Structure of PDB 4xk8 Chain a

Receptor sequence
>4xk8a (length=742) Species: 3888 (Pisum sativum) [Search protein sequence]
EVKILVDRDPIKTSFEQWAKPGHFSRTIAKGPDTTTWIWNLHADAHDFDS
HTSDLEEISRKVFSAHFGQLSIIFLWLSGMYFHGARFSNYEAWLNDPTHI
KPSAQVVWPIVGQEILNGDVGGGFRGIQITSGFFQIWRASGITSELQLYC
TAIGALVFAGLMLFAGWFHYHKAAPKLAWFQDVESMLNHHLAGLLGLGSL
SWAGHQVHVSLPINQFLNAGVDPKEIPLPHEFILNRDLLAQLYPSFAEGA
TPFFTLNWSKYADFLTFRGGLDPLTGGLWLTDIAHHHLAIAILFLIAGHM
YRTNWGIGHGIKDILEAHKGPFTGQGHKGLYEILTTSWHAQLSINLAMLG
SLTIVVAQHMYSMPPYPYLATDYATQLSLFTHHMWIGGFLIVGAAAHAAI
FMVRDYDPTTRYNDLLDRVLRHRDAIISHLNWVCIFLGFHSFGLYIHNDT
MSALGRPQDMFSDTAIQLQPVFAQWIQNTHALAPGTTAPGATASTSLTWG
GGDLVAVGGKVALLPIPLGTADFLVHHIHAFTIHVTVLILLKGVLFARSS
RLIPDKANLGFRFPCDGPGRGGTCQVSAWDHVFLGLFWMYNSISVVIFHF
SWKMQSDVWGTINDQGVVTHITAGNFAQSSITINGWLRDFLWAQASQVIQ
SYGSSLSAYGLFFLGAHFVWAFSLMFLFSGRGYWQELIESIVWAHNKLKV
APATQPRALSIVQGRAVGVTHYLLGGIATTWAFFLARIIAVG
3D structure
PDB4xk8 Structural basis for energy transfer pathways in the plant PSI-LHCI supercomplex
Chaina
Resolution2.8 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 CLA a I544 F547 Y606 N607 F614 W652 L657 F679 H683 W686 Y738 T745 T746 F749 I528 F531 Y590 N591 F598 W636 L641 F663 H667 W670 Y722 T729 T730 F733
BS02 CLA a F684 A687 F688 M691 Y699 W700 F668 A671 F672 M675 Y683 W684
BS03 CLA a F458 I462 F547 W604 N607 I649 W686 Y738 F442 I446 F531 W588 N591 I633 W670 Y722
BS04 CLA a P37 I54 L57 H58 P21 I38 L41 H42
BS05 CLA a W34 H39 F40 L57 A61 H62 G84 I88 W18 H23 F24 L41 A45 H46 G68 I72
BS06 CLA a H62 F64 V78 A81 H82 Q85 I89 F90 W354 H355 Q357 L358 N361 H46 F48 V62 A65 H66 Q69 I73 F74 W338 H339 Q341 L342 N345
BS07 CLA a H62 Q85 W92 H46 Q69 W76
BS08 CLA a L91 S94 G95 F98 H99 F103 W124 L75 S78 G79 F82 H83 F87 W108
BS09 CLA a M96 A120 Q121 I145 T146 S147 Y675 M80 A104 Q105 I129 T130 S131 Y659
BS10 CLA a Q121 V123 W124 I126 V127 Q129 Q105 V107 W108 I110 V111 Q113
BS11 CLA a I20 F79 F83 A181 F184 H185 W195 I4 F63 F67 A165 F168 H169 W179
BS12 CLA a T29 S30 Q33 W34 H39 K77 L179 G182 W183 Y186 H187 T13 S14 Q17 W18 H23 K61 L163 G166 W167 Y170 H171
BS13 CLA a V18 I20 W195 D198 H205 W321 V2 I4 W179 D182 H189 W305
BS14 CLA a F79 H82 F83 L86 W195 F196 M202 H205 H206 L210 F63 H66 F67 L70 W179 F180 M186 H189 H190 L194
BS15 CLA a G157 I158 Q163 T167 S217 W218 H221 H224 V225 P245 G141 I142 Q147 T151 S201 W202 H205 H208 V209 P229
BS16 CLA a L216 S217 G220 H224 I249 R252 F262 G265 L200 S201 G204 H208 I233 R236 F246 G249
BS17 CLA a C166 L244 H246 L250 C150 L228 H230 L234
BS18 CLA a W274 A278 L281 T282 H301 L304 A305 I308 I312 W258 A262 L265 T266 H285 L288 A289 I292 I296
BS19 CLA a F283 L294 D298 H301 H302 A305 I306 H375 M379 T511 F267 L278 D282 H285 H286 A289 I290 H359 M363 T495
