Structure of PDB 8j7b Chain B

Receptor sequence
>8j7bB (length=732) Species: 3702 (Arabidopsis thaliana) [Search protein sequence]
LRFPRFSQGLAQDPTTRRIWFGIATAHDFESHDDITEERLYQNIFASHFG
QLAIIFLWTSGNLFHVAWQGNFETWVQDPLHVRPIAHAIWDPHFGQPAVE
AFTRGGALGPVNIAYSGVYQWWYTIGLRTNEDLYTGALFLLFLSALSLIG
GWLHLQPKWKPRVSWFKNAESRLNHHLSGLFGVSSLAWTGHLVHVAIPAS
RGEYVRWNNFLNVLPHPQGLGPLFTGQWNLYAQNPDSSSHLFGTSQGSGT
AILTLLGGFHPQTQSLWLTDMAHHHLAIAILFLIAGHMYRTNFGIGHSIK
DLLEAHIPPGGRLGRGHKGLYDTINNSIHFQLGLALASLGVITSLVAQHM
YSLPAYAFIAQDFTTQAALYTHHQYIAGFIMTGAFAHGAIFFIRDYNPEQ
NEDNVLARMLDHKEAIISHLSWASLFLGFHTLGLYVHNDVMLAFGTPEKQ
ILIEPIFAQWIQSAHGKTSYGFDVLLSSTSGPAFNAGRSIWLPGWLNAIN
ENSNSLFLTIGPGDFLVHHAIALGLHTTTLILVKGALDARGSKLMPDKKD
FGYSFPCDGPGRGGTCDISAWDAFYLAVFWMLNTIGWVTFYWHWKHITLW
QGNVSQFNESSTYLMGWLRDYLWLNSSQLINGYNPFGMNSLSVWAWMFLF
GHLVWATGFMFLISWRGYWQELIETLAWAHERTPLANLIRWKDKPVALSI
VQARLVGLAHFSVGYIFTYAAFLIASTSGKFG
3D structure
PDB8j7b Cryo-EM structure of the Arabidopsis thaliana photosystem I(PSI-LHCII-ST2)
ChainB
Resolution3.22 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 W648 L651 L655 A658 W646 L649 L653 A656
BS02 CLA B S426 L427 G430 F431 I533 W582 S424 L425 G428 F429 I531 W580
BS03 CLA B L678 A681 H682 L676 A679 H680
BS04 SF4 B C559 C568 W667 C557 C566 W665
BS05 CLA B W582 N585 W580 N583
BS06 CLA B W190 M273 H276 H277 I280 V348 Y358 W188 M271 H274 H275 I278 V346 Y356
BS07 CLA B L315 R410 M411 H414 H421 L313 R408 M409 H412 H419
BS08 CLA B L429 P457 F459 F517 H520 H521 L427 P455 F457 F515 H518 H519
BS09 CLA B H289 M290 H299 H287 M288 H297
BS10 CLA B F31 I46 S49 H50 Q53 R174 L334 F29 I44 S47 H48 Q51 R172 L332
BS11 CLA B V343 L347 H351 Y353 S354 V341 L345 H349 Y351 S352
BS12 CLA B A488 W493 A486 W491
BS13 CLA B I463 H467 L478 I461 H465 L476
BS14 CLA B G435 V438 H439 M443 I453 G433 V436 H437 M441 I451
BS15 CLA B N64 A88 H89 A116 W646 N62 A86 H87 A114 W644
BS16 CLA B L179 F284 A287 M290 Y291 L177 F282 A285 M288 Y289
BS17 CLA B I91 W92 D93 H95 I89 W90 D91 H93
BS18 CLA B F47 F51 L155 H156 W161 W167 F45 F49 L153 H154 W159 W165
BS19 CLA B W230 L257 H275 L278 A279 W228 L255 H273 L276 A277
BS20 CLA B H308 I309 P310 P311 H306 I307 P308 P309
BS21 CLA B G128 L129 F141 A189 W190 G192 H193 H196 V197 R208 W209 F212 G126 L127 F139 A187 W188 G190 H191 H194 V195 R206 W207 F210
BS22 CLA B W60 S118 A370 T373 H374 Y377 W58 S116 A368 T371 H372 Y375
BS23 CLA B T61 W123 S186 A189 T345 V348 M352 Y358 H374 H375 I378 T59 W121 S184 A187 T343 V346 M350 Y356 H372 H373 I376
BS24 PQN B M662 F663 S666 W667 R668 W671 A699 L700 A705 M660 F661 S664 W665 R666 W669 A697 L698 A703
BS25 CLA B F47 H50 W123 W167 R174 H177 H178 L182 F45 H48 W121 W165 R172 H175 H176 L180
BS26 CLA B W167 H177 W165 H175
BS27 CLA B H29 Q53 I56 I57 H27 Q51 I54 I55
BS28 CLA B A171 R174 L175 H178 I301 Y323 L336 A169 R172 L173 H176 I299 Y321 L334
BS29 CLA B S346 Q350 M383 L527 T531 S344 Q348 M381 L525 T529
BS30 CLA B W424 F428 F431 H432 W422 F426 F429 H430
BS31 CLA B H682 W693 K694 P697 H680 W691 K692 P695
BS32 CLA B W589 F650 H654 W657 Y717 T720 Y721 F724 W587 F648 H652 W655 Y715 T718 Y719 F722
BS33 CLA B F66 H67 F64 H65
BS34 CLA B H177 S180 H289 F295 H175 S178 H287 F293
BS35 CLA B T191 H196 L216 P217 G221 L222 T189 H194 L214 P215 G219 L220
BS36 CLA B A658 T659 F661 M662 I665 S666 Y670 W671 A656 T657 F659 M660 I663 S664 Y668 W669
BS37 CLA B A26 D30 L334 G385 H389 R396 F576 A24 D28 L332 G383 H387 R394 F574
BS38 CLA B A28 H29 I56 A26 H27 I54
BS39 CLA B H276 H351 W497 H274 H349 W495
BS40 CLA B H299 L304 H308 H297 L302 H306
BS41 CLA B Y353 A460 I463 Q464 H520 V590 Y593 Y351 A458 I461 Q462 H518 V588 Y591
BS42 CLA B L655 F663 H712 L653 F661 H710
BS43 CLA B L422 H528 L420 H526
BS44 CLA B F459 W462 F457 W460
Gene Ontology
Molecular Function
GO:0000287 magnesium ion binding
GO:0003729 mRNA 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:0009507 chloroplast
GO:0009522 photosystem I
GO:0009534 chloroplast thylakoid
GO:0009535 chloroplast thylakoid membrane
GO:0009536 plastid
GO:0009579 thylakoid
GO:0009941 chloroplast envelope
GO:0016020 membrane

View graph for
Molecular Function
View graph for
Biological Process
View graph for
Cellular Component
External links
PDB RCSB:8j7b, PDBe:8j7b, PDBj:8j7b
PDBsum8j7b
PubMed37936349
UniProtP56767|PSAB_ARATH Photosystem I P700 chlorophyll a apoprotein A2 (Gene Name=psaB)

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