 465 ARG A 614 REMARK 465 ASN A 615 REMARK 465 ARG A 616 REMARK 465 ASN A 617 REMARK 465 VAL A 618 REMARK 465 HIS A 619 REMARK 465 SER A 620 REMARK 465 ALA A 621 REMARK 465 GLY A 622 REMARK 465 ALA A 623 REMARK 465 ALA A 624 REMARK 465 GLY A 625 REMARK 465 SER A 626 REMARK 465 ARG A 627 REMARK 465 MET A 628 REMARK 465 ASN A 629 REMARK 465 PHE A 630 REMARK 465 ARG A 631 REMARK 465 PRO A 632 REMARK 465 GLY A 633 REMARK 465 VAL A 634 REMARK 465 LEU A 635 REMARK 465 SER A 636 REMARK 465 SER A 637 REMARK 465 ARG A 638 REMARK 465 GLN A 639 REMARK 465 LEU A 640 REMARK 465 GLY A 641 REMARK 465 LEU A 642 REMARK 465 PRO A 643 REMARK 465 GLY A 644 REMARK 465 PRO A 645 REMARK 465 PRO A 646 REMARK 465 ASP A 647 REMARK 465 VAL A 648 REMARK 465 PRO A 649 REMARK 465 ASP A 650 REMARK 465 HIS A 651 REMARK 465 ALA A 652 REMARK 465 ALA A 653 REMARK 465 TYR A 654 REMARK 465 HIS A 655 REMARK 465 PRO A 656 REMARK 465 PHE A 657 REMARK 465 ARG A 658 REMARK 465 GLU D 0 REMARK 465 GLY D 129 REMARK 465 CYS D 130 REMARK 465 GLY D 131 REMARK 465 ASP D 132 REMARK 465 THR D 133 REMARK 465 THR D 134 REMARK 465 SER D 160 REMARK 465 LEU D 161 REMARK 465 SER D 162 REMARK 465 SER D 163 REMARK 465 GLY D 216 REMARK 465 PRO D 217 REMARK 465 ILE D 218 REMARK 465 SER D 219 REMARK 465 THR D 220 REMARK 465 ILE D 221 REMARK 465 ASN D 222 REMARK 465 PRO D 223 REMARK 465 CYS D 224 REMARK 465 PRO D 225 REMARK 465 PRO D 226 REMARK 465 ASN E 211 REMARK 465 GLU E 212 REMARK 465 CYS E 213 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 ASN A 62 55.13 -91.45 REMARK 500 ASN A 137 31.95 -143.69 REMARK 500 VAL A 260 -62.64 -109.80 REMARK 500 THR A 317 -30.67 -132.73 REMARK 500 ALA A 329 92.21 -69.51 REMARK 500 ASP A 387 70.21 61.27 REMARK 500 THR D 86 -169.10 -126.53 REMARK 500 PRO D 149 -162.02 -78.17 REMARK 500 ASN D 157 39.12 39.83 REMARK 500 TYR E 32 76.37 -101.69 REMARK 500 TYR E 91 28.47 -140.68 REMARK 500 ASP E 109 161.68 71.09 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 MG A 703 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 SER A 282 OG REMARK 620 2 SER A 284 OG 106.2 REMARK 620 3 THR A 350 OG1 77.7 158.6 REMARK 620 4 HOH A 801 O 110.8 87.0 111.6 REMARK 620 5 HOH A 802 O 161.0 84.6 86.7 84.9 REMARK 620 N 1 2 3 4 