Structure of PDB 7qco Chain B

Receptor sequence
>7qcoB (length=734) Species: 1378066 (Chroococcidiopsis sp. TS-821) [Search protein sequence]
TKFPKFSQDLAQDPTTRRLWYGIATAHDFETHDGMTEENLYQKLFATHFG
HVAIIFLWTSSLLFHVAWQGNFEQWIKDPLNVRPIAHAIWDPHFGKAAVD
AFTQAGATYPVNIAYSGVYHWWYTIGMRTNNDLYSGAVFLLILAGVFLFA
GWLHLQPKFRPSLSWFKSAEPRLNHHLAGLFGVSSLAWTGHLVHVAIPES
RGQHVGWDNFLTTLPHPEGLRPFFTGNWGVYAANPDTANHVFGTSQGAGT
AILTFLGGFHPQTQSLWLTDMAHHHLAIAVLFIIAGHMYRTNFGIGHSIK
EMLNAKNFFGTKTEGQFNLPHQGLYDTINNSLHFQLSLALAALGTITSLV
AQHMYALPPYAFMGQDFTTQAALYTHHQYIAVFLMVGAFAHAGIFWVRDY
DAEQNKGNVLDRVLQHKEAIISHLSWVSLFLGFHTLGLYVHNDVVVAFGT
PEKQILIEPVFAQFIQASHGKVLYGLNTLLSNPDSVASTAGAAWLPGWLD
AINNGTNSLFLTIGPGDFLVHHAFALGIHTTVLVLVKGALDARGSKLMPD
KKDFGYAFPCDGPGRGGTCDISAWDAFYLALFWALNTVGWVTFYWHWKHL
GIWQGNVAQFNESSTYLMGWLRDYLWLYSAQLINGYNPYGMNNLSVWAWM
FLFGHLVWATGFMFLISWRGYWQELIETLVWAHERTPLASLVRWKDKPVA
MSIVQGRLVGLAHFTVGYVLTYAAFVIASTAGKF
3D structure
PDB7qco Cryo-EM structure of a tetrameric photosystem I from Chroococcidiopsis TS-821, a thermophilic, unicellular, non-heterocyst-forming cyanobacterium.
ChainB
Resolution3.7 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 S430 L431 G434 W585 S428 L429 G432 W583
BS02 CLA B W651 L654 H657 L658 W660 A661 W649 L652 H655 L656 W658 A659
BS03 CLA B W428 L431 W426 L429
BS04 CLA B W585 N588 L619 W583 N586 L617
BS05 CLA B W683 T688 P689 W681 T686 P687
BS06 CLA B L681 H685 L679 H683
BS07 SF4 B C562 G564 P565 C571 C560 G562 P563 C569
BS08 CLA B L627 H657 W660 Y720 T723 L625 H655 W658 Y718 T721
BS09 CLA B L658 A661 T662 M665 W674 L656 A659 T660 M663 W672
BS10 CLA B F8 A28 H29 F6 A26 H27
BS11 CLA B L46 H50 H53 L338 L44 H48 H51 L336
BS12 CLA B H29 H53 W60 H27 H51 W58
BS13 CLA B S63 F66 H67 W70 S61 F64 H65 W68
BS14 CLA B A88 H89 N114 I115 A116 Y117 S118 W649 A86 H87 N112 I113 A114 Y115 S116 W647
BS15 CLA B I91 W92 D93 H95 V648 I89 W90 D91 H93 V646
BS16 CLA B P94 H95 P92 H93
BS17 CLA B W167 H177 W165 H175
BS18 CLA B F51 W167 R174 H177 H178 G181 L182 F49 W165 R172 H175 H176 G179 L180
BS19 CLA B F141 A189 H193 H196 G208 W209 F212 F139 A187 H191 H194 G206 W207 F210
BS20 CLA B H196 T215 P217 L222 H194 T213 P215 L220
BS21 CLA B W230 G231 L255 H275 W496 W228 G229 L253 H273 W494
BS22 CLA B F257 L268 D272 H275 H276 A279 F255 L266 D270 H273 H274 A277
BS23 CLA B F183 W190 M273 H276 I280 Y362 F181 W188 M271 H274 I278 Y360
BS24 CLA B F284 M290 Y291 I301 F282 M288 Y289 I299
BS25 CLA B H289 T293 F295 H287 T291 F293
BS26 CLA B I286 M290 G298 H299 I284 M288 G296 H297
BS27 CLA B M304 A307 F310 Q318 F319 M302 A305 F308 Q316 F317
BS28 CLA B L305 Q318 F319 H323 V411 L303 Q316 F317 H321 V409
BS29 CLA B R174 L175 R172 L173
BS30 CLA B S350 Q354 I530 V534 S348 Q352 I528 V532
BS31 CLA B L351 H355 F512 L349 H353 F510
BS32 CLA B W60 S118 H378 W58 S116 H376
BS33 CLA B T61 W123 T349 H379 T59 W121 T347 H377
BS34 CLA B H29 D30 G389 H393 H27 D28 G387 H391
BS35 CLA B R414 H418 R412 H416
BS36 CLA B W428 F432 F435 H436 H443 W426 F430 F433 H434 H441
BS37 CLA B V442 H443 V446 K455 V440 H441 V444 K453
BS38 CLA B I467 H471 W500 I465 H469 W498
BS39 CLA B A492 G493 A490 G491
BS40 CLA B F463 F512 Y596 W597 F461 F510 Y594 W595
BS41 CLA B P461 F463 F520 H524 P459 F461 F518 H522
BS42 CLA B H685 R695 W696 K697 P700 H683 R693 W694 K695 P698
BS43 CLA B W22 F655 L658 F666 V711 H715 W20 F653 L656 F664 V709 H713
BS44 PQN B S669 R671 W674 M703 S667 R669 W672 M701
BS45 CLA B A152 H156 W167 A150 H154 W165
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:0016020 membrane
GO:0031676 plasma membrane-derived thylakoid membrane
GO:0042651 thylakoid membrane

View graph for
Molecular Function
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Biological Process
View graph for
Cellular Component
External links
PDB RCSB:7qco, PDBe:7qco, PDBj:7qco
PDBsum7qco
PubMed35059628
UniProtA0A2S6VGS2

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