.018727 0.000000 0.000000 0.000000 .009980 0.000000 0.000000 0.000000 .020576 0.00000 0.00000 0.00000 Brunie, S. Sigler, P.B. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 8 90.00 90.00 90.00 53.400 100.200 48.600 C3 H7 N O2 89.093 y ALANINE L-peptide linking C6 H15 N4 O2 1 175.209 y ARGININE L-peptide linking C4 H8 N2 O3 132.118 y ASPARAGINE L-peptide linking C4 H7 N O4 133.103 y ASPARTIC ACID L-peptide linking C3 H7 N O2 S 121.158 y CYSTEINE L-peptide linking C5 H10 N2 O3 146.144 y GLUTAMINE L-peptide linking C5 H9 N O4 147.129 y GLUTAMIC ACID L-peptide linking C2 H5 N O2 75.067 y GLYCINE peptide linking C6 H10 N3 O2 1 156.162 y HISTIDINE L-peptide linking H2 O 18.015 WATER non-polymer C6 H13 N O2 131.173 y ISOLEUCINE L-peptide linking C6 H13 N O2 131.173 y LEUCINE L-peptide linking C6 H15 N2 O2 1 147.195 y LYSINE L-peptide linking C5 H11 N O2 S 149.211 y METHIONINE L-peptide linking C9 H11 N O2 165.189 y PHENYLALANINE L-peptide linking C5 H9 N O2 115.130 y PROLINE L-peptide linking C3 H7 N O3 105.093 y SERINE L-peptide linking C4 H9 N O3 119.119 y THREONINE L-peptide linking C11 H12 N2 O2 204.225 y TRYPTOPHAN L-peptide linking C9 H11 N O3 181.189 y TYROSINE L-peptide linking C5 H11 N O2 117.146 y VALINE L-peptide linking US J.Biol.Chem. JBCHA3 0071 0021-9258 260 9742 9749 4019493 The refined crystal structure of dimeric phospholipase A2 at 2.5 A. Access to a shielded catalytic center. 1985 US J.Biol.Chem. JBCHA3 0071 0021-9258 260 11627 A Comparison of the Crystal Structures of Phospholipase A2 from Bovine Pancreas and Crotalus Atrox Venom 1985 US J.Biol.Chem. JBCHA3 0071 0021-9258 256 8602 The 2.5 Angstroms Crystal Structure of a Dimeric Phospholipase A2 from the Venom of Crotalus Atrox 1981 UK J.Mol.Biol. JMOBAK 0070 0022-2836 97 395 Characterization of Crystals of Two Venom Phospholipases A2 1975 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 1 x-ray 1 1.0 13607.277 CALCIUM-FREE PHOSPHOLIPASE A2 3.1.1.4 2 man polymer 18.015 water 137 nat water no no SLVQFETLIMKIAGRSGLLWYSAYGCYCGWGGHGLPQDATDRCCFVHDCCYGKATDCNPKTVSYTYSEENGEIICGGDDP CGTQICECDKAAAICFRDNIPSYDNKYWLFPPKDCREEPEPC SLVQFETLIMKIAGRSGLLWYSAYGCYCGWGGHGLPQDATDRCCFVHDCCYGKATDCNPKTVSYTYSEENGEIICGGDDP CGTQICECDKAAAICFRDNIPSYDNKYWLFPPKDCREEPEPC R,L polypeptide(L) n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n western diamondback rattlesnake Crotalus sample 8730 Crotalus atrox 2.39 48.48 repository Initial release Version format compliance Version format compliance 1 0 1986-05-07 1 1 2008-03-03 1 2 2011-07-13 Y 1986-03-10 REL HOH water HOH 503 2 HOH HOH 503 R HOH 507 2 HOH HOH 507 R HOH 508 2 HOH HOH 508 R HOH 510 2 HOH HOH 510 R HOH 511 2 HOH HOH 511 R HOH 512 2 HOH HOH 512 R HOH 513 2 HOH HOH 513 R HOH 514 2 HOH HOH 514 R HOH 516 2 HOH HOH 516 R HOH 517 2 HOH HOH 517 R HOH 518 2 HOH HOH 518 R HOH 519 2 HOH HOH 519 R HOH 524 2 HOH HOH 524 R HOH 525 2 HOH HOH 525 R HOH 526 2 HOH HOH 526 R HOH 527 2 HOH HOH 527 R HOH 529 2 HOH HOH 529 R HOH 530 2 HOH HOH 530 R HOH 531 2 HOH HOH 531 R HOH 532 2 HOH HOH 532 R HOH 533 2 HOH HOH 533 R HOH 534 2 HOH HOH 534 R HOH 