Structure of PDB 7kux Chain B

Receptor sequence

>7kuxB (length=732) Species: 3218 (Physcomitrium patens) [Search protein sequence]

SRFPKFSRGLSQDPTTRRIWFGIATAHDFESHDDMTEERLYQKIFASHFG
QLAIIFLWTSGNLFHVAWQGNFEAWGQDPLHVRPIAHAIWDPHFGQPAVE
AFTRGGASGPVNIAYSGVYQWWYTIGLRTNQDLYGGSIFLLFVSALFLIA
GWLHLQPKWKPSVSWFKNAESRLNHHLSGLFGVSSLAWTGHLVHVAIPES
RGEHVRWNNLLTALPHPQGLGPFFAGQWNVYAQNPDSNSHLFGTSEGAGT
AILTFLGGFHPQTQSLWLTDMAHHHLAIAVIFIIAGHMYRTNFGIGHSMK
EILEAHTPPGGRLGRGHKGLYDTINNSLHFQLGLALASLGVITSLVAQHM
YSLPPYAFLAQDFTTQAALYTHHQYIAGFIMTGAFAHGAIFFIRDYNPEQ
NKDNVLARMLEHKEAIISHLSWASLFLGFHTLGLYVHNDVMLAFGTPEKQ
ILIEPVFAQWIQSAHGKALYGFDVLLSSADSPAFNAGQTLWLPGWLDAIN
NNSNSLFLTIGPGDFLVHHAIALGLHTTTLILVKGALDARGSKLMPDKKE
FGYSFPCDGPGRGGTCDISAWDAFYLAVFWMLNTIGWVTFYWHWKHITLW
QGNVAQFNESSTYLMGWLRDYLWLNSSQLINGYNPFGMNSLSVWAWMFLF
GHLVWATGFMFLISWRGYWQELIETLAWAHERTPLANLVRWKDKPVALSI
VQARLVGLAHFSVGYIFTYAAFLIASTSGKFG

3D structure

PDB

7kux The structure of the Physcomitrium patens photosystem I reveals a unique Lhca2 paralogue replacing Lhca4.

