Structure of PDB 7dr2 Chain bB

Receptor sequence
>7dr2bB (length=706) Species: 2762 (Cyanophora paradoxa) [Search protein sequence]
GTKFPKASQALAQDPTTRRIWYGIATANDFETNDGITEENLYQKIFASHF
GHLAIIFLWTSGNLFHVAWQGNFEQWVKDPLNTRPIAHAISDPHFGQRAI
EAFSQAGASSPVNISYSGVYQWWYTQGMRTNEELYNGAIFLLILSALSLF
AGWLHLQPKFRPNLSWFKNAESRLNHHLGGLFGTSSLAWTGHIVHVAIPE
SRGQHVGWDNFLQVAPHPAGLQPFFTGNWGVYTENPDTANHVFGSSDGAG
TAILTFLGGFHPQTQSLWLTDIAHHHLAIAVLFIVAGHMYGLYDTVNNSL
HFQLGLALAALGVITSLVAQHMYSIPPYAYLARDFTTQAALYTHHQYIAG
FLMVGAFAHGAIFLVRDYDAEQNKNNVLARIIDHKEAIISHLSWVSLFLG
FHTLGLYVHNDVVQAFGTPEKQILIEPVFAQWIQSVHGKSLYGFEVLLNN
ADSITRVAPGSAQPIWLPGWLDAINSGNNSLFLTIGPGDFLVHHAIALGL
HTTTLILVKGALDARGSKLMPDKKDFGYSFPCDGPGRGGTCDISAWDAFY
LAVFWMLNTIGWTTFYWHWKHLGVWQGNVAQFNESSTYLMGWFRDYLWLN
SSQLINGYNPFGMNNLSVWAWMFLFGHLIWATGFMFLISWRGYWQELIET
LVWAHERTPLANLVRWKDKPVALSIVQARLVGLAHFAVGYIVTYAAFLIA
STASKF
3D structure
PDB7dr2 Structural insights into an evolutionary turning-point of photosystem I from prokaryotes to eukaryotes
ChainbB
Resolution3.8 Å
3D
structure
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Enzymatic activity
Enzyme Commision number 1.97.1.12: photosystem I.
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 peptide bB K7 F66 A69 N132 E133 Y136 L143 L150 W154 L157 K6 F65 A68 N131 E132 Y135 L142 L149 W153 L156
BS02 CLA bB W651 L654 F655 L658 W660 A661 W621 L624 F625 L628 W630 A631
BS03 CLA bB S426 L427 G430 I536 L581 W585 S396 L397 G400 I506 L551 W555
BS04 CLA bB R687 P689 R657 P659
BS05 CLA bB W424 L427 W394 L397
BS06 CLA bB L681 H685 L651 H655
BS07 SF4 bB C562 G564 C571 W670 C532 G534 C541 W640
BS08 CLA bB L434 Y437 W592 F595 W622 L627 F653 H657 W660 Y720 T723 Y724 F727 L404 Y407 W562 F565 W592 L597 F623 H627 W630 Y690 T693 Y694 F697
BS09 CLA bB L434 V438 D441 W585 N588 W592 L619 F623 W660 L404 V408 D411 W555 N558 W562 L589 F593 W630
BS10 CLA bB A661 T662 M665 Y673 W674 A631 T632 M635 Y643 W644
BS11 CLA bB A28 N29 F31 S49 A27 N28 F30 S48
BS12 CLA bB F31 I46 H50 H53 F168 R174 L330 L334 A337 L338 F30 I45 H49 H52 F167 R173 L300 L304 A307 L308
BS13 CLA bB H53 W60 H52 W59
BS14 CLA bB L59 G63 F66 H67 W70 Q71 A90 L58 G62 F65 H66 W69 Q70 A89
BS15 CLA bB W60 N64 A88 H89 N114 S116 Y117 S118 V648 W649 W59 N63 A87 H88 N113 S115 Y116 S117 V618 W619
BS16 CLA bB I91 S92 D93 H95 N114 W651 I90 S91 D92 H94 N113 W621
BS17 CLA bB P94 H95 P93 H94
BS18 CLA bB F47 F51 A152 H156 F161 W167 F46 F50 A151 H155 F160 W166
BS19 CLA bB F47 H50 F51 W167 S173 R174 H177 H178 L182 F46 H49 F50 W166 S172 R173 H176 H177 L181