536 2 HOH HOH 536 R HOH 537 2 HOH HOH 537 R HOH 538 2 HOH HOH 538 R HOH 539 2 HOH HOH 539 R HOH 540 2 HOH HOH 540 R HOH 541 2 HOH HOH 541 R HOH 544 2 HOH HOH 544 R HOH 549 2 HOH HOH 549 R HOH 556 2 HOH HOH 556 R HOH 558 2 HOH HOH 558 R HOH 562 2 HOH HOH 562 R HOH 563 2 HOH HOH 563 R HOH 564 2 HOH HOH 564 R HOH 566 2 HOH HOH 566 R HOH 569 2 HOH HOH 569 R HOH 573 2 HOH HOH 573 R HOH 574 2 HOH HOH 574 R HOH 576 2 HOH HOH 576 R HOH 577 2 HOH HOH 577 R HOH 582 2 HOH HOH 582 R HOH 583 2 HOH HOH 583 R HOH 584 2 HOH HOH 584 R HOH 586 2 HOH HOH 586 R HOH 587 2 HOH HOH 587 R HOH 588 2 HOH HOH 588 R HOH 589 2 HOH HOH 589 R HOH 590 2 HOH HOH 590 R HOH 591 2 HOH HOH 591 R HOH 593 2 HOH HOH 593 R HOH 594 2 HOH HOH 594 R HOH 596 2 HOH HOH 596 R HOH 597 2 HOH HOH 597 R HOH 598 2 HOH HOH 598 R HOH 600 2 HOH HOH 600 R HOH 603 2 HOH HOH 603 R HOH 607 2 HOH HOH 607 R HOH 620 2 HOH HOH 620 R HOH 621 2 HOH HOH 621 R HOH 624 2 HOH HOH 624 R HOH 627 2 HOH HOH 627 R HOH 636 2 HOH HOH 636 R HOH 501 2 HOH HOH 501 L HOH 502 2 HOH HOH 502 L HOH 504 2 HOH HOH 504 L HOH 505 2 HOH HOH 505 L HOH 506 2 HOH HOH 506 L HOH 509 2 HOH HOH 509 L HOH 515 2 HOH HOH 515 L HOH 520 2 HOH HOH 520 L HOH 521 2 HOH HOH 521 L HOH 522 2 HOH HOH 522 L HOH 523 2 HOH HOH 523 L HOH 528 2 HOH HOH 528 L HOH 535 2 HOH HOH 535 L HOH 542 2 HOH HOH 542 L HOH 543 2 HOH HOH 543 L HOH 545 2 HOH HOH 545 L HOH 546 2 HOH HOH 546 L HOH 547 2 HOH HOH 547 L HOH 548 2 HOH HOH 548 L HOH 550 2 HOH HOH 550 L HOH 551 2 HOH HOH 551 L HOH 552 2 HOH HOH 552 L HOH 553 2 HOH HOH 553 L HOH 554 2 HOH HOH 554 L HOH 555 2 HOH HOH 555 L HOH 557 2 HOH HOH 557 L HOH 559 2 HOH HOH 559 L HOH 560 2 HOH HOH 560 L HOH 561 2 HOH HOH 561 L HOH 565 2 HOH HOH 565 L HOH 567 2 HOH HOH 567 L HOH 568 2 HOH HOH 568 L HOH 570 2 HOH HOH 570 L HOH 571 2 HOH HOH 571 L HOH 572 2 HOH HOH 572 L HOH 575 2 HOH HOH 575 L HOH 578 2 HOH HOH 578 L HOH 579 2 HOH HOH 579 L HOH 580 2 HOH HOH 580 L HOH 581 2 HOH HOH 581 L HOH 585 2 HOH HOH 585 L HOH 592 2 HOH HOH 592 L HOH 595 2 HOH HOH 595 L HOH 599 2 HOH HOH 599 L HOH 601 2 HOH HOH 601 L HOH 602 2 HOH HOH 602 L HOH 604 2 HOH HOH 604 L HOH 605 2 HOH HOH 605 L HOH 606 2 HOH HOH 606 L HOH 608 2 HOH HOH 608 L HOH 609 2 HOH HOH 609 L HOH 610 2 HOH HOH 610 L HOH 611 2 HOH HOH 611 L HOH 612 2 HOH HOH 612 L HOH 613 2 HOH HOH 613 L HOH 614 2 HOH HOH 614 L HOH 615 2 HOH HOH 615 L HOH 616 2 HOH HOH 616 L HOH 617 2 HOH HOH 617 L HOH 618 2 HOH HOH 618 L HOH 619 2 HOH HOH 619 L HOH 622 2 HOH HOH 622 L HOH 623 2 HOH HOH 623 L HOH 625 2 HOH HOH 625 L HOH 626 2 HOH HOH 626 L HOH 628 2 HOH HOH 628 L HOH 629 2 HOH HOH 629 L HOH 630 2 HOH HOH 630 L HOH 631 2 HOH HOH 631 L HOH 632 2 HOH HOH 632 L HOH 633 2 HOH HOH 633 L HOH 634 2 HOH HOH 634 L HOH 635 2 HOH HOH 635 L HOH 637 2 HOH HOH 637 L SER 1 n 1 SER 1 R LEU 2 n 2 LEU 2 R VAL 3 n 3 VAL 3 R GLN 4 n 4 GLN 4 R PHE 5 n 5 PHE 5 R GLU 6 n 6 GLU 6 R THR 7 n 7 THR 7 R LEU 8 n 8 LEU 8 R ILE 9 n 9 ILE 9 R MET 10 n 10 MET 10 R LYS 11 n 11 LYS 11 R ILE 12 n 12 ILE 12 R ALA 13 n 13 ALA 13 R GLY 14 n 14 GLY 14 R ARG 16 n 15 ARG 16 R SER 17 n 16 SER 17 R GLY 18 n 17 GLY 18 R