Structure of PDB 8wmj Chain B

Receptor sequence

>8wmjB (length=732) Species: 52970 (Rhodomonas salina)

TKFPKFSQALAQDPATRRIWYGLATAHDLESHDGMTEENLYQKIFASHFG
HLAVIFLWTSGNLFHVAWQGNFEQWVLNPLKVKPIAHAIWDPHFGQPAVK
AFTKGGVSYPVNIATSGVYHWWYTIGMRSNTDLYAGSLFLLFLAGVFLFA
GWLHLQPKFRPGLSWFKNNESRLNHHLSGLFGFSSLAWSAHLIHVAIPEA
RGQHVCWDNFTKVAPHPAGLQPFFTGNWGAYAASPDTTNHIFGTSEGAGT
AILTFLGGFHPQTQALWLTDIAHHHLAIGVVFIFAGHMYRTNWGIGHSLK
EILDAHRPPGGRLGAGHKGIFETLTNSLHFQLGLALASLGVITSLVAQHM
YALPSYAFIAKDYVTQSALYTHHQYIAGFLMVGAFAHGAIFFVRDYDPEQ
NKNNVLARILDHKEAIISHLSWVSLFLGFHTLGIYVHNDVVVAFGTPEKQ
ILVEPVFAQWIQASSGKALYGFDVLLSSTNSVAANASSNIWLPGWLEAIN
SGKNSLFLPIGPGDFLIHHAIALALHTTTLILVKGALDARGSKLMPDKKD
FGYAFPCDGPGRGGTCDISAWDAFYLSMFWMLNTIGWVTFYWHWKHITIW
QGNAGQFNESSTYIMGWLRDYLWLNSSPLINGYNPFGMNSLSVWSWMFLF
GHLIWATGFMFLISWRGYWQELIETLVWAHERTPLANLVRWKDKPVALSI
VQARLVGLIHFTAGYIFTYAAFVIASTTGKFG