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: EMD-56399 RELATED DB: EMDB REMARK 900 CRYO-EM STRUCTURE OF ACTIVE ITIH4N WITH 12A12 F(AB) DBREF 9TXK A 29 658 UNP Q14624 ITIH4_HUMAN 29 658 DBREF 9TXK D 0 226 PDB 9TXK 9TXK 0 226 DBREF 9TXK E 1 213 PDB 9TXK 9TXK 1 213 SEQRES 1 A 630 GLU LYS ASN GLY ILE ASP ILE TYR SER LEU THR VAL ASP SEQRES 2 A 630 SER ARG VAL SER SER ARG PHE ALA HIS THR VAL VAL THR SEQRES 3 A 630 SER ARG VAL VAL ASN ARG ALA ASN THR VAL GLN GLU ALA SEQRES 4 A 630 THR PHE GLN MET GLU LEU PRO LYS LYS ALA PHE ILE THR SEQRES 5 A 630 ASN PHE SER MET ILE ILE ASP GLY MET THR TYR PRO GLY SEQRES 6 A 630 ILE ILE LYS GLU LYS ALA GLU ALA GLN ALA GLN TYR SER SEQRES 7 A 630 ALA ALA VAL ALA LYS GLY LYS SER ALA GLY LEU VAL LYS SEQRES 8 A 630 ALA THR GLY ARG ASN MET GLU GLN PHE GLN VAL SER VAL SEQRES 9 A 630 SER VAL ALA PRO ASN ALA LYS ILE THR PHE GLU LEU VAL SEQRES 10 A 630 TYR GLU GLU LEU LEU LYS ARG ARG LEU GLY VAL TYR GLU SEQRES 11 A 630 LEU LEU LEU LYS VAL ARG PRO GLN GLN LEU VAL LYS HIS SEQRES 12 A 630 LEU GLN MET ASP ILE HIS ILE PHE GLU PRO GLN GLY ILE SEQRES 13 A 630 SER PHE LEU GLU THR GLU SER THR PHE MET THR ASN GLN SEQRES 14 A 630 LEU VAL ASP ALA LEU THR THR TRP GLN ASN LYS THR LYS SEQRES 15 A 630 ALA HIS ILE ARG PHE LYS PRO THR LEU SER GLN GLN GLN SEQRES 16 A 630 LYS SER PRO GLU GLN GLN GLU THR VAL LEU ASP GLY ASN SEQRES 17 A 630 LEU ILE ILE ARG TYR ASP VAL ASP ARG ALA ILE SER GLY SEQRES 18 A 630 GLY SER ILE GLN ILE GLU ASN GLY TYR PHE VAL HIS TYR SEQRES 19 A 630 PHE ALA PRO GLU GLY LEU THR THR MET PRO LYS ASN VAL SEQRES 20 A 630 VAL PHE VAL ILE ASP LYS SER GLY SER MET SER GLY ARG SEQRES 21 A 630 LYS ILE GLN GLN THR ARG GLU ALA LEU ILE LYS ILE LEU SEQRES 22 A 630 ASP ASP LEU SER PRO ARG ASP GLN PHE ASN LEU ILE VAL SEQRES 23 A 630 PHE SER THR GLU ALA THR GLN TRP ARG PRO SER LEU VAL SEQRES 24 A 630 PRO ALA SER ALA GLU ASN VAL ASN LYS ALA ARG SER PHE SEQRES 25 A 630 ALA ALA GLY ILE GLN ALA LEU GLY GLY THR ASN ILE ASN SEQRES 26 A 630 ASP ALA MET LEU MET ALA VAL GLN LEU LEU ASP SER SER SEQRES 27 A 630 ASN GLN GLU GLU ARG LEU PRO GLU GLY SER VAL SER LEU SEQRES 28 A 630 ILE ILE LEU LEU THR ASP GLY ASP PRO THR VAL GLY GLU SEQRES 29 A 630 THR ASN PRO ARG SER ILE GLN ASN ASN VAL ARG GLU ALA