LEU 19 n 18 LEU 19 R LEU 20 n 19 LEU 20 R TRP 21 n 20 TRP 21 R TYR 22 n 21 TYR 22 R SER 23 n 22 SER 23 R ALA 24 n 23 ALA 24 R TYR 25 n 24 TYR 25 R GLY 26 n 25 GLY 26 R CYS 27 n 26 CYS 27 R TYR 28 n 27 TYR 28 R CYS 29 n 28 CYS 29 R GLY 30 n 29 GLY 30 R TRP 31 n 30 TRP 31 R GLY 32 n 31 GLY 32 R GLY 33 n 32 GLY 33 R HIS 34 n 33 HIS 34 R GLY 35 n 34 GLY 35 R LEU 36 n 35 LEU 36 R PRO 37 n 36 PRO 37 R GLN 38 n 37 GLN 38 R ASP 39 n 38 ASP 39 R ALA 40 n 39 ALA 40 R THR 41 n 40 THR 41 R ASP 42 n 41 ASP 42 R ARG 43 n 42 ARG 43 R CYS 44 n 43 CYS 44 R CYS 45 n 44 CYS 45 R PHE 46 n 45 PHE 46 R VAL 47 n 46 VAL 47 R HIS 48 n 47 HIS 48 R ASP 49 n 48 ASP 49 R CYS 50 n 49 CYS 50 R CYS 51 n 50 CYS 51 R TYR 52 n 51 TYR 52 R GLY 53 n 52 GLY 53 R LYS 54 n 53 LYS 54 R ALA 55 n 54 ALA 55 R THR 56 n 55 THR 56 R ASP 59 n 56 ASP 59 R CYS 61 n 57 CYS 61 R ASN 67 n 58 ASN 67 R PRO 68 n 59 PRO 68 R LYS 69 n 60 LYS 69 R THR 70 n 61 THR 70 R VAL 71 n 62 VAL 71 R SER 72 n 63 SER 72 R TYR 73 n 64 TYR 73 R THR 74 n 65 THR 74 R TYR 75 n 66 TYR 75 R SER 76 n 67 SER 76 R GLU 77 n 68 GLU 77 R GLU 78 n 69 GLU 78 R ASN 79 n 70 ASN 79 R GLY 80 n 71 GLY 80 R GLU 81 n 72 GLU 81 R ILE 82 n 73 ILE 82 R ILE 83 n 74 ILE 83 R CYS 84 n 75 CYS 84 R GLY 85 n 76 GLY 85 R GLY 86 n 77 GLY 86 R ASP 88 n 78 ASP 88 R ASP 89 n 79 ASP 89 R PRO 90 n 80 PRO 90 R CYS 91 n 81 CYS 91 R GLY 92 n 82 GLY 92 R THR 93 n 83 THR 93 R GLN 94 n 84 GLN 94 R ILE 95 n 85 ILE 95 R CYS 96 n 86 CYS 96 R GLU 97 n 87 GLU 97 R CYS 98 n 88 CYS 98 R ASP 99 n 89 ASP 99 R LYS 100 n 90 LYS 100 R ALA 101 n 91 ALA 101 R ALA 102 n 92 ALA 102 R ALA 103 n 93 ALA 103 R ILE 104 n 94 ILE 104 R CYS 105 n 95 CYS 105 R PHE 106 n 96 PHE 106 R ARG 107 n 97 ARG 107 R ASP 108 n 98 ASP 108 R ASN 109 n 99 ASN 109 R ILE 110 n 100 ILE 110 R PRO 111 n 101 PRO 111 R SER 112 n 102 SER 112 R TYR 113 n 103 TYR 113 R ASP 114 n 104 ASP 114 R ASN 115 n 105 ASN 115 R LYS 116 n 106 LYS 116 R TYR 117 n 107 TYR 117 R TRP 118 n 108 TRP 118 R LEU 119 n 109 LEU 119 R PHE 120 n 110 PHE 120 R PRO 121 n 111 PRO 121 R PRO 122 n 112 PRO 122 R LYS 124 n 113 LYS 124 R ASP 125 n 114 ASP 125 R CYS 126 n 115 CYS 126 R ARG 127 n 116 ARG 127 R GLU 128 n 117 GLU 128 R GLU 129 n 118 GLU 129 R PRO 130 n 119 PRO 130 R GLU 131 n 120 GLU 131 R PRO 132 n 121 PRO 132 R CYS 133 n 122 CYS 133 R SER 1 n 1 SER 1 L LEU 2 n 2 LEU 2 L VAL 3 n 3 VAL 3 L GLN 4 n 4 GLN 4 L PHE 5 n 5 PHE 5 L GLU 6 n 6 GLU 6 L THR 7 n 7 THR 7 L LEU 8 n 8 LEU 8 L ILE 9 n 9 ILE 9 L MET 10 n 10 MET 10 L LYS 11 n 11 LYS 11 L ILE 12 n 12 ILE 12 L ALA 13 n 13 ALA 13 L GLY 14 n 14 GLY 14 L ARG 16 n 15 ARG 16 L SER 17 n 16 SER 17 L GLY 18 n 17 GLY 18 L LEU 19 n 18 LEU 19 L LEU 20 n 19 LEU 20 L TRP 21 n 20 TRP 21 L TYR 22 n 21 TYR 22 L SER 23 n 22 SER 23 L ALA 24 n 23 ALA 24 L TYR 25 n 24 TYR 25 L GLY 26 n 25 GLY 26 L CYS 27 n 26 CYS 27 L TYR 28 n 27 TYR 28 L CYS 29 n 28 CYS 29 L GLY 30 n 29 GLY 30 L TRP 31 n 30 TRP 31 L GLY 32 n 31 GLY 32 L GLY 33 n 32 GLY 33 L HIS 34 n 33 HIS 34 L GLY 35 n 34 GLY 35 L LEU 36 n 35 LEU 36 L PRO 37 n 36 PRO 37 L GLN 38 n 37 GLN 38 L ASP 39 n 38 ASP 39 L ALA 40 n 39 ALA 40 L THR 