Structure of PDB 6nwa Chain B

Receptor sequence
>6nwaB (length=729) Species: 1148 (Synechocystis sp. PCC 6803) [Search protein sequence]
TKFPKFSQDLAQDPTTRRIWYGIATAHDFETHDGMTEENLYQKIFASHFG
HIAIIFLWTSGTLFHVAWQGNFEQWIKDPLNIRPIAHAIWDPHFGEGAVN
AFTQAGASNPVNIAYSGVYHWFYTIGMTTNQELYSGAVFLLVLASLFLFA
GWLHLQPKFRPSLAWFKNAESRLNHHLAGLFGVSSLAWAGHLVHVAIPEA
RGQHVGWDNFLSTPPHPAGLMPFFTGNWGVYAADPDTAGHIFGTSEGAGT
AILTFLGGFHPQTESLWLTDIAHHHLAIAVIFIIAGHMYRTNWGIGHSIK
EILNAHKGPLTGAGHTNLYDTINNSLHFQLGLALASLGVITSLVAQHMYS
LPSYAFIAQDHTTQAALYTHHQYIAGFLMVGAFAHGAIFFVRDYDPVANK
DNVLARMLEHKEALISHLSWVSLFLGFHTLGLYVHNDVVVAFGTPEKQIL
IEPVFAQWIQATSGKALYGFDVLLSNPDSIASTTGAAWLPGWLDAINSGT
NSLFLTIGPGDFLVHHAIALGLHTTALILIKGALDARGSKLMPDKKDFGY
SFPCDGPGRGGTCDISAWDAFYLAMFWMLNTLGWLTFYWHWKHLGVWSGN
VAQFNENSTYLMGWFRDYLWANSAQLINGYNPYGVNNLSVWAWMFLFGHL
VWATGFMFLISWRGYWQELIETIVWAHERTPLANLVRWKDKPVALSIVQA
RLVGLAHFTVGYVLTYAAFLIASTAGKFG
3D structure
PDB6nwa The structure of the stress-induced photosystem I-IsiA antenna supercomplex.
ChainB
Resolution3.48 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 CLA B S424 L425 G428 F429 L522 L529 I530 L575 W579 S422 L423 G426 F427 L520 L527 I528 L573 W577
BS02 CLA B W645 L648 F649 H651 L652 A655 W643 L646 F647 H649 L650 A653
BS03 CLA B S418 S421 W422 L425 S416 S419 W420 L423
BS04 CLA B I675 A678 H679 T682 I673 A676 H677 T680
BS05 SF4 B C556 G558 C565 I699 C554 G556 C563 I697
BS06 CLA B L432 V436 W579 N582 W586 L613 F617 L430 V434 W577 N580 W584 L611 F615
BS07 CLA B Y435 A519 W586 F589 W616 L621 S625 I629 F647 H651 W654 Y714 T717 Y718 F721 Y433 A517 W584 F587 W614 L619 S623 I627 F645 H649 W652 Y712 T715 Y716 F719
BS08 CLA B A655 T656 F658 M659 Y667 W668 L671 A653 T654 F656 M657 Y665 W666 L669
BS09 CLA B F5 F8 A28 H29 I56 F3 F6 A26 H27 I54
BS10 CLA B H29 I46 S49 H50 H53 R174 L328 H329 L332 A335 H27 I44 S47 H48 H51 R172 L326 H327 L330 A333
BS11 CLA B H29 H53 I57 W60 F379 H27 H51 I55 W58 F377
BS12 CLA B W60 F66 H67 W70 Q71 W58 F64 H65 W68 Q69
BS13 CLA B A88 N114 A116 Y117 S118 V642 W643 A86 N112 A114 Y115 S116 V640 W641
BS14 CLA B I91 W92 D93 H95 V642 W645 I89 W90 D91 H93 V640 W643
BS15 CLA B F51 A152 L155 H156 F161 W167 F49 A150 L153 H154 F159 W165
BS16 CLA B W167 S173 H177 W295 W165 S171 H175 W293
BS17 CLA B F47 H50 F51 W123 W167 S173 R174 H177 H178 G181 L182 F183 F45 H48 F49 W121 W165 S171 R172 H175 H176 G179 L180 F181
BS18 CLA B M129 A189 W190 H193 H196 V197 G208 W209 F212 M127 A187 W188 H191 H194 V195 G206 W207 F210
BS19 CLA B L188 A189 H196 P216 P217 G221 L222 L278 L186 A187 H194 P214 P215 G219 L220 L276