SEQRES 30 A 630 VAL SER GLY ARG TYR SER LEU PHE CYS LEU GLY PHE GLY SEQRES 31 A 630 PHE ASP VAL SER TYR ALA PHE LEU GLU LYS LEU ALA LEU SEQRES 32 A 630 ASP ASN GLY GLY LEU ALA ARG ARG ILE HIS GLU ASP SER SEQRES 33 A 630 ASP SER ALA LEU GLN LEU GLN ASP PHE TYR GLN GLU VAL SEQRES 34 A 630 ALA ASN PRO LEU LEU THR ALA VAL THR PHE GLU TYR PRO SEQRES 35 A 630 SER ASN ALA VAL GLU GLU VAL THR GLN ASN ASN PHE ARG SEQRES 36 A 630 LEU LEU PHE LYS GLY SER GLU MET VAL VAL ALA GLY LYS SEQRES 37 A 630 LEU GLN ASP ARG GLY PRO ASP VAL LEU THR ALA THR VAL SEQRES 38 A 630 SER GLY LYS LEU PRO THR GLN ASN ILE THR PHE GLN THR SEQRES 39 A 630 GLU SER SER VAL ALA GLU GLN GLU ALA GLU PHE GLN SER SEQRES 40 A 630 PRO LYS TYR ILE PHE HIS ASN PHE MET GLU ARG LEU TRP SEQRES 41 A 630 ALA TYR LEU THR ILE GLN GLN LEU LEU GLU GLN THR VAL SEQRES 42 A 630 SER ALA SER ASP ALA ASP GLN GLN ALA LEU ARG ASN GLN SEQRES 43 A 630 ALA LEU ASN LEU SER LEU ALA TYR SER PHE VAL THR PRO SEQRES 44 A 630 LEU THR SER MET VAL VAL THR LYS PRO ASP ASP GLN GLU SEQRES 45 A 630 GLN SER GLN VAL ALA GLU LYS PRO MET GLU GLY GLU SER SEQRES 46 A 630 ARG ASN ARG ASN VAL HIS SER ALA GLY ALA ALA GLY SER SEQRES 47 A 630 ARG MET ASN PHE ARG PRO GLY VAL LEU SER SER ARG GLN SEQRES 48 A 630 LEU GLY LEU PRO GLY PRO PRO ASP VAL PRO ASP HIS ALA SEQRES 49 A 630 ALA TYR HIS PRO PHE ARG SEQRES 1 D 227 GLU VAL GLN LEU GLN GLN SER GLY PRO GLU LEU VAL LYS SEQRES 2 D 227 PRO GLY ALA SER VAL LYS MET SER CYS LYS ALA SER GLY SEQRES 3 D 227 TYR THR PHE LYS THR TYR LEU MET HIS TRP VAL LYS GLN SEQRES 4 D 227 LYS PRO GLY GLN GLY LEU GLU TRP ILE GLY TYR ILE ASP SEQRES 5 D 227 PRO TYR ASN ASP GLY THR LYS TYR ASN GLU LYS PHE LYS SEQRES 6 D 227 GLY LYS ALA THR LEU THR SER ASP LYS SER SER SER THR SEQRES 7 D 227 ALA TYR MET GLU LEU SER SER LEU THR SER GLU ASP SER SEQRES 8 D 227 ALA VAL TYR TYR CYS ALA LYS ASP TYR GLY TYR ASP THR SEQRES 9 D 227 TYR TRP GLY GLN GLY THR LEU VAL THR VAL SER ALA ALA SEQRES 10 D 227 LYS THR THR PRO PRO SER VAL TYR PRO LEU ALA PRO GLY SEQRES 11 D 227 CYS GLY ASP THR THR GLY SER SER VAL THR LEU GLY CYS SEQRES 12 D 227 LEU VAL LYS GLY TYR PHE PRO GLU SER VAL THR VAL THR SEQRES 13 D 227 TRP ASN SER GLY SER LEU SER SER SER VAL HIS THR PHE SEQRES 14 D 227 PRO ALA LEU