41 n 40 THR 41 L ASP 42 n 41 ASP 42 L ARG 43 n 42 ARG 43 L CYS 44 n 43 CYS 44 L CYS 45 n 44 CYS 45 L PHE 46 n 45 PHE 46 L VAL 47 n 46 VAL 47 L HIS 48 n 47 HIS 48 L ASP 49 n 48 ASP 49 L CYS 50 n 49 CYS 50 L CYS 51 n 50 CYS 51 L TYR 52 n 51 TYR 52 L GLY 53 n 52 GLY 53 L LYS 54 n 53 LYS 54 L ALA 55 n 54 ALA 55 L THR 56 n 55 THR 56 L ASP 59 n 56 ASP 59 L CYS 61 n 57 CYS 61 L ASN 67 n 58 ASN 67 L PRO 68 n 59 PRO 68 L LYS 69 n 60 LYS 69 L THR 70 n 61 THR 70 L VAL 71 n 62 VAL 71 L SER 72 n 63 SER 72 L TYR 73 n 64 TYR 73 L THR 74 n 65 THR 74 L TYR 75 n 66 TYR 75 L SER 76 n 67 SER 76 L GLU 77 n 68 GLU 77 L GLU 78 n 69 GLU 78 L ASN 79 n 70 ASN 79 L GLY 80 n 71 GLY 80 L GLU 81 n 72 GLU 81 L ILE 82 n 73 ILE 82 L ILE 83 n 74 ILE 83 L CYS 84 n 75 CYS 84 L GLY 85 n 76 GLY 85 L GLY 86 n 77 GLY 86 L ASP 88 n 78 ASP 88 L ASP 89 n 79 ASP 89 L PRO 90 n 80 PRO 90 L CYS 91 n 81 CYS 91 L GLY 92 n 82 GLY 92 L THR 93 n 83 THR 93 L GLN 94 n 84 GLN 94 L ILE 95 n 85 ILE 95 L CYS 96 n 86 CYS 96 L GLU 97 n 87 GLU 97 L CYS 98 n 88 CYS 98 L ASP 99 n 89 ASP 99 L LYS 100 n 90 LYS 100 L ALA 101 n 91 ALA 101 L ALA 102 n 92 ALA 102 L ALA 103 n 93 ALA 103 L ILE 104 n 94 ILE 104 L CYS 105 n 95 CYS 105 L PHE 106 n 96 PHE 106 L ARG 107 n 97 ARG 107 L ASP 108 n 98 ASP 108 L ASN 109 n 99 ASN 109 L ILE 110 n 100 ILE 110 L PRO 111 n 101 PRO 111 L SER 112 n 102 SER 112 L TYR 113 n 103 TYR 113 L ASP 114 n 104 ASP 114 L ASN 115 n 105 ASN 115 L LYS 116 n 106 LYS 116 L TYR 117 n 107 TYR 117 L TRP 118 n 108 TRP 118 L LEU 119 n 109 LEU 119 L PHE 120 n 110 PHE 120 L PRO 121 n 111 PRO 121 L PRO 122 n 112 PRO 122 L LYS 124 n 113 LYS 124 L ASP 125 n 114 ASP 125 L CYS 126 n 115 CYS 126 L ARG 127 n 116 ARG 127 L GLU 128 n 117 GLU 128 L GLU 129 n 118 GLU 129 L PRO 130 n 119 PRO 130 L GLU 131 n 120 GLU 131 L PRO 132 n 121 PRO 132 L CYS 133 n 122 CYS 133 L author_and_software_defined_assembly PISA 2 dimeric 2530 -18 11640 1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 1_555 x,y,z identity operation 0.0000000000 0.0000000000 0.0000000000 R O SER 76 A O SER 67 R N ILE 83 A N ILE 74 L O SER 76 B O SER 67 L N ILE 83 B N ILE 74 1 R R O O HOH HOH 541 591 2.09 1 R R OD1 O ASP HOH 49 573 2.14 1 R R N OE2 LEU GLU 36 128 2.15 1 L ARG 127 0.109 SIDE CHAIN 1 -13.85 1.20 123.30 109.45 R R R OE1 CD OE2 GLU GLU GLU 6 6 6 N 1 22.24 2.00 118.30 140.54 R R R CG CD OE1 GLU GLU GLU 6 6 6 N 1 -10.98 1.60 122.70 111.72 R R R O C N LEU LEU ILE 8 8 9 Y 1 -13.20 1.80 110.60 97.40 R R R N CA CB MET MET MET 10 10 10 N 1 16.41 2.30 111.70 128.11 R R R CD CE NZ LYS LYS LYS 11 11 11 N 1 17.88 1.40 123.60 141.48 R R R CD NE CZ ARG ARG ARG 16 16 16 N 1 10.77 0.50 120.30 131.07 R R R NE CZ NH1 ARG ARG ARG 16 16 16 N 1 -6.84 0.50 120.30 113.46 R R R NE CZ NH2 ARG ARG ARG 16 16 16 N 1 12.57 1.90 110.20 122.77 R R R CB CA C LEU LEU LEU 20 20 20 N 1 20.01 2.30 115.30 135.31 R R R CA CB CG LEU LEU LEU 20 20 20 N 1 -9.12 1.40 110.10 100.98 R R R N CA CB ALA ALA ALA 24 24 24 N 1 -6.11 0.60 121.00 114.89 R R R CB CG CD2 TYR TYR TYR 28 28 28 N 1 5.44 0.60 121.00 126.44 R R R CB CG CD1 TYR TYR TYR 28 28 28 N 1 7.40 1.10 114.20 