Structure of PDB 7dz8 Chain A

Receptor sequence

>7dz8A (length=741) Species: 3055 (Chlamydomonas reinhardtii)

KKVKIAVDRNPVETSFEKWAKPGHFSRTLSKGPNTTTWIWNLHADAHDFD
SHTSDLEEISRKVFSAHFGQLGIIFIWLSGMYFHGARFSNYEAWLSDPTH
IKPSAQVVWPIVGQEILNGDVGGGFQGIQITSGFFQLWRASGITSELQLY
TTAIGGLVMAAAMFFAGWFHYHKAAPKLEWFQNVESMLNHHLGGLLGLGS
LAWAGHQIHVSLPVNKLLDAGVDPKEIPLPHDLLLNRAIMADLYPSFAKG
IAPFFTLNWSEYSDFLTFKGGLNPVTGGLWLSDTAHHHVAIAVLFLVAGH
MYRTNWGIGHSMKEILEAHRGPFTGEGHVGLYEILTTSWHAQLAINLALF
GSLSIIVAHHMYAMPPYPYLATDYGTQLSLFTHHTWIGGFCIVGAGAHAA
IFMVRDYDPTNNYNNLLDRVIRHRDAIISHLNWVCIFLGFHSFGLYIHND
TMSALGRPQDMFSDTAIQLQPVFAQWIQNTHFLAPQLTAPNALAATSLTW
GGDLVAVGGKVAMMPISLGTSDFMVHHIHAFTIHVTVLILLKGVLFARSS
RLIPDKANLGFRFPCDGPGRGGTCQVSAWDHVFLGLFWMYNSLSIVIFHF
SWKMQSDVWGTVTASGVSHITGGNFAQSANTINGWLRDFLWAQSSQVIQS
YGSALSAYGLIFLGAHFVWAFSLMFLFSGRGYWQELIESIVWAHNKLKVA
PAIQPRALSITQGRAVGVAHYLLGGIATTWSFFLARIISVG

3D structure

• PDB: 7dz8 Structural basis of LhcbM5-mediated state transitions in green algae.
• Chain: A
• Resolution: 3.16 Å