LEU GLN SER GLY LEU TYR THR MET SER SER SEQRES 15 D 227 SER VAL THR VAL PRO SER SER THR TRP PRO SER GLN THR SEQRES 16 D 227 VAL THR CYS SER VAL ALA HIS PRO ALA SER SER THR THR SEQRES 17 D 227 VAL ASP LYS LYS LEU GLU PRO SER GLY PRO ILE SER THR SEQRES 18 D 227 ILE ASN PRO CYS PRO PRO SEQRES 1 E 213 ASP ILE GLN MET THR GLN SER PRO SER SER LEU SER ALA SEQRES 2 E 213 SER LEU GLY GLY LYS VAL THR ILE THR CYS LYS ALA SER SEQRES 3 E 213 GLN ASP ILE ASN LYS TYR ILE ALA TRP TYR GLN HIS LYS SEQRES 4 E 213 PRO GLY LYS GLY PRO ARG LEU LEU ILE HIS TYR THR SER SEQRES 5 E 213 THR LEU HIS PRO ASP ILE PRO SER ARG PHE SER GLY SER SEQRES 6 E 213 GLY SER GLY ARG ASP TYR SER PHE SER ILE SER ASN LEU SEQRES 7 E 213 GLU PRO GLU ASP ILE ALA THR TYR TYR CYS LEU GLN TYR SEQRES 8 E 213 ASP ASN LEU TRP THR PHE GLY GLY GLY THR LYS LEU GLU SEQRES 9 E 213 ILE LYS ARG ALA ASP ALA ALA PRO THR VAL SER ILE PHE SEQRES 10 E 213 PRO PRO SER SER GLU GLN LEU THR SER GLY GLY ALA SER SEQRES 11 E 213 VAL VAL CYS PHE LEU ASN ASN PHE TYR PRO LYS ASP ILE SEQRES 12 E 213 ASN VAL LYS TRP LYS ILE ASP GLY SER GLU ARG GLN ASN SEQRES 13 E 213 GLY VAL LEU ASN SER TRP THR ASP GLN ASP SER LYS ASP SEQRES 14 E 213 SER THR TYR SER MET SER SER THR LEU THR LEU THR LYS SEQRES 15 E 213 ASP GLU TYR GLU ARG HIS ASN SER TYR THR CYS GLU ALA SEQRES 16 E 213 THR HIS LYS THR SER THR SER PRO ILE VAL LYS SER PHE SEQRES 17 E 213 ASN ARG ASN GLU CYS HET NAG B 1 14 HET NAG B 2 14 HET NAG A 701 14 HET NAG A 702 14 HET MG A 703 1 HETNAM NAG 2-ACETAMIDO-2-DEOXY-BETA-D-GLUCOPYRANOSE HETNAM MG MAGNESIUM ION HETSYN NAG N-ACETYL-BETA-D-GLUCOSAMINE; 2-ACETAMIDO-2-DEOXY-BETA- HETSYN 2 NAG D-GLUCOSE; 2-ACETAMIDO-2-DEOXY-D-GLUCOSE; 2-ACETAMIDO- HETSYN 3 NAG 2-DEOXY-GLUCOSE; N-ACETYL-D-GLUCOSAMINE FORMUL 4 NAG 4(C8 H15 N O6) FORMUL 7 MG MG 2+ FORMUL 8 HOH *2(H2 O) HELIX 1 AA1 LYS A 98 LYS A 111 1 14 HELIX 2 AA2 SER A 282 SER A 286 5 5 HELIX 3 AA3 GLY A 287 ASP A 303 1 17 HELIX 4 AA4 GLU A 332 ALA A 342 1 11 HELIX 5 AA5 ASN A 351 GLU A 369 1 19 HELIX 6 AA6 ASN A 394 SER A 407 1 14 HELIX 7 AA7 SER A 422 ASP A 432 1 11 HELIX 8 AA8 ASP A 445 LEU A 450 1 6 HELIX 9 AA9 ASP A 452 VAL A 457 1 6 HELIX 10 AB1 SER A 535 PHE A 540 1 6 HELIX 11 AB2 ASN A 542 THR A 560 1 19 HELIX 12 AB3 VAL