121.60 R R R CA CB SG CYS CYS CYS 29 29 29 N 1 6.18 0.70 109.00 115.18 R R R CE1 NE2 CD2 HIS HIS HIS 34 34 34 N 1 -12.55 1.90 123.30 110.75 R R R OD1 CG OD2 ASP ASP ASP 42 42 42 N 1 12.88 0.90 118.30 131.18 R R R CB CG OD2 ASP ASP ASP 42 42 42 N 1 -3.39 0.50 120.30 116.91 R R R NE CZ NH1 ARG ARG ARG 43 43 43 N 1 -9.98 1.60 122.70 112.72 R R R O C N CYS CYS PHE 45 45 46 Y 1 11.27 1.60 122.70 133.97 R R R O C N PHE PHE VAL 46 46 47 Y 1 13.59 2.00 110.40 123.99 R R R CB CA C ASP ASP ASP 49 49 49 N 1 -13.50 1.80 110.60 97.10 R R R N CA CB ASP ASP ASP 49 49 49 N 1 17.59 1.90 123.30 140.89 R R R OD1 CG OD2 ASP ASP ASP 49 49 49 N 1 -20.90 0.90 118.30 97.40 R R R CB CG OD1 ASP ASP ASP 49 49 49 N 1 -5.78 0.60 121.00 115.22 R R R CB CG CD2 TYR TYR TYR 52 52 52 N 1 21.01 2.20 113.40 134.41 R R R CA CB CG LYS LYS LYS 54 54 54 N 1 19.65 2.60 111.60 131.25 R R R CB CG CD LYS LYS LYS 54 54 54 N 1 -12.98 2.10 120.10 107.12 R R R CA C O LYS LYS LYS 54 54 54 N 1 -16.80 1.50 110.10 93.30 R R R CB CA C ALA ALA ALA 55 55 55 N 1 11.75 1.40 110.10 121.85 R R R N CA CB ALA ALA ALA 55 55 55 N 1 9.21 1.40 112.40 121.61 R R R CA CB CG2 THR THR THR 56 56 56 N 1 9.95 1.50 110.90 120.85 R R R CA CB CG2 VAL VAL VAL 71 71 71 N 1 -12.59 1.50 110.50 97.91 R R R N CA CB SER SER SER 72 72 72 N 1 -12.44 1.80 110.60 98.16 R R R N CA CB ASN ASN ASN 79 79 79 N 1 8.05 1.20 123.30 131.35 R R R OE1 CD OE2 GLU GLU GLU 81 81 81 N 1 15.25 2.50 121.70 136.95 R R R C N CA GLU ILE ILE 81 82 82 Y 1 18.65 2.10 122.30 140.95 R R R C N CA GLY GLY GLY 85 86 86 Y 1 6.70 0.90 118.30 125.00 R R R CB CG OD1 ASP ASP ASP 89 89 89 N 1 -14.68 1.20 123.30 108.62 R R R OE1 CD OE2 GLU GLU GLU 97 97 97 N 1 8.99 1.40 110.10 119.09 R R R N CA CB ALA ALA ALA 102 102 102 N 1 8.26 1.10 114.20 122.46 R R R CA CB SG CYS CYS CYS 105 105 105 N 1 -3.87 0.50 120.30 116.43 R R R NE CZ NH1 ARG ARG ARG 107 107 107 N 1 20.80 0.90 118.30 139.10 R R R CB CG OD1 ASP ASP ASP 108 108 108 N 1 -13.64 0.90 118.30 104.66 R R R CB CG OD2 ASP ASP ASP 108 108 108 N 1 -13.35 2.10 120.10 106.75 R R R CA C O ASP ASP ASP 108 108 108 N 1 14.59 2.20 117.20 131.79 R R R CA C N ASP ASP ASN 108 108 109 Y 1 18.71 2.50 121.70 140.41 R R R C N CA ASP ASN ASN 108 109 109 Y 1 9.89 1.60 122.70 132.59 R R R O C N ASN ASN ILE 109 109 110 Y 1 7.46 0.90 118.30 125.76 R R R CB CG OD2 ASP ASP ASP 114 114 114 N 1 19.58 3.00 111.90 131.48 R R R CG CD CE LYS LYS LYS 116 116 116 N 1 7.00 0.60 121.00 128.00 R R R CB CG CD1 TYR TYR TYR 117 117 117 N 1 6.17 0.80 121.30 127.47 R R R CG CD1 CE1 TYR TYR TYR 117 117 117 N 1 -5.74 0.90 119.80 114.06 R R R CD1 CE1 CZ TYR TYR TYR 117 117 117 N 1 15.12 1.90 110.20 125.32 R R R CB CA C LEU LEU LEU 119 119 119 N 1 17.36 2.30 115.30 132.66 R R R CA CB CG LEU LEU LEU 119 119 119 N 1 15.67 2.50 121.70 137.37 R R R C N CA LEU PHE PHE 119 120 120 Y 1 19.59 2.20 113.40 132.99 R R R CA CB CG LYS LYS LYS 124 124 124 N 1 25.71 2.60 111.60 137.31 R R R CB CG CD LYS LYS LYS 124 124 124 N 1 23.01 2.20 113.40 136.41 R R R CA CB CG ASP ASP ASP 125 125 125 N 1 -13.46 1.90 123.30 109.84 R R R OD1 CG OD2 ASP ASP ASP 125 125 125 