Structure of PDB 7zqd Chain A2

Receptor sequence
>7zqdA2 (length=742) Species: 3055 (Chlamydomonas reinhardtii) [Search protein sequence]
AKKVKIAVDRNPVETSFEKWAKPGHFSRTLSKGPNTTTWIWNLHADAHDF
DSHTSDLEEISRKVFSAHFGQLGIIFIWLSGMYFHGARFSNYEAWLSDPT
HIKPSAQVVWPIVGQEILNGDVGGGFQGIQITSGFFQLWRASGITSELQL
YTTAIGGLVMAAAMFFAGWFHYHKAAPKLEWFQNVESMLNHHLGGLLGLG
SLAWAGHQIHVSLPVNKLLDAGVDPKEIPLPHDLLLNRAIMADLYPSFAK
GIAPFFTLNWSEYSDFLTFKGGLNPVTGGLWLSDTAHHHVAIAVLFLVAG
HMYRTNWGIGHSMKEILEAHRGPFTGEGHVGLYEILTTSWHAQLAINLAL
FGSLSIIVAHHMYAMPPYPYLATDYGTQLSLFTHHTWIGGFCIVGAGAHA
AIFMVRDYDPTNNYNNLLDRVIRHRDAIISHLNWVCIFLGFHSFGLYIHN
DTMSALGRPQDMFSDTAIQLQPVFAQWIQNTHFLAPQLTAPNALAATSLT
WGGDLVAVGGKVAMMPISLGTSDFMVHHIHAFTIHVTVLILLKGVLFARS
SRLIPDKANLGFRFPCDGPGRGGTCQVSAWDHVFLGLFWMYNSLSIVIFH
FSWKMQSDVWGTVTASGVSHITGGNFAQSANTINGWLRDFLWAQSSQVIQ
SYGSALSAYGLIFLGAHFVWAFSLMFLFSGRGYWQELIESIVWAHNKLKV
APAIQPRALSITQGRAVGVAHYLLGGIATTWSFFLARIISVG
3D structure
PDB7zqd Algal photosystem I dimer and high-resolution model of PSI-plastocyanin complex.
ChainA2
Resolution2.97 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 CL0 A2 Y600 N601 F608 L650 S654 F672 H676 W679 Y731 T738 T739 F742 Y591 N592 F599 L641 S645 F663 H667 W670 Y722 T729 T730 F733
BS02 CLA A2 F677 A680 F681 M684 Y692 W693 F668 A671 F672 M675 Y683 W684
BS03 CLA A2 F453 I457 F541 W598 N601 Y731 F444 I448 F532 W589 N592 Y722
BS04 CLA A2 P32 H53 P23 H44
BS05 CLA A2 W29 H34 H53 A56 H57 G79 I83 W20 H25 H44 A47 H48 G70 I74
BS06 CLA A2 H57 F59 V73 A76 H77 F85 L88 W349 H350 L353 N356 H48 F50 V64 A67 H68 F76 L79 W340 H341 L344 N347
BS07 CLA A2 Q80 W87 F400 Q71 W78 F391
BS08 CLA A2 W87 G90 F93 H94 F98 W119 W78 G81 F84 H85 F89 W110
BS09 CLA A2 W87 M91 Q116 I140 S142 Y668 W78 M82 Q107 I131 S133 Y659
BS10 CLA A2 Q116 V118 W119 Q124 F174 Q107 V109 W110 Q115 F165
BS11 CLA A2 I15 V17 F78 A176 F179 H180 I6 V8 F69 A167 F170 H171
BS12 CLA A2 T24 S25 W29 H34 K72 G177 W178 Y181 H182 T15 S16 W20 H25 K63 G168 W169 Y172 H173
BS13 CLA A2 I15 W190 N193 S196 H200 I6 W181 N184 S187 H191
BS14 CLA A2 F74 H77 F78 L81 W190 M197 H200 H201 F65 H68 F69 L72 W181 M188 H191 H192
BS15 CLA A2 G152 Q158 T162 A212 W213 H216 V220 P240 G143 Q149 T153 A203 W204 H207 V211 P231
BS16 CLA A2 G215 I218 H219 L244 R247 F257 G260 I261 G206 I209 H210 L235 R238 F248 G251 I252
BS17 CLA A2 W269 L276 H296 V299 A300 V303 L304 N501 W260 L267 H287 V290 A291 V294 L295 N492