A 561 ALA A 563 5 3 HELIX 13 AB4 SER A 564 SER A 583 1 20 HELIX 14 AB5 THR D 86 SER D 90 5 5 HELIX 15 AB6 SER D 188 TRP D 190 5 3 HELIX 16 AB7 GLU E 79 ILE E 83 5 5 HELIX 17 AB8 SER E 120 GLY E 127 1 8 HELIX 18 AB9 THR E 181 ARG E 187 1 7 SHEET 1 AA1 8 THR A 90 PRO A 92 0 SHEET 2 AA1 8 ALA A 77 ILE A 85 -1 N MET A 84 O TYR A 91 SHEET 3 AA1 8 LYS A 139 LEU A 149 -1 O THR A 141 N ILE A 85 SHEET 4 AA1 8 PHE A 48 ASN A 59 -1 N VAL A 53 O LEU A 144 SHEET 5 AA1 8 ILE A 33 VAL A 44 -1 N ASP A 34 O VAL A 58 SHEET 6 AA1 8 LEU A 172 PHE A 179 1 O PHE A 179 N VAL A 44 SHEET 7 AA1 8 LYS A 210 PHE A 215 -1 O PHE A 215 N MET A 174 SHEET 8 AA1 8 LEU A 202 GLN A 206 -1 N THR A 203 O ARG A 214 SHEET 1 AA2 7 ILE A 94 GLU A 97 0 SHEET 2 AA2 7 THR A 589 THR A 594 -1 O SER A 590 N LYS A 96 SHEET 3 AA2 7 ALA A 115 ALA A 120 -1 N GLY A 116 O VAL A 593 SHEET 4 AA2 7 GLN A 127 VAL A 134 -1 O SER A 133 N ALA A 115 SHEET 5 AA2 7 GLN A 65 GLU A 72 -1 N MET A 71 O PHE A 128 SHEET 6 AA2 7 VAL A 156 PRO A 165 -1 O ARG A 164 N GLN A 70 SHEET 7 AA2 7 ARG A 152 ARG A 153 -1 N ARG A 153 O VAL A 156 SHEET 1 AA3 8 ILE A 94 GLU A 97 0 SHEET 2 AA3 8 THR A 589 THR A 594 -1 O SER A 590 N LYS A 96 SHEET 3 AA3 8 ALA A 115 ALA A 120 -1 N GLY A 116 O VAL A 593 SHEET 4 AA3 8 GLN A 127 VAL A 134 -1 O SER A 133 N ALA A 115 SHEET 5 AA3 8 GLN A 65 GLU A 72 -1 N MET A 71 O PHE A 128 SHEET 6 AA3 8 VAL A 156 PRO A 165 -1 O ARG A 164 N GLN A 70 SHEET 7 AA3 8 LEU A 237 VAL A 243 -1 O ILE A 239 N LEU A 159 SHEET 8 AA3 8 ILE A 184 SER A 191 -1 N GLU A 188 O ARG A 240 SHEET 1 AA4 3 THR A 320 GLN A 321 0 SHEET 2 AA4 3 GLN A 309 PHE A 315 -1 N VAL A 314 O THR A 320 SHEET 3 AA4 3 VAL A 327 PRO A 328 -1 O VAL A 327 N PHE A 310 SHEET 1 AA5 6 THR A 320 GLN A 321 0 SHEET 2 AA5 6 GLN A 309 PHE A 315 -1 N VAL A 314 O THR A 320 SHEET 3 AA5 6 LYS A 273 ASP A 280 1 N ILE A 279 O ILE A 313 SHEET 4 AA5 6 VAL A 377 THR A 384 1 O LEU A 383 N VAL A 278 SHEET 5 AA5 6 SER A 411 PHE A 417 1 O PHE A 413 N ILE A 380 SHEET 6 AA5 6 ALA A 437 ILE A 440 1 O ILE A 440 N GLY A 416 SHEET 1 AA6 4 GLN D 2 GLN D 5 0 SHEET 2 AA6 4 VAL D 17 SER D 24 -1 O LYS D 22 N GLN D 4 SHEET 3 AA6 4 THR D 77 LEU D 82 -1 O LEU D 82 N VAL D 17 SHEET 4 AA6 4 ALA D 67 ASP D 72 -1 N THR D 70 O TYR D 79 