N 1 9.32 0.90 118.30 127.62 R R R CB CG OD1 ASP ASP ASP 125 125 125 N 1 12.45 0.50 120.30 132.75 R R R NE CZ NH1 ARG ARG ARG 127 127 127 N 1 -6.71 0.50 120.30 113.59 R R R NE CZ NH2 ARG ARG ARG 127 127 127 N 1 12.77 2.00 110.40 123.17 R R R CB CA C GLU GLU GLU 128 128 128 N 1 -22.97 1.20 123.30 100.33 R R R OE1 CD OE2 GLU GLU GLU 128 128 128 N 1 27.84 2.00 118.30 146.14 R R R CG CD OE1 GLU GLU GLU 128 128 128 N 1 -12.83 1.60 122.70 109.87 R R R O C N GLU GLU GLU 128 128 129 Y 1 13.80 2.00 118.30 132.10 R R R CG CD OE1 GLU GLU GLU 129 129 129 N 1 -17.24 2.00 118.30 101.06 R R R CG CD OE2 GLU GLU GLU 129 129 129 N 1 15.14 2.20 113.40 128.54 R R R CA CB CG GLU GLU GLU 131 131 131 N 1 -12.97 1.90 110.10 97.13 L L L CB CA C SER SER SER 1 1 1 N 1 -12.62 1.50 110.50 97.88 L L L N CA CB SER SER SER 1 1 1 N 1 -13.56 1.90 111.40 97.84 L L L CB CA C VAL VAL VAL 3 3 3 N 1 -10.06 1.60 110.90 100.84 L L L CG1 CB CG2 VAL VAL VAL 3 3 3 N 1 11.85 1.50 110.90 122.75 L L L CA CB CG2 VAL VAL VAL 3 3 3 N 1 -16.79 2.30 121.90 105.11 L L L OE1 CD NE2 GLN GLN GLN 4 4 4 N 1 -10.62 1.60 122.70 112.08 L L L O C N GLN GLN PHE 4 4 5 Y 1 -8.50 1.20 123.30 114.80 L L L OE1 CD OE2 GLU GLU GLU 6 6 6 N 1 -13.48 2.10 120.10 106.62 L L L CA C O THR THR THR 7 7 7 N 1 17.68 2.30 115.30 132.98 L L L CA CB CG LEU LEU LEU 8 8 8 N 1 20.95 2.60 111.60 132.55 L L L CB CG CD LYS LYS LYS 11 11 11 N 1 11.70 1.80 110.60 122.30 L L L N CA CB ARG ARG ARG 16 16 16 N 1 23.98 2.10 111.80 135.78 L L L CG CD NE ARG ARG ARG 16 16 16 N 1 -9.74 1.40 123.60 113.86 L L L CD NE CZ ARG ARG ARG 16 16 16 N 1 -13.91 1.10 119.40 105.49 L L L NH1 CZ NH2 ARG ARG ARG 16 16 16 N 1 14.45 0.50 120.30 134.75 L L L NE CZ NH2 ARG ARG ARG 16 16 16 N 1 11.10 1.60 122.70 133.80 L L L O C N ARG ARG SER 16 16 17 Y 1 21.70 2.70 111.20 132.90 L L L CA CB OG SER SER SER 17 17 17 N 1 -4.65 0.60 121.00 116.35 L L L CB CG CD2 TYR TYR TYR 22 22 22 N 1 5.35 0.60 121.00 126.35 L L L CB CG CD1 TYR TYR TYR 25 25 25 N 1 15.05 2.00 116.20 131.25 L L L CA C N CYS CYS GLY 29 29 30 Y 1 13.26 1.40 123.60 136.86 L L L CD NE CZ ARG ARG ARG 43 43 43 N 1 -13.63 1.10 119.40 105.77 L L L NH1 CZ NH2 ARG ARG ARG 43 43 43 N 1 17.85 0.50 120.30 138.15 L L L NE CZ NH1 ARG ARG ARG 43 43 43 N 1 -5.20 0.50 120.30 115.10 L L L NE CZ NH2 ARG ARG ARG 43 43 43 N 1 -11.25 1.60 122.70 111.45 L L L O C N ARG ARG CYS 43 43 44 Y 1 15.83 2.20 111.50 127.33 L L L N CA CB VAL VAL VAL 47 47 47 N 1 12.82 1.50 110.90 123.72 L L L CA CB CG1 VAL VAL VAL 47 47 47 N 1 14.85 1.90 123.30 138.15 L L L OD1 CG OD2 ASP ASP ASP 49 49 49 N 1 -9.57 0.90 118.30 108.73 L L L CB CG OD1 ASP ASP ASP 49 49 49 N 1 9.94 1.10 114.20 124.14 L L L CA CB SG CYS CYS CYS 51 51 51 N 1 8.58 1.40 110.10 118.68 L L L N CA CB ALA ALA ALA 55 55 55 N 1 11.41 1.40 112.40 123.81 L L L CA CB CG2 THR THR THR 56 56 56 N 1 14.71 1.60 122.70 137.41 L L L O C N CYS CYS ASN 61 61 67 Y 1 17.25 2.20 113.40 130.65 L L L CA CB CG LYS LYS LYS 69 69 69 N 1 -13.18 2.10 120.10 106.92 L L L CA C O GLU GLU GLU 77 77 77 N 1 18.38 2.50 121.70 140.08 L L L C N CA GLU ASN ASN 78 79 79 Y 1 18.63 0.90 118.30 136.93 