BS18 CLA A2 F278 L289 H297 A300 I301 H370 M374 F269 L280 H288 A291 I292 H361 M365
BS19 CLA A2 W213 H297 H298 L363 P376 Y377 W204 H288 H289 L354 P367 Y368
BS20 CLA A2 H200 G203 G204 H310 T314 W316 H191 G194 G195 H301 T305 W307
BS21 CLA A2 L202 F305 M311 Y312 L193 F296 M302 Y303
BS22 CLA A2 V307 M311 G319 H320 V298 M302 G310 H311
BS23 CLA A2 H320 A328 H329 H311 A319 H320
BS24 CLA A2 L326 H329 H338 L341 L426 L317 H320 H329 L332 L417
BS25 CLA A2 M197 L198 H201 M322 L345 T346 W349 Q352 I355 N356 M188 L189 H192 M313 L336 T337 W340 Q343 I346 N347
BS26 CLA A2 I365 H369 I402 I543 I356 H360 I393 I534
BS27 CLA A2 L359 H370 A373 M374 W510 L350 H361 A364 M365 W501
BS28 CLA A2 W87 T392 H393 W396 W740 W78 T383 H384 W387 W731
BS29 CLA A2 F360 M371 Y377 L390 H393 H394 I397 F351 M362 Y368 L381 H384 H385 I388
BS30 CLA A2 H53 A54 L353 F400 G404 H408 I411 R415 R572 W589 H44 A45 L344 F391 G395 H399 I402 R406 R563 W580
BS31 CLA A2 F333 R429 H433 I437 H440 F324 R420 H424 I428 H431
BS32 CLA A2 H440 W443 H431 W434
BS33 CLA A2 W443 F447 F450 H451 W434 F438 F441 H442
BS34 CLA A2 F450 I457 H458 M462 R467 D470 F472 F441 I448 H449 M453 R458 D461 F463
BS35 CLA A2 W486 H491 A494 T498 W477 H482 A485 T489
BS36 CLA A2 F278 L497 T498 A499 P500 N501 F269 L488 T489 A490 P491 N492
BS37 CLA A2 H369 A484 I487 Q488 H536 H539 V606 H609 K613 H360 A475 I478 Q479 H527 H530 V597 H600 K604
BS38 CLA A2 L448 P481 F483 A484 F533 H536 H537 L439 P472 F474 A475 F524 H527 H528
BS39 CLA A2 L441 V444 H544 V547 L432 V435 H535 V538
BS40 CLA A2 I700 H704 V709 I691 H695 V700
BS41 CLA A2 F681 V726 H730 F672 V717 H721
BS42 CLA A2 W443 I446 W434 I437
BS43 PQN A2 M684 F685 S688 R690 W693 A717 L718 M675 F676 S679 R681 W684 A708 L709
BS44 CLA A2 P332 F333 P323 F324
BS45 SF4 A2 C575 G577 C584 C566 G568 C575
BS46 CLA A2 L673 G674 H676 F677 W679 A680 L664 G665 H667 F668 W670 A671
BS47 CLA A2 L646 W651 L637 W642
BS48 CLA A2 N442 I446 F453 F597 W598 N433 I437 F444 F588 W589
BS49 CLA A2 T46 I49 W50 P711 P715 T37 I40 W41 P702 P706
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

View graph for
Molecular Function
View graph for
Biological Process
View graph for
Cellular Component
External links
PDB RCSB:7zqd, PDBe:7zqd, PDBj:7zqd
PDBsum7zqd
PubMed36229605
UniProtP12154|PSAA_CHLRE Photosystem I P700 chlorophyll a apoprotein A1 (Gene Name=psaA)

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