3D structure

• PDB: 8wmj Growth phase-dependent reorganization of cryptophyte photosystem I antennae.
• Chain: B
• Resolution: 3.0 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	B	L619 L623 W624	L618 L622 W623
BS02	CLA	B	S425 L426 G429 F430 T528 L531 I532 L577 F580 W581	S424 L425 G428 F429 T527 L530 I531 L576 F579 W580
BS03	CLA	B	W581 N584 W588 I615 W656	W580 N583 W587 I614 W655
BS04	CLA	B	R683 T684 P685	R682 T683 P684
BS05	CLA	B	W647 L650 F651 H653 L654 W656 A657	W646 L649 F650 H652 L653 W655 A656
BS06	CLA	B	S419 S422 W423 L426	S418 S421 W422 L425
BS07	CLA	B	L677 H681 V690	L676 H680 V689
BS08	SF4	B	C558 G560 C567	C557 G559 C566
BS09	CLA	B	Y436 W588 F591 W618 S627 F649 H653 W656 Y716 T719 Y720 F723	Y435 W587 F590 W617 S626 F648 H652 W655 Y715 T718 Y719 F722
BS10	CLA	B	A657 T658 M661 Y669 W670	A656 T657 M660 Y668 W669
BS11	CLA	B	H28 I45 S48 H49 H52 R173 L329 H330 L333 A336	H27 I44 S47 H48 H51 R172 L328 H329 L332 A335
BS12	CLA	B	H28 H52 V55 W59 L340 L381	H27 H51 V54 W58 L339 L380
BS13	CLA	B	L58 W59 G62 F65 H66 W69 Q70	L57 W58 G61 F64 H65 W68 Q69
BS14	CLA	B	N63 A87 H88 N113 A115 S117 V644 W645	N62 A86 H87 N112 A114 S116 V643 W644
BS15	CLA	B	I90 W91 D92 H94 F95 N113 V644 W647	I89 W90 D91 H93 F94 N112 V643 W646
BS16	CLA	B	F46 F50 A151 L154 H155 F160 W166	F45 F49 A150 L153 H154 F159 W165
BS17	CLA	B	W166 S172 H176 W294	W165 S171 H175 W293
BS18	CLA	B	F46 H49 F50 L53 W122 W166 S172 R173 H176 H177 L181 F182	F45 H48 F49 L52 W121 W165 S171 R172 H175 H176 L180 F181
BS19	CLA	B	I126 M128 F140 A188 W189 H192 H195 V196 C207 W208 F211	I125 M127 F139 A187 W188 H191 H194 V195 C206 W207 F210
BS20	CLA	B	A191 I194 H195 P216 G220 L221 Y232 L277	A190 I193 H194 P215 G219 L220 Y231 L276
BS21	CLA	B	F224 W229 G230 L254 H274 L277 A278 I491	F223 W228 G229 L253 H273 L276 A277 I490
BS22	CLA	B	F256 D271 H274 H275 A278 H350 L354 W492 W496	F255 D270 H273 H274 A277 H349 L353 W491 W495
BS23	CLA	B	W122 F182 S185 W189 I272 H275 H276 I343 M351 S356 Y357	W121 F181 S184 W188 I271 H274 H275 I342 M350 S355 Y356
BS24	CLA	B	L174 L178 F283 A286 M289 Y290 L300 I303	L173 L177 F282 A285 M288 Y289 L299 I302
BS25	CLA	B	F285 G297 H298	F284 G296 H297
BS26	CLA	B	H298 E302 I303 H307	H297 E301 I302 H306
BS27	CLA	B	H307 L314 H318 V406	H306 L313 H317 V405
BS28	CLA	B	N170 R173 L174 H177 F182 L300 F322 L325 L335 S339 I343	N169 R172 L173 H176 F181 L299 F321 L324 L334 S338 I342
BS29	CLA	B	S345 L346 Q349 M382 F386 L526 T529 T530	S344 L345 Q348 M381 F385 L525 T528 T529
BS30	CLA	B	V342 L346 Q349 H350 F508	V341 L345 Q348 H349 F507
BS31	CLA	B	W59 T116 A369 T372 H373 Y376 I377 M648 I717 A721	W58 T115 A368 T371 H372 Y375 I376 M647 I716 A720
BS32	CLA	B	W59 T60 S117 G118 W122 S185 V347 M351 Y357 L370 H373 H374	W58 T59 S116 G117 W121 S184 V346 M350 Y356 L369 H372 H373
BS33	CLA	B	R313 L314 R409 I410 H413 H420	R312 L313 R408 I409 H412 H419
BS34	CLA	B	H420 W423	H419 W422
BS35	CLA	B	G434 I435 H438 V441 K450 I452	G433 I434 H437 V440 K449 I451
BS36	CLA	B	I462 S465 S466 L476 L477 W492 W496 F508	I461 S464 S465 L475 L476 W491 W495 F507
BS37	CLA	B	A487 W492	A486 W491
BS38	CLA	B	Q349 Y352 A459 I462 Q463 F508 L509 H519 I522 V589 Y592 W593	Q348 Y351 A458 I461 Q462 F507 L508 H518 I521 V588 Y591 W592
BS39	CLA	B	F427 L428 P456 F458 A459 F516 H519 H520	F426 L427 P455 F457 A458 F515 H518 H519
BS40	CLA	B	A523 H527	A522 H526
BS41	CLA	B	T17 W21 L677 H681 R691 W692 K693 P696	T16 W20 L676 H680 R690 W691 K692 P695
BS42	CLA	B	W21 L654 T658 F662 H711	W20 L653 T657 F661 H710
BS43	CLA	B	A27 H28 H33	A26 H27 H32
BS44	CLA	B	N175 H176 S179 H288 W294	N174 H175 S178 H287 W293
BS45	CLA	B	P93 H94	P92 H93
BS46	CLA	B	W423 F427 F430 H431	W422 F426 F429 H430
BS47	CLA	B	H307 R308 P309 P310 R313 L314	H306 R307 P308 P309 R312 L313
BS48	PQN	B	W21 M661 F662 S665 W666 R667 W670 A698 L699 A704	W20 M660 F661 S664 W665 R666 W669 A697 L698 A703
BS49	WVN	B	G334 A338 F386 G389 F393	G333 A337 F385 G388 F392
BS50	WVN	B	L64 M128 G137 F140 L141 W208 T212	L63 M127 G136 F139 L140 W207 T211
BS51	WVN	B	W647 F651 I674	W646 F650 I673
BS52	WVN	B	L187 V281 I284 F285 H288	L186 V280 I283 F284 H287
BS53	CLA	B	Q222 F225	Q221 F224
BS54	CLA	B	F458 W461	F457 W460
BS55	WVN	B	F427 H431 H520	F426 H430 H519
BS56	CLA	B	P685 L686	P684 L685
BS57	WVN	B	F225 W229 V281	F224 W228 V280
BS58	CLA	B	W208 D209	W207 D208

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:8wmj, PDBe:8wmj, PDBj:8wmj
• PDBsum: 8wmj
• PubMed: 38734819
• UniProt: A6MVZ6|PSAB_RHDSA Photosystem I P700 chlorophyll a apoprotein A2 (Gene Name=psaB)