Structure of PDB 6zzy Chain A

Receptor sequence

>6zzyA (length=741) Species: 2649997 (Chlorella ohadii)

KKVKIVVDRNPVATNFEKWAKPGHFSRTLSKGPTTTTWIWNLHADAHDFD
TQTSDLEEISRKVFSAHFGQLGIIFIWLSGMYFHGARFSNYEAWLTDPTH
IKPSAQVVWPIVGQEILNADVGGGFQGLQITSGFFQLWRAAGITSELQLY
TTAIGALVMAAAMFFAGWFHYHKAAPKLEWFQNVESMLNHHLGGLLGLGS
LAWAGHQIHVSLPINKLLDAGVDPKEIPLPHEFTLNPELMAQLYPSFSKG
LAPFFTLDWAQYSDFLTFQGGLNPVTGGLWLTDTVHHHLAIAVLFLIAGH
QYRTNWGIGSSLKEILEAHKGPFTGEGHKGLYEILTTSWHAQLAINLALF
GSLSIIVAHHMYAMPPYPYLATDYGTQLSLFTHHMWIGGFCIVGAGAHAA
IFMVRDYDPTNNYNNLLDRVLRHRDAIISHLNWVCIFLGFHSFGLYIHND
TMSALGRPQDMFSDTAIQLQPVFAQWVQNTHFLAPGFTAPNALASTSPSW
GGDVVAVGGKVAMMPISLGTADFLVHHIHAFTIHVTVLILLKGVLYARSS
RLIPDKANLGFRFPCDGPGRGGTCQVSAWDHVFLGLFWMYNSISIVIFHF
SWKMQSDVWGTVSANGVSHITGGNFAQSANTINGWLRDFLWAQSSQVIQS
YGSALSAYGLIFLGAHFVWAFSLMFLFSGRGYWQELIESIVWAHNKLKVA
PAIQPRALSITQGRAVGVAHYLLGGIATTWSFFLARILAVG