BS20 CLA bB Q127 G128 M129 F141 A189 W190 G192 H193 H196 V197 G208 W209 Q126 G127 M128 F140 A188 W189 G191 H192 H195 V196 G207 W208
BS21 CLA bB L188 A189 T191 G192 V195 H196 V215 A216 P217 G221 L187 A188 T190 G191 V194 H195 V214 A215 P216 G220
BS22 CLA bB W230 T234 F257 H275 L278 A279 I495 W229 T233 F256 H274 L277 A278 I465
BS23 CLA bB F257 H276 A279 H351 W500 F256 H275 A278 H321 W470
BS24 CLA bB W123 T126 Q127 W190 I273 H276 H277 F284 L347 V348 P357 Y358 W122 T125 Q126 W189 I272 H275 H276 F283 L317 V318 P327 Y328
BS25 CLA bB S346 Q376 M383 F387 L530 T533 T534 S316 Q346 M353 F357 L500 T503 T504
BS26 CLA bB A340 V343 H351 S354 I355 W500 F512 A310 V313 H321 S324 I325 W470 F482
BS27 CLA bB W60 S118 H374 Y377 I721 A725 W59 S117 H344 Y347 I691 A695
BS28 CLA bB W60 W123 S186 L341 V348 Y358 L371 H374 H375 I378 W59 W122 S185 L311 V318 Y328 L341 H344 H345 I348
BS29 CLA bB A26 N29 D30 L334 L338 G385 H389 Y558 W576 F579 A25 N28 D29 L304 L308 G355 H359 Y528 W546 F549
BS30 CLA bB A417 H421 W424 A387 H391 W394
BS31 CLA bB W424 L427 F428 H432 W394 L397 F398 H402
BS32 CLA bB G435 H439 K451 I453 G405 H409 K421 I423
BS33 CLA bB I463 V466 H467 T485 W500 I433 V436 H437 T455 W470
BS34 CLA bB Y353 F459 A460 I463 Q464 F512 L513 H523 T593 Y596 Y323 F429 A430 I433 Q434 F482 L483 H493 T563 Y566
BS35 CLA bB F428 L429 P457 V458 F459 A460 F520 H523 H524 F398 L399 P427 V428 F429 A430 F490 H493 H494
BS36 CLA bB I418 L422 V425 A527 H531 I388 L392 V395 A497 H501
BS37 CLA bB T18 W22 H685 W696 K697 P700 T17 W21 H655 W666 K667 P670
BS38 CLA bB F655 L658 I659 T662 F666 V711 H715 F625 L628 I629 T632 F636 V681 H685
BS39 PQN bB F666 S669 W670 R671 W674 A702 L703 A708 F636 S639 W640 R641 W644 A672 L673 A678
Gene Ontology
Molecular Function
GO:0000287 magnesium ion binding
GO:0009055 electron transfer activity
GO:0016168 chlorophyll binding
GO:0016491 oxidoreductase activity
GO:0046872 metal ion binding
GO:0051539 4 iron, 4 sulfur cluster binding
Biological Process
GO:0015979 photosynthesis
Cellular Component
GO:0009522 photosystem I
GO:0009579 thylakoid
GO:0009842 cyanelle
GO:0016020 membrane
GO:0033115 cyanelle thylakoid membrane
GO:0042651 thylakoid membrane

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Molecular Function
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Biological Process
View graph for
Cellular Component
External links
PDB RCSB:7dr2, PDBe:7dr2, PDBj:7dr2
PDBsum7dr2
PubMed
UniProtP48113|PSAB_CYAPA Photosystem I P700 chlorophyll a apoprotein A2 (Gene Name=psaB)

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