BS20 CLA B F225 W230 L255 H275 L278 A279 V282 A489 F223 W228 L253 H273 L276 A277 V280 A487
BS21 CLA B F257 D272 H275 H276 I280 H349 L353 W494 F255 D270 H273 H274 I278 H347 L351 W492
BS22 CLA B S186 W190 H276 H277 I280 L345 S355 S184 W188 H274 H275 I278 L343 S353
BS23 CLA B L179 F284 A287 M290 Y291 L177 F282 A285 M288 Y289
BS24 CLA B H177 H289 T293 I297 H175 H287 T291 I295
BS25 CLA B I286 H289 M290 I297 H299 I284 H287 M288 I295 H297
BS26 CLA B H299 I304 H308 H297 I302 H306
BS27 CLA B H317 V405 H315 V403
BS28 CLA B A171 R174 H178 Y321 L334 A335 S338 I342 A169 R172 H176 Y319 L332 A333 S336 I340
BS29 CLA B S344 L345 M381 F385 L524 T527 S342 L343 M379 F383 L522 T525
BS30 CLA B L345 Q348 H349 S352 L343 Q346 H347 S350
BS31 CLA B W60 A368 T371 H372 Y375 M646 V715 A719 I723 W58 A366 T369 H370 Y373 M644 V713 A717 I721
BS32 CLA B W60 T61 W123 T343 V346 M350 Y356 L369 H372 H373 I376 W58 T59 W121 T341 V344 M348 Y354 L367 H370 H371 I374
BS33 CLA B A26 H29 D30 L332 L336 F379 G383 H387 I390 Y552 W570 F573 V712 A24 H27 D28 L330 L334 F377 G381 H385 I388 Y550 W568 F571 V710
BS34 CLA B L312 T313 R408 M409 H412 L416 H419 L310 T311 R406 M407 H410 L414 H417
BS35 CLA B H419 W422 H417 W420
BS36 CLA B W422 L425 F426 H430 W420 L423 F424 H428
BS37 CLA B H430 G433 V436 H437 K449 I451 H428 G431 V434 H435 K447 I449
BS38 CLA B W460 I461 T464 S465 L475 L476 W494 W458 I459 T462 S463 L473 L474 W492
BS39 CLA B L475 I482 A483 T486 W490 L473 I480 A481 T484 W488
BS40 CLA B Q348 Y351 I461 Q462 F506 L507 I509 H517 I520 Y590 W591 Q346 Y349 I459 Q460 F504 L505 I507 H515 I518 Y588 W589
BS41 CLA B F426 L427 P455 V456 F457 A458 F514 H517 H518 F424 L425 P453 V454 F455 A456 F512 H515 H516
BS42 CLA B L420 V423 H525 L418 V421 H523
BS43 CLA B T18 W22 H679 P694 T16 W20 H677 P692
BS44 CLA B F649 T656 F660 V705 A708 H709 F647 T654 F658 V703 A706 H707
BS45 CLA B K309 P311 L312 K307 P309 L310
BS46 PQN B W22 M659 F660 S663 W664 R665 W668 A696 L697 A702 W20 M657 F658 S661 W662 R663 W666 A694 L695 A700
BS47 CLA B F151 W154 F149 W152
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:0005886 plasma membrane
GO:0009522 photosystem I
GO:0009579 thylakoid
GO:0016020 membrane
GO:0031676 plasma membrane-derived thylakoid membrane
GO:0042651 thylakoid membrane

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:6nwa, PDBe:6nwa, PDBj:6nwa
PDBsum6nwa
PubMed31133699
UniProtP29255|PSAB_SYNY3 Photosystem I P700 chlorophyll a apoprotein A2 (Gene Name=psaB)

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