BS20 CLA a L211 S215 W218 Q222 H302 H303 L368 V372 P381 Y382 L195 S199 W202 Q206 H286 H287 L352 V356 P365 Y366
BS21 CLA a H205 A208 G209 L213 H315 T319 W321 H189 A192 G193 L197 H299 T303 W305
BS22 CLA a L207 L309 F310 A313 M316 Y317 M364 L191 L293 F294 A297 M300 Y301 M348
BS23 CLA a I312 H315 M316 I323 G324 H325 I296 H299 M300 I307 G308 H309
BS24 CLA a H325 A333 H334 H309 A317 H318
BS25 CLA a H343 L346 L431 H327 L330 L415
BS26 CLA a M202 L203 L350 W354 Q357 I360 N361 M364 M186 L187 L334 W338 Q341 I344 N345 M348
BS27 CLA a I370 V371 Q374 I407 I549 T552 V553 I354 V355 Q358 I391 I533 T536 V537
BS28 CLA a M364 H375 S378 M379 W515 M348 H359 S362 M363 W499
BS29 CLA a W92 T146 S394 T397 H398 W401 F678 I743 W747 W76 T130 S378 T381 H382 W385 F662 I727 W731
BS30 CLA a I152 T369 M376 Y382 L395 H398 H399 I136 T353 M360 Y366 L379 H382 H383
BS31 CLA a A59 H62 D63 L358 L362 F405 G409 A412 H413 R420 R578 W595 A43 H46 D47 L342 L346 F389 G393 A396 H397 R404 R562 W579
BS32 CLA a F338 T339 R434 H438 H445 F322 T323 R418 H422 H429
BS33 CLA a H445 W448 H429 W432
BS34 CLA a W448 I451 F452 F455 H456 W432 I435 F436 F439 H440
BS35 CLA a F455 G459 L460 H463 M467 R472 D475 F477 F439 G443 L444 H447 M451 R456 D459 F461
BS36 CLA a W491 I492 T495 H496 A499 T503 W475 I476 T479 H480 A483 T487
BS37 CLA a F283 T503 P505 G506 F267 T487 P489 G490
BS38 CLA a F488 A489 I492 Q493 W515 I532 H542 H545 V612 H615 K619 F472 A473 I476 Q477 W499 I516 H526 H529 V596 H599 K603
BS39 CLA a L453 P486 F488 A489 D538 F539 H542 H543 L437 P470 F472 A473 D522 F523 H526 H527
BS40 CLA a L446 V449 H550 L430 V433 H534
BS41 CLA a I707 A710 H711 I691 A694 H695
BS42 CLA a T51 H711 P718 P722 T35 H695 P702 P706
BS43 CLA a W55 F688 L725 V733 T736 H737 W39 F672 L709 V717 T720 H721
BS44 CLA a W448 I451 W432 I435
BS45 PQN a M691 F692 S695 R697 W700 A724 L725 G730 M675 F676 S679 R681 W684 A708 L709 G714
BS46 CLA a K335 P337 F338 K319 P321 F322
BS47 SF4 a C581 G583 C590 C565 G567 C574
BS48 CLA a L677 L680 G681 H683 F684 A687 L661 L664 G665 H667 F668 A671
BS49 CLA a L653 L657 W658 L637 L641 W642
BS50 CLA a N447 I451 G454 F455 F547 L554 I555 F603 W604 N431 I435 G438 F439 F531 L538 I539 F587 W588
BS51 CLA a A469 L470 A453 L454
BS52 CLA a W709 K713 W693 K697
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:0009507 chloroplast
GO:0009522 photosystem I
GO:0009535 chloroplast thylakoid membrane
GO:0009579 thylakoid
GO:0016020 membrane

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:4xk8, PDBe:4xk8, PDBj:4xk8
PDBsum4xk8
PubMed26023133
UniProtP05310|PSAA_PEA Photosystem I P700 chlorophyll a apoprotein A1 (Gene Name=psaA)

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