L L L CB CG OD1 ASP ASP ASP 88 88 88 N 1 -11.50 0.90 118.30 106.80 L L L CB CG OD2 ASP ASP ASP 88 88 88 N 1 -12.52 1.90 123.30 110.78 L L L OD1 CG OD2 ASP ASP ASP 89 89 89 N 1 14.28 0.90 118.30 132.58 L L L CB CG OD1 ASP ASP ASP 89 89 89 N 1 22.42 2.60 111.60 134.02 L L L CB CG CD GLN GLN GLN 94 94 94 N 1 14.93 2.40 116.70 131.63 L L L CG CD NE2 GLN GLN GLN 94 94 94 N 1 10.05 1.10 114.20 124.25 L L L CA CB SG CYS CYS CYS 96 96 96 N 1 26.44 2.20 113.40 139.84 L L L CA CB CG GLU GLU GLU 97 97 97 N 1 -9.61 1.60 122.70 113.09 L L L O C N GLU GLU CYS 97 97 98 Y 1 17.22 1.10 114.20 131.42 L L L CA CB SG CYS CYS CYS 98 98 98 N 1 9.02 0.90 118.30 127.32 L L L CB CG OD1 ASP ASP ASP 99 99 99 N 1 -9.41 0.90 118.30 108.89 L L L CB CG OD2 ASP ASP ASP 99 99 99 N 1 -9.75 1.50 110.10 100.35 L L L CB CA C ALA ALA ALA 101 101 101 N 1 9.68 1.50 110.10 119.78 L L L CB CA C ALA ALA ALA 103 103 103 N 1 9.12 1.50 110.80 119.92 L L L N CA CB CYS CYS CYS 105 105 105 N 1 -3.10 0.50 120.30 117.20 L L L NE CZ NH1 ARG ARG ARG 107 107 107 N 1 9.35 0.90 118.30 127.65 L L L CB CG OD1 ASP ASP ASP 108 108 108 N 1 -12.53 0.90 118.30 105.77 L L L CB CG OD2 ASP ASP ASP 108 108 108 N 1 11.60 1.90 113.40 125.00 L L L CA CB CG TYR TYR TYR 113 113 113 N 1 5.96 0.80 121.30 127.26 L L L CG CD1 CE1 TYR TYR TYR 113 113 113 N 1 -7.00 0.90 118.30 111.30 L L L CB CG OD1 ASP ASP ASP 114 114 114 N 1 13.59 0.90 118.30 131.89 L L L CB CG OD2 ASP ASP ASP 114 114 114 N 1 12.10 2.00 110.40 122.50 L L L CB CA C LYS LYS LYS 116 116 116 N 1 14.75 2.20 113.40 128.15 L L L CA CB CG LYS LYS LYS 116 116 116 N 1 5.59 0.60 121.00 126.59 L L L CB CG CD1 TYR TYR TYR 117 117 117 N 1 14.30 2.30 115.30 129.60 L L L CA CB CG LEU LEU LEU 119 119 119 N 1 -12.20 1.60 122.70 110.50 L L L O C N LEU LEU PHE 119 119 120 Y 1 9.74 1.50 119.30 129.04 L L L C N CA PRO PRO PRO 121 122 122 Y 1 -22.03 2.30 111.70 89.67 L L L CD CE NZ LYS LYS LYS 124 124 124 N 1 5.97 0.90 118.30 124.27 L L L CB CG OD2 ASP ASP ASP 125 125 125 N 1 -17.93 2.60 111.60 93.67 L L L CB CG CD ARG ARG ARG 127 127 127 N 1 -7.67 0.50 120.30 112.63 L L L NE CZ NH2 ARG ARG ARG 127 127 127 N 1 9.62 1.20 123.30 132.92 L L L OE1 CD OE2 GLU GLU GLU 128 128 128 N 1 29.07 2.20 113.40 142.47 L L L CA CB CG GLU GLU GLU 129 129 129 N 1 -17.79 2.70 114.20 96.41 L L L CB CG CD GLU GLU GLU 129 129 129 N 1 R R CB OG SER SER 1 1 -0.097 0.013 1.418 1.321 N 1 R R CD OE1 GLU GLU 6 6 -0.069 0.011 1.252 1.183 N 1 R R CZ NH2 ARG ARG 43 43 0.081 0.013 1.326 1.407 N 1 L L CB OG SER SER 1 1 -0.083 0.013 1.418 1.335 N 1 L L CD OE1 GLU GLU 6 6 -0.074 0.011 1.252 1.178 N 1 R ASN 79 71.68 55.27 1 R LEU 119 71.65 50.29 1 R LYS 124 -69.67 1.62 1 L ASP 39 -171.19 -165.61 1 L ASN 79 76.50 60.67 0.178 2.5 1 2.5 137 2029 0 0 1892 0.028 4.0 refinement PROLSQ CALCIUM-FREE PHOSPHOLIPASE A2 (E.C.3.1.1.4) THE REFINED CRYSTAL STRUCTURE OF DIMERIC PHOSPHOLIPASE A2 AT 2.5 ANGSTROMS. ACCESS TO A SHIELDED CATALYTIC CENTER 1 N N 1 N N 2 N N 2 N N THE ENZYME IS A DIMER COMPOSED OF TWO IDENTICAL SUBUNITS OF 122 RESIDUES EACH. THE *RIGHT* SUBUNIT HAS BEEN ASSIGNED CHAIN IDENTIFIER *R*. THE *LEFT* SUBUNIT HAS BEEN ASSIGNED CHAIN IDENTIFIER *L*. THE TRANSFORMATION PRESENTED ON THE *MTRIX* RECORDS BELOW WILL YIELD APPROXIMATE COORDINATES FOR THE *RIGHT* SUBUNIT (CHAIN *R*) WHEN APPLIED TO THE *LEFT* SUBUNIT (CHAIN *L*). R SER 1 A SER 1 HELX_P R ILE 12 A ILE 12 1 AR 12 R LEU 19 A LEU 18 HELX_P R TYR 22 A TYR 21 1 BR 4 R THR 41 A THR 40 HELX_P R LYS 54 A LYS 53 1 CR 14 R PRO 90 A PRO 80 HELX_P R ASN 109 A ASN 99 1 DR 20 L SER 1 B SER 1 HELX_P L ILE 12 B ILE 12 1 AL 12 L LEU 19 B LEU 18 HELX_P L TYR 22 B TYR 21 1 BL 4 L THR 41 B THR 40 HELX_P L LYS 54 B LYS 53 1 CL 14 L PRO 90 B PRO 80 HELX_P L ASN 109 B ASN 99 1 DL 20 disulf 1.985 R CYS 27 A SG CYS 26 1_555 R CYS 126 A SG CYS 115 1_555 disulf 1.981 R CYS 29 A SG CYS 28 1_555 R CYS 45 A SG CYS 44 1_555 disulf 1.908 R CYS 44 A SG CYS 43 1_555 R CYS 105 A SG CYS 95 1_555 disulf 1.937 R CYS 50 A SG CYS 49 1_555 R CYS 133 A SG CYS 122 1_555 disulf 1.967 R CYS 51 A SG CYS 50 1_555 R CYS 98 A SG CYS 88 1_555 disulf 1.933 R CYS 61 A SG CYS 57 1_555 R CYS 91 A SG CYS 81 1_555 disulf 1.892 R CYS 84 A SG CYS 75 1_555 R CYS 96 A SG CYS 86 1_555 disulf 2.212 L CYS 27 B SG CYS 26 1_555 L CYS 126 B SG CYS 115 1_555 disulf 1.968 L CYS 29 B SG CYS 28 1_555 L CYS 45 B SG CYS 44 1_555 disulf 1.888 L CYS 44 B SG CYS 43 1_555 L CYS 105 B SG CYS 95 1_555 disulf 2.020 L CYS 50 B SG CYS 49 1_555 L CYS 133 B SG CYS 122 1_555 disulf 2.039 L CYS 51 B SG CYS 50 1_555 L CYS 98 B SG CYS 88 1_555 disulf 2.037 L CYS 61 B SG CYS 57 1_555 L CYS 91 B SG CYS 81 1_555 disulf 2.197 L CYS 84 B SG CYS 75 1_555 L CYS 96 B SG CYS 86 1_555 HYDROLASE HYDROLASE given -.127250 .102900 -.986520 .097930 -.988440 -.115730 -.987020 -.111340 .115700 61.65457 79.66322 62.94765 PA2_CROAT UNP 1 1 P00624 SLVQFETLIMKIAGRSGLLWYSAYGCYCGWGGHGLPQDATDRCCFVHDCCYGKATDCNPKTVSYTYSEENGEIICGGDDP CGTQICECDKAAAICFRDNIPSYDNKYWLFPPKDCREEPEPC 1 122 1PP2 1 133 P00624 R 1 1 122 1 122 1PP2 1 133 P00624 L 1 1 122 2 2 anti-parallel anti-parallel R THR 74 A THR 65 R GLU 77 A GLU 68 R ILE 82 A ILE 73 R GLY 85 A GLY 76 L THR 74 B THR 65 L GLU 77 B GLU 68 L ILE 82 B ILE 73 L GLY 85 B GLY 76 RESIDUES FORMING THE CATALYTIC NETWORK Author 4 RESIDUES FORMING THE ACTIVATION NETWORK Author 4 RESIDUES FORMING THE CA2+ BINDING SITE DEDUCED FROM BOVINE STRUCTURE Author 4 RESIDUES FORMING THE CATALYTIC NETWORK Author 4 RESIDUES FORMING THE ACTIVATION NETWORK Author 4 RESIDUES FORMING THE CA2+ BINDING SITE DEDUCED FROM BOVINE STRUCTURE Author 4 R HIS 48 A HIS 47 4 1_555 R TYR 52 A TYR 51 4 1_555 R TYR 73 A TYR 64 4 1_555 R ASP 99 A ASP 89 4 1_555 R SER 1 A SER 1 4 1_555 R GLN 4 A GLN 4 4 1_555 R VAL 71 A VAL 62 4 1_555 R TYR 73 A TYR 64 4 1_555 R TYR 28 A TYR 27 4 1_555 R GLY 30 A GLY 29 4 1_555 R GLY 32 A GLY 31 4 1_555 R ASP 49 A ASP 48 4 1_555 L HIS 48 B HIS 47 4 1_555 L TYR 52 B TYR 51 4 1_555 L TYR 73 B TYR 64 4 1_555 L ASP 99 B ASP 89 4 1_555 L SER 1 B SER 1 4 1_555 L GLN 4 B GLN 4 4 1_555 L VAL 71 B VAL 62 4 1_555 L TYR 73 B TYR 64 4 1_555 L TYR 28 B TYR 27 4 1_555 L GLY 30 B GLY 29 4 1_555 L GLY 32 B GLY 31 4 1_555 L ASP 49 B ASP 48 4 1_555 19 P 21 21 21