SHEET 1 AA7 6 GLU D 9 LEU D 10 0 SHEET 2 AA7 6 THR D 109 THR D 112 1 O LEU D 110 N GLU D 9 SHEET 3 AA7 6 ALA D 91 ASP D 98 -1 N ALA D 91 O VAL D 111 SHEET 4 AA7 6 LEU D 32 GLN D 38 -1 N HIS D 34 O ALA D 96 SHEET 5 AA7 6 GLU D 45 ASP D 51 -1 O GLY D 48 N TRP D 35 SHEET 6 AA7 6 GLY D 56 TYR D 59 -1 O LYS D 58 N TYR D 49 SHEET 1 AA8 4 GLU D 9 LEU D 10 0 SHEET 2 AA8 4 THR D 109 THR D 112 1 O LEU D 110 N GLU D 9 SHEET 3 AA8 4 ALA D 91 ASP D 98 -1 N ALA D 91 O VAL D 111 SHEET 4 AA8 4 THR D 103 TRP D 105 -1 O TYR D 104 N LYS D 97 SHEET 1 AA9 4 SER D 122 LEU D 126 0 SHEET 2 AA9 4 SER D 137 TYR D 147 -1 O LYS D 145 N SER D 122 SHEET 3 AA9 4 LEU D 176 PRO D 186 -1 O MET D 179 N VAL D 144 SHEET 4 AA9 4 VAL D 165 THR D 167 -1 N HIS D 166 O SER D 182 SHEET 1 AB1 4 SER D 122 LEU D 126 0 SHEET 2 AB1 4 SER D 137 TYR D 147 -1 O LYS D 145 N SER D 122 SHEET 3 AB1 4 LEU D 176 PRO D 186 -1 O MET D 179 N VAL D 144 SHEET 4 AB1 4 LEU D 171 GLN D 173 -1 N GLN D 173 O LEU D 176 SHEET 1 AB2 3 THR D 153 TRP D 156 0 SHEET 2 AB2 3 THR D 196 ALA D 200 -1 O SER D 198 N THR D 155 SHEET 3 AB2 3 THR D 207 LYS D 211 -1 O VAL D 208 N VAL D 199 SHEET 1 AB3 4 THR E 5 SER E 7 0 SHEET 2 AB3 4 LYS E 18 LYS E 24 -1 O THR E 22 N SER E 7 SHEET 3 AB3 4 ASP E 70 SER E 76 -1 O TYR E 71 N CYS E 23 SHEET 4 AB3 4 SER E 63 SER E 67 -1 N SER E 63 O SER E 74 SHEET 1 AB4 5 THR E 53 LEU E 54 0 SHEET 2 AB4 5 ARG E 45 TYR E 50 -1 N TYR E 50 O THR E 53 SHEET 3 AB4 5 ILE E 33 HIS E 38 -1 N TRP E 35 O ILE E 48 SHEET 4 AB4 5 THR E 85 GLN E 90 -1 O THR E 85 N HIS E 38 SHEET 5 AB4 5 THR E 96 PHE E 97 -1 O THR E 96 N GLN E 90 SHEET 1 AB5 4 VAL E 114 ILE E 116 0 SHEET 2 AB5 4 ALA E 129 PHE E 138 -1 O PHE E 134 N SER E 115 SHEET 3 AB5 4 TYR E 172 LEU E 180 -1 O LEU E 180 N ALA E 129 SHEET 4 AB5 4 VAL E 158 TRP E 162 -1 N SER E 161 O SER E 175 SHEET 1 AB6 4 SER E 152 GLU E 153 0 SHEET 2 AB6 4 ASN E 144 ILE E 149 -1 N ILE E 149 O SER E 152 SHEET 3 AB6 4 SER E 190 THR E 196 -1 O GLU E 194 N LYS E 146 SHEET 4 AB6 4 ILE E 204 ASN E 209 -1 O ILE E 204 N ALA E 195 SSBOND 1 CYS D 21 CYS D 95 1555 1555 2.04 SSBOND 2 CYS D 142 CYS D 197 1555 1555 2.04 SSBOND 3 CYS E 23 CYS E 88 1555 1555 2.04 SSBOND 4 CYS E 133 CYS E 193 1555 1555 2.04 LINK ND2 ASN A 81 C1 NAG A 702 