3D structure

• PDB: 6zzy Cryo-EM photosystem I structure reveals adaptation mechanisms to extreme high light in Chlorella ohadii.
• 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	CL0	A	I538 Y600 N601 I605 F608 W645 L650 S654 F672 H676 W679 T738 F742	I528 Y590 N591 I595 F598 W635 L640 S644 F662 H666 W669 T728 F732
BS02	CLA	A	L670 L673 G674 F677 A680	L660 L663 G664 F667 A670
BS03	CLA	A	F677 A680 F681 L683 M684 Y692 W693 L696	F667 A670 F671 L673 M674 Y682 W683 L686
BS04	CLA	A	P32 I49 W50 L52 H53	P22 I39 W40 L42 H43
BS05	CLA	A	W29 F35 A56 H57 Q62	W19 F25 A46 H47 Q52
BS06	CLA	A	H57 F59 V73 A76 H77 Q80 L81 F85 H350 Q352 L353 N356 L357	H47 F49 V63 A66 H67 Q70 L71 F75 H340 Q342 L343 N346 L347
BS07	CLA	A	H57 Q80 I83 I84 W87 F360 F400 C401	H47 Q70 I73 I74 W77 F350 F390 C391
BS08	CLA	A	W87 S89 G90 F93 H94 F98 W119	W77 S79 G80 F83 H84 F88 W109
BS09	CLA	A	M91 Q116 L138 I140 T141 S142 A667 Y668	M81 Q106 L128 I130 T131 S132 A657 Y658
BS10	CLA	A	Q116 V118 W119 Q124 A667	Q106 V108 W109 Q114 A657
BS11	CLA	A	I15 V17 F74 F78 A176 F179 H180 W190	I5 V7 F64 F68 A166 F169 H170 W180
BS12	CLA	A	T24 N25 K28 W29 H34 K72 S75 G177 W178 Y181 H182	T14 N15 K18 W19 H24 K62 S65 G167 W168 Y171 H172
BS13	CLA	A	V13 I15 W190 H200 W316	V3 I5 W180 H190 W306
BS14	CLA	A	F74 H77 F78 L81 W190 F191 M197 H200 H201 G204	F64 H67 F68 L71 W180 F181 M187 H190 H191 G194
BS15	CLA	A	G152 Q158 T162 A212 W213 H216 V220 P240	G142 Q148 T152 A202 W203 H206 V210 P230
BS16	CLA	A	L211 G215 I218 H219 F257 G260 L261 F264 Y272 L299	L201 G205 I208 H209 F247 G250 L251 F254 Y262 L289
BS17	CLA	A	L157 Q158 H241	L147 Q148 H231
BS18	CLA	A	W269 L276 T277 F278 H296 L299 A300 V303 N501	W259 L266 T267 F268 H286 L289 A290 V293 N491
BS19	CLA	A	L289 D293 H296 H297 I301 H370 M374 T506	L279 D283 H286 H287 I291 H360 M364 T496
BS20	CLA	A	L206 G209 W213 Q217 H297 H298 I301 F305 L363 V367 M371 P376 Y377	L196 G199 W203 Q207 H287 H288 I291 F295 L353 V357 M361 P366 Y367
BS21	CLA	A	N199 H200 L306 H310 T314 W316 I318	N189 H190 L296 H300 T304 W306 I308
BS22	CLA	A	L198 L202 L304 F305 A308 Q311 Y312 L322 I325	L188 L192 L294 F295 A298 Q301 Y302 L312 I315
BS23	CLA	A	I307 Q311 G319	I297 Q301 G309
BS24	CLA	A	H338 L341 L426	H328 L331 L416
BS25	CLA	A	L66 F191 M197 L198 H201 L345 T346 W349 Q352 I355 N356 L359 F360	L56 F181 M187 L188 H191 L335 T336 W339 Q342 I345 N346 L349 F350
BS26	CLA	A	I365 I366 H369 I402 I543 T546 V547 S602	I355 I356 H359 I392 I533 T536 V537 S592
BS27	CLA	A	L359 L363 I366 H370 A373 M374 W510	L349 L353 I356 H360 A363 M364 W500
BS28	CLA	A	W87 T141 S389 T392 H393 W396 I736 W740	W77 T131 S379 T382 H383 W386 I726 W730
BS29	CLA	A	G143 F144 L147 L206 F360 L363 S364 V367 M371 Y377 L390 H393 H394 I397	G133 F134 L137 L196 F350 L353 S354 V357 M361 Y367 L380 H383 H384 I387
BS30	CLA	A	H53 A54 H57 D58 L353 L357 F400 G404 H408 I411 R415 F571 R572 W589	H43 A44 H47 D48 L343 L347 F390 G394 H398 I401 R405 F561 R562 W579
BS31	CLA	A	F333 T334 R429 H433 H440	F323 T324 R419 H423 H430
BS32	CLA	A	H440 W443	H430 W433
BS33	CLA	A	W443 F447 F450 H451	W433 F437 F440 H441
BS34	CLA	A	F450 G454 L455 I457 H458 M462 R467 D470	F440 G444 L445 I447 H448 M452 R457 D460
BS35	CLA	A	H491 A494 T498	H481 A484 T488
BS36	CLA	A	T498 A499 P500 N501	T488 A489 P490 N491
BS37	CLA	A	Y372 F483 A484 V487 Q488 W510 I526 H536 H539 V606 H609	Y362 F473 A474 V477 Q478 W500 I516 H526 H529 V596 H599
BS38	CLA	A	F447 L448 P481 V482 F483 F533 H537	F437 L438 P471 V472 F473 F523 H527
BS39	CLA	A	L441 V444 H544 V547	L431 V434 H534 V537
BS40	CLA	A	I700 A703 H704	I690 A693 H694
BS41	CLA	A	W50 F677 F681 A725 V726 H730	W40 F667 F671 A715 V716 H720
BS42	CLA	A	T46 I49 W50 I700 H704 P711 P715	T36 I39 W40 I690 H694 P701 P705
BS43	CLA	A	H329 P332 F333	H319 P322 F323
BS44	PQN	A	M684 F685 S688 W693 A717 L718	M674 F675 S678 W683 A707 L708
BS45	SF4	A	C575 G577 P578 C584	C565 G567 P568 C574
BS46	CLA	A	L646 L650 W651	L636 L640 W641
BS47	CLA	A	F453 I457 D460 F541 W598 I642 W679 Y731	F443 I447 D450 F531 W588 I632 W669 Y721
BS48	CLA	A	C445 I446 G449 F450 F453 F541 L548 F597 W598	C435 I436 G439 F440 F443 F531 L538 F587 W588
BS49	CLA	A	T461 A464 L465	T451 A454 L455
BS50	CLA	A	K706 L707	K696 L697
BS51	CLA	A	S439 W443 I446	S429 W433 I436
BS52	CLA	A	F264 F265	F254 F255
BS53	CLA	A	A172 F175	A162 F165

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

External links

• PDB: RCSB:6zzy, PDBe:6zzy, PDBj:6zzy
• PDBsum: 6zzy
• PubMed: 34462576
• UniProt: W8SY74