Chain

Resolution

2.8 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	CL0	B	L620 L624 W625	L618 L622 W623
BS02	CLA	B	S426 L427 G430 F431 L434 L532 I533 L578 F581 W582	S424 L425 G428 F429 L432 L530 I531 L576 F579 W580
BS03	CLA	B	W648 L651 F652 H654 L655 W657 A658	W646 L649 F650 H652 L653 W655 A656
BS04	CLA	B	W680 T685 P686	W678 T683 P684
BS05	SF4	B	C559 G561 C568	C557 G559 C566
BS06	CLA	B	S420 S423 W424 L427	S418 S421 W422 L425
BS07	CLA	B	A658 T659 M662 I665 Y670 W671	A656 T657 M660 I663 Y668 W669
BS08	CLA	B	V438 D441 F581 W582 N585 W589 L616	V436 D439 F579 W580 N583 W587 L614
BS09	CLA	B	Y437 A522 W589 F592 L616 W619 L624 S628 I632 F650 H654 W657 Y717 T720 Y721 F724	Y435 A520 W587 F590 L614 W617 L622 S626 I630 F648 H652 W655 Y715 T718 Y719 F722
BS10	CLA	B	F5 F8 I25 A28 H29 F31 K45 S49 I56	F3 F6 I23 A26 H27 F29 K43 S47 I54
BS11	CLA	B	H29 F31 I46 S49 H50 Q53 L54 F168 R174 L330 H331 L334 A337 L338 L341	H27 F29 I44 S47 H48 Q51 L52 F166 R172 L328 H329 L332 A335 L336 L339
BS12	CLA	B	H29 Q53 I56 I57 W60 L341 I378 F381 I382	H27 Q51 I54 I55 W58 L339 I376 F379 I380
BS13	CLA	B	L59 W60 G63 F66 H67 W70 Q71 H89	L57 W58 G61 F64 H65 W68 Q69 H87
BS14	CLA	B	N64 A88 H89 N114 A116 S118 V645 W646 M649 F719	N62 A86 H87 N112 A114 S116 V643 W644 M647 F717
BS15	CLA	B	H89 I91 W92 D93 H95 N114 V645 W648	H87 I89 W90 D91 H93 N112 V643 W646
BS16	CLA	B	F47 F51 L148 A152 L155 H156 W161 W167	F45 F49 L146 A150 L153 H154 W159 W165
BS17	CLA	B	W167 S173 H177 T293	W165 S171 H175 T291
BS18	CLA	B	F47 H50 F51 L54 W123 W167 F168 R174 H177 H178 L182 F183	F45 H48 F49 L52 W121 W165 F166 R172 H175 H176 L180 F181
BS19	CLA	B	G128 L129 F141 A189 W190 H193 H196 V197 R208 W209 L212	G126 L127 F139 A187 W188 H191 H194 V195 R206 W207 L210
BS20	CLA	B	L188 A189 G192 H196 L212 L216 P217 G221 L222	L186 A187 G190 H194 L210 L214 P215 G219 L220
BS21	CLA	B	F225 W230 L255 F257 H275 L278 A279 V282 I283 L492	F223 W228 L253 F255 H273 L276 A277 V280 I281 L490
BS22	CLA	B	F257 G259 L268 H275 H276 A279 I280 H351 W497	F255 G257 L266 H273 H274 A277 I278 H349 W495
BS23	CLA	B	I127 L182 F183 S186 W190 M273 H276 H277 I280 I344 L347 V348 P357 Y358	I125 L180 F181 S184 W188 M271 H274 H275 I278 I342 L345 V346 P355 Y356
BS24	CLA	B	L175 L179 F183 F284 A287 M290 Y291 I304	L173 L177 F181 F282 A285 M288 Y289 I302
BS25	CLA	B	N176 H177 S180 I285 H289 T293 F295	N174 H175 S178 I283 H287 T291 F293
BS26	CLA	B	H299 A307 H308	H297 A305 H306
BS27	CLA	B	L305 H308 L315 H319 L322 V407 M411	L303 H306 L313 H317 L320 V405 M409
BS28	CLA	B	A171 R174 L175 H178 F183 Y323 I326 L336 A337 S340 I344	A169 R172 L173 H176 F181 Y321 I324 L334 A335 S338 I342
BS29	CLA	B	V343 S346 Q350 Q376 M383 F387 L527 T530 T531	V341 S344 Q348 Q374 M381 F385 L525 T528 T529
BS30	CLA	B	S340 V343 L347 Q350 H351 S354 L355 F509	S338 V341 L345 Q348 H349 S352 L353 F507
BS31	CLA	B	W60 N64 S118 T373 H374 I378 I718 F719	W58 N62 S116 T371 H372 I376 I716 F717
BS32	CLA	B	W60 T61 W123 L341 T345 V348 M352 Y358 L371 H374 H375 I378	W58 T59 W121 L339 T343 V346 M350 Y356 L369 H372 H373 I376
BS33	CLA	B	A26 H29 D30 L334 L338 F381 G385 H389 I392 R396 Y555 W573 F576	A24 H27 D28 L332 L336 F379 G383 H387 I390 R394 Y553 W571 F574
BS34	CLA	B	R314 L315 V407 R410 M411 E413 H414 H421	R312 L313 V405 R408 M409 E411 H412 H419
BS35	CLA	B	H421 W424	H419 W422
BS36	CLA	B	W424 L427 F428 F431 H432	W422 L425 F426 F429 H430
BS37	CLA	B	G435 V438 H439 M443 K451 I453	G433 V436 H437 M441 K449 I451
BS38	CLA	B	W462 I463 H467 L478 W493 W497	W460 I461 H465 L476 W491 W495
BS39	CLA	B	A485 A488 W493	A483 A486 W491
BS40	CLA	B	Q350 Y353 Y372 Q376 A460 I463 Q464 F509 H520 I523 V590 Y593 W594 K597	Q348 Y351 Y370 Q374 A458 I461 Q462 F507 H518 I521 V588 Y591 W592 K595
BS41	CLA	B	F428 L429 P457 V458 F459 A460 F517 H520 H521 A524	F426 L427 P455 V456 F457 A458 F515 H518 H519 A522
BS42	CLA	B	I418 L422 W424 A524 H528 T531	I416 L420 W422 A522 H526 T529
BS43	CLA	B	L678 A681 H682 V691	L676 A679 H680 V689
BS44	CLA	B	T18 W22 L678 A679 H682 R692 W693 K694 D695 P697	T16 W20 L676 A677 H680 R690 W691 K692 D693 P695
BS45	CLA	B	W22 F652 L655 V656 T659 M662 F663 V708 A711 H712	W20 F650 L653 V654 T657 M660 F661 V706 A709 H710
BS46	CLA	B	H308 T309 P311 R314	H306 T307 P309 R312
BS47	PQN	B	W22 M662 F663 S666 W667 W671 A699 L700 A705	W20 M660 F661 S664 W665 W669 A697 L698 A703
BS48	CLA	B	V458 F459	V456 F457
BS49	CLA	B	I286 H289 M290 G298 H299	I284 H287 M288 G296 H297
BS50	CLA	B	P94 H95	P92 H93
BS51	CLA	B	L687 A688	L685 A686

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

View graph for
Molecular Function

View graph for
Biological Process

View graph for
Cellular Component

External links

PDB	RCSB:7kux, PDBe:7kux, PDBj:7kux
PDBsum	7kux
PubMed	35190662
UniProt	Q8MFA2\|PSAB_PHYPA Photosystem I P700 chlorophyll a apoprotein A2 (Gene Name=psaB)

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