1555 1555 1.45 LINK ND2 ASN A 207 C1 NAG A 701 1555 1555 1.44 LINK ND2 ASN A 577 C1 NAG B 1 1555 1555 1.44 LINK O4 NAG B 1 C1 NAG B 2 1555 1555 1.46 LINK OG SER A 282 MG MG A 703 1555 1555 2.42 LINK OG SER A 284 MG MG A 703 1555 1555 2.12 LINK OG1 THR A 350 MG MG A 703 1555 1555 2.13 LINK MG MG A 703 O HOH A 801 1555 1555 2.11 LINK MG MG A 703 O HOH A 802 1555 1555 2.23 CISPEP 1 PHE D 148 PRO D 149 0 -0.41 CISPEP 2 TRP D 190 PRO D 191 0 -0.98 CISPEP 3 SER E 7 PRO E 8 0 -7.59 CISPEP 4 TYR E 139 PRO E 140 0 5.72 CRYST1 1.000 1.000 1.000 90.00 90.00 90.00 P 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 CONECT 410 7043 CONECT 1374 7029 CONECT 1879 7057 CONECT 1889 7057 CONECT 2395 7057 CONECT 3652 7001 CONECT 3954 4546 CONECT 4546 3954 CONECT 4843 5227 CONECT 5227 4843 CONECT 5516 6038 CONECT 6038 5516 CONECT 6369 6866 CONECT 6866 6369 CONECT 7001 3652 7002 7012 CONECT 7002 7001 7003 7009 CONECT 7003 7002 7004 7010 CONECT 7004 7003 7005 7011 CONECT 7005 7004 7006 7012 CONECT 7006 7005 7013 CONECT 7007 7008 7009 7014 CONECT 7008 7007 CONECT 7009 7002 7007 CONECT 7010 7003 CONECT 7011 7004 7015 CONECT 7012 7001 7005 CONECT 7013 7006 CONECT 7014 7007 CONECT 7015 7011 7016 7026 CONECT 7016 7015 7017 7023 CONECT 7017 7016 7018 7024 CONECT 7018 7017 7019 7025 CONECT 7019 7018 7020 7026 CONECT 7020 7019 7027 CONECT 7021 7022 7023 7028 CONECT 7022 7021 CONECT 7023 7016 7021 CONECT 7024 7017 CONECT 7025 7018 CONECT 7026 7015 7019 CONECT 7027 7020 CONECT 7028 7021 CONECT 7029 1374 7030 7040 CONECT 7030 7029 7031 7037 CONECT 7031 7030 7032 7038 CONECT 7032 7031 7033 7039 CONECT 7033 7032 7034 7040 CONECT 7034 7033 7041 CONECT 7035 7036 7037 7042 CONECT 7036 7035 CONECT 7037 7030 7035 CONECT 7038 7031 CONECT 7039 7032 CONECT 7040 7029 7033 CONECT 7041 7034 CONECT 7042 7035 CONECT 7043 410 7044 7054 CONECT 7044 7043 7045 7051 CONECT 7045 7044 7046 7052 CONECT 7046 7045 7047 7053 CONECT 7047 7046 7048 7054 CONECT 7048 7047 7055 CONECT 7049 7050 7051 7056 CONECT 7050 7049 CONECT 7051 7044 7049 CONECT 7052 7045 CONECT 7053 7046 CONECT 7054 7043 7047 CONECT 7055 7048 CONECT 7056 7049 CONECT 7057 1879 1889 2395 7058 CONECT 7057 7059 CONECT 7058 7057 CONECT 7059 7057 MASTER 323 0 5 18 74 0 0 6 7056 3 74 84 END