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	F453 Y600 N601 I605 F608 I642 W645 L650 S654 F672 H676 W679 Y731 G735 T738 T739 F742	F443 Y590 N591 I595 F598 I632 W635 L640 S644 F662 H666 W669 Y721 G725 T728 T729 F732
BS02	CLA	A	F677 A680 F681 L683 M684 Y692 W693 L696	F667 A670 F671 L673 M674 Y682 W683 L686
BS03	CLA	A	F453 I457 F541 W598 N601 I642 Y731	F443 I447 F531 W588 N591 I632 Y721
BS04	CLA	A	P32 I49 L52 H53	P22 I39 L42 H43
BS05	CLA	A	W29 H34 F35 L52 H53 A56 H57 I83 F174	W19 H24 F25 L42 H43 A46 H47 I73 F164
BS06	CLA	A	H57 V73 A76 H77 Q80 F85 W349 H350 Q352 L353 N356	H47 V63 A66 H67 Q70 F75 W339 H340 Q342 L343 N346
BS07	CLA	A	H57 Q80 I84 W87 F360 F400 C401	H47 Q70 I74 W77 F350 F390 C391
BS08	CLA	A	W87 G90 F93 H94 F98 W119	W77 G80 F83 H84 F88 W109
BS09	CLA	A	M91 Q116 I140 T141 S142 Y668	M81 Q106 I130 T131 S132 Y658
BS10	CLA	A	Q116 V118 W119 V122 Q124 L127	Q106 V108 W109 V112 Q114 L117
BS11	CLA	A	I15 F74 F78 M173 A176 F179 H180 A184 W190	I5 F64 F68 M163 A166 F169 H170 A174 W180
BS12	CLA	A	V22 T24 S25 K28 W29 H34 K72 S75 G177 W178 Y181 H182	V12 T14 S15 K18 W19 H24 K62 S65 G167 W168 Y171 H172
BS13	CLA	A	V13 I15 W190 S196 H200 T314	V3 I5 W180 S186 H190 T304
BS14	CLA	A	F74 H77 F78 L81 W190 M197 H200 H201	F64 H67 F68 L71 W180 M187 H190 H191
BS15	CLA	A	S151 G152 Q158 T162 A212 W213 H216 V220 P240	S141 G142 Q148 T152 A202 W203 H206 V210 P230
BS16	CLA	A	G215 H219 L244 R247 F257 G260 I261 Y272	G205 H209 L234 R237 F247 G250 I251 Y262
BS17	CLA	A	L157 T161 H241	L147 T151 H231
BS18	CLA	A	W269 L276 H296 V299 A300 V303 N501	W259 L266 H286 V289 A290 V293 N491
BS19	CLA	A	F278 L289 D293 T294 H296 H297 I301 H370 M374	F268 L279 D283 T284 H286 H287 I291 H360 M364
BS20	CLA	A	L206 W213 H297 H298 I301 F305 L363 I366 V367 P376 Y377	L196 W203 H287 H288 I291 F295 L353 I356 V357 P366 Y367
BS21	CLA	A	N199 H200 L208 H310 T314 W316 I318	N189 H190 L198 H300 T304 W306 I308
BS22	CLA	A	L198 L202 F305 A308 M311 Y312 V430	L188 L192 F295 A298 M301 Y302 V420
BS23	CLA	A	V307 M311 G319 H320	V297 M301 G309 H310
BS24	CLA	A	H320 I325 A328 H329	H310 I315 A318 H319
BS25	CLA	A	H329 H338 L341 L426	H319 H328 L331 L416
BS26	CLA	A	L66 F191 V194 M197 L198 H201 M322 L345 T346 S348 W349 Q352 I355 L359	L56 F181 V184 M187 L188 H191 M312 L335 T336 S338 W339 Q342 I345 L349
BS27	CLA	A	I365 H369 I402 V547 S602	I355 H359 I392 V537 S592
BS28	CLA	A	L359 L363 I366 H370 A373 M374 S507 W510	L349 L353 I356 H360 A363 M364 S497 W500
BS29	CLA	A	W87 M91 S389 T392 H393 W396 I397 I736 W740	W77 M81 S379 T382 H383 W386 I387 I726 W730
BS30	CLA	A	W87 L88 S142 G143 F144 L206 F360 V367 M371 Y377 L390 H393 H394 I397	W77 L78 S132 G133 F134 L196 F350 V357 M361 Y367 L380 H383 H384 I387
BS31	CLA	A	A54 H57 L353 L357 F400 G404 H408 I411 R415 F571 W589	A44 H47 L343 L347 F390 G394 H398 I401 R405 F561 W579
BS32	CLA	A	F333 T334 R429 V430 H433 I437 H440	F323 T324 R419 V420 H423 I427 H430
BS33	CLA	A	H440 W443	H430 W433
BS34	CLA	A	W443 F447 F450 H451	W433 F437 F440 H441
BS35	CLA	A	F450 G454 I457 H458 M462 R467 D470	F440 G444 I447 H448 M452 R457 D460
BS36	CLA	A	W486 H491 A494 T498	W476 H481 A484 T488
BS37	CLA	A	F278 T498 P500 N501	F268 T488 P490 N491
BS38	CLA	A	H369 Y372 I487 Q488 W510 I526 H536 H539 V606 H609 K613	H359 Y362 I477 Q478 W500 I516 H526 H529 V596 H599 K603
BS39	CLA	A	F447 L448 P481 V482 F483 A484 F533 H536 H537 A540	F437 L438 P471 V472 F473 A474 F523 H526 H527 A530
BS40	CLA	A	I437 L441 I543 H544	I427 L431 I533 H534
BS41	CLA	A	I700 H704	I690 H694
BS42	CLA	A	W50 F681 L718 V726 H730	W40 F671 L708 V716 H720
BS43	CLA	A	W443 I446	W433 I436
BS44	PQN	A	W50 M684 F685 S688 R690 W693 A717 L718 G723	W40 M674 F675 S678 R680 W683 A707 L708 G713
BS45	CLA	A	H329 R330 P332 F333	H319 R320 P322 F323
BS46	SF4	A	C575 G577 C584	C565 G567 C574
BS47	CLA	A	L670 L673 H676 F677 A680	L660 L663 H666 F667 A670
BS48	CLA	A	L646 W651	L636 W641
BS49	CLA	A	N442 I446 G449 F450 F541 L548 I549 W598	N432 I436 G439 F440 F531 L538 I539 W588
BS50	CLA	A	T461 A464 L465	T451 A454 L455
BS51	CLA	A	T46 I49 W50 H704 P711 P715	T36 I39 W40 H694 P701 P705
BS52	CLA	A	F265 L267	F255 L257

Gene Ontology

Molecular Function

• GO:0000287 magnesium ion binding
• GO:0005515 protein 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

External links

• PDB: RCSB:7dz8, PDBe:7dz8, PDBj:7dz8
• PDBsum: 7dz8
• PubMed: 34239095
• UniProt: P12154|PSAA_CHLRE Photosystem I P700 chlorophyll a apoprotein A1 (Gene Name=psaA)