9vfj

PSI-LHCI of Euglena gracilis strain Z

Method: ELECTRON MICROSCOPY

▼

1. Protein Identity and Related Structures Protein Identity & Related Structures

Photosystem I P700 chlorophyll a apoprotein A2

OrganismNot specified

UniProt P19431

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 21	Photosystem I P700 chlorophyll a apoprotein A1 × 1 Photosystem I iron-sulfur center × 1 （P31556） Photosystem I reaction center subunit II × 1 Photosystem I reaction center subunit IV × 1 Photosystem I reaction center subunit III × 1 Photosystem I reaction center subunit IX × 1 （P30394） Photosystem I reaction center subunit XII × 1 （P31479） LHCI-1 × 1 LHCI-2 × 1 LHCI-3 × 1 LHCI-4 × 1 Chloroplast light-harvesting complex I protein × 1 （A8HPE4） LHCI-6 × 1 LHCI-7 × 1 LHCI-8 × 1 LHCI-9 × 1 LHCI-10 × 1 LHCI-11 × 3 CHLOROPHYLL A ISOMER × 1 CHLOROPHYLL A × 236 PHYLLOQUINONE × 2 IRON/SULFUR CLUSTER × 3 BETA-CAROTENE × 17 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE × 14 UNKNOWN LIGAND × 42 DIGALACTOSYL DIACYL GLYCEROL (DGDG) × 1 (3S,3'R,5R,6S,7cis)-7',8'-didehydro-5,6-dihydro-5,6-epoxy-beta,beta-carotene-3,3'-diol × 26 water × 15	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PSAB_EUGGR
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain B； PDBConstruct 1–734； UniProt 1–734

Photosystem I iron-sulfur center

OrganismNot specified

UniProt P31556

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 21	Photosystem I P700 chlorophyll a apoprotein A1 × 1 Photosystem I P700 chlorophyll a apoprotein A2 × 1 （P19431） Photosystem I reaction center subunit II × 1 Photosystem I reaction center subunit IV × 1 Photosystem I reaction center subunit III × 1 Photosystem I reaction center subunit IX × 1 （P30394） Photosystem I reaction center subunit XII × 1 （P31479） LHCI-1 × 1 LHCI-2 × 1 LHCI-3 × 1 LHCI-4 × 1 Chloroplast light-harvesting complex I protein × 1 （A8HPE4） LHCI-6 × 1 LHCI-7 × 1 LHCI-8 × 1 LHCI-9 × 1 LHCI-10 × 1 LHCI-11 × 3 CHLOROPHYLL A ISOMER × 1 CHLOROPHYLL A × 236 PHYLLOQUINONE × 2 IRON/SULFUR CLUSTER × 3 BETA-CAROTENE × 17 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE × 14 UNKNOWN LIGAND × 42 DIGALACTOSYL DIACYL GLYCEROL (DGDG) × 1 (3S,3'R,5R,6S,7cis)-7',8'-didehydro-5,6-dihydro-5,6-epoxy-beta,beta-carotene-3,3'-diol × 26 water × 15	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PSAC_EUGGR
Isoform	—
PDB entities	3
Chains and sequence ranges	Author chain C； PDBConstruct 1–81； UniProt 1–81

Photosystem I reaction center subunit IX

OrganismNot specified

UniProt P30394

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 21	Photosystem I P700 chlorophyll a apoprotein A1 × 1 Photosystem I P700 chlorophyll a apoprotein A2 × 1 （P19431） Photosystem I iron-sulfur center × 1 （P31556） Photosystem I reaction center subunit II × 1 Photosystem I reaction center subunit IV × 1 Photosystem I reaction center subunit III × 1 Photosystem I reaction center subunit XII × 1 （P31479） LHCI-1 × 1 LHCI-2 × 1 LHCI-3 × 1 LHCI-4 × 1 Chloroplast light-harvesting complex I protein × 1 （A8HPE4） LHCI-6 × 1 LHCI-7 × 1 LHCI-8 × 1 LHCI-9 × 1 LHCI-10 × 1 LHCI-11 × 3 CHLOROPHYLL A ISOMER × 1 CHLOROPHYLL A × 236 PHYLLOQUINONE × 2 IRON/SULFUR CLUSTER × 3 BETA-CAROTENE × 17 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE × 14 UNKNOWN LIGAND × 42 DIGALACTOSYL DIACYL GLYCEROL (DGDG) × 1 (3S,3'R,5R,6S,7cis)-7',8'-didehydro-5,6-dihydro-5,6-epoxy-beta,beta-carotene-3,3'-diol × 26 water × 15	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PSAJ_EUGGR
Isoform	—
PDB entities	7
Chains and sequence ranges	Author chain J； PDBConstruct 1–37； UniProt 1–37

Photosystem I reaction center subunit XII

OrganismNot specified

UniProt P31479

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 21	Photosystem I P700 chlorophyll a apoprotein A1 × 1 Photosystem I P700 chlorophyll a apoprotein A2 × 1 （P19431） Photosystem I iron-sulfur center × 1 （P31556） Photosystem I reaction center subunit II × 1 Photosystem I reaction center subunit IV × 1 Photosystem I reaction center subunit III × 1 Photosystem I reaction center subunit IX × 1 （P30394） LHCI-1 × 1 LHCI-2 × 1 LHCI-3 × 1 LHCI-4 × 1 Chloroplast light-harvesting complex I protein × 1 （A8HPE4） LHCI-6 × 1 LHCI-7 × 1 LHCI-8 × 1 LHCI-9 × 1 LHCI-10 × 1 LHCI-11 × 3 CHLOROPHYLL A ISOMER × 1 CHLOROPHYLL A × 236 PHYLLOQUINONE × 2 IRON/SULFUR CLUSTER × 3 BETA-CAROTENE × 17 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE × 14 UNKNOWN LIGAND × 42 DIGALACTOSYL DIACYL GLYCEROL (DGDG) × 1 (3S,3'R,5R,6S,7cis)-7',8'-didehydro-5,6-dihydro-5,6-epoxy-beta,beta-carotene-3,3'-diol × 26 water × 15	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PSAM_EUGGR
Isoform	—
PDB entities	8
Chains and sequence ranges	Author chain M； PDBConstruct 1–31； UniProt 1–31

Chloroplast light-harvesting complex I protein

OrganismNot specified

UniProt A8HPE4

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 21	Photosystem I P700 chlorophyll a apoprotein A1 × 1 Photosystem I P700 chlorophyll a apoprotein A2 × 1 （P19431） Photosystem I iron-sulfur center × 1 （P31556） Photosystem I reaction center subunit II × 1 Photosystem I reaction center subunit IV × 1 Photosystem I reaction center subunit III × 1 Photosystem I reaction center subunit IX × 1 （P30394） Photosystem I reaction center subunit XII × 1 （P31479） LHCI-1 × 1 LHCI-2 × 1 LHCI-3 × 1 LHCI-4 × 1 LHCI-6 × 1 LHCI-7 × 1 LHCI-8 × 1 LHCI-9 × 1 LHCI-10 × 1 LHCI-11 × 3 CHLOROPHYLL A ISOMER × 1 CHLOROPHYLL A × 236 PHYLLOQUINONE × 2 IRON/SULFUR CLUSTER × 3 BETA-CAROTENE × 17 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE × 14 UNKNOWN LIGAND × 42 DIGALACTOSYL DIACYL GLYCEROL (DGDG) × 1 (3S,3'R,5R,6S,7cis)-7',8'-didehydro-5,6-dihydro-5,6-epoxy-beta,beta-carotene-3,3'-diol × 26 water × 15	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	A8HPE4_EUGGR
Isoform	—
PDB entities	13
Chains and sequence ranges	Author chain 5； PDBConstruct 1–252； UniProt 535–786

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

▼

2. Structure Basics 2. Structure Basics

Entry ID entry_id	9vfj
Deposition date deposition_date	2025-06-11
Structure title title	PSI-LHCI of Euglena gracilis strain Z
Keywords keywords	Photosystem I, ELECTRON TRANSPORT, PHOTOSYNTHESIS; PHOTOSYNTHESIS
Experimental Method method	ELECTRON MICROSCOPY

▼

3. Official assembly/model SAXS Official SAXS Profiles

This page reads only the latest assembly calculations. Every curve maps to an explicit PDB entry, official biological assembly and coordinate model.

9vfj__assembly_1__model_1

Assembly 1 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

9vfj__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

9vfj__assembly_1__model_1 | P(r) · Pending

P(r) will be calculated and displayed separately for the same assembly/model.

Rg（Guinier）	62.59 Å
Rg (electron density)	61.87 Å
Total Rg	61.84 Å
Atom count	48198
Residues	4252
Excluded volume	889700 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`9vfj__assembly_1__model_1`	21-meric （21）	Success	4.1.3-1-20251215 (887e7ef)	View Download

▶

4. Crystallography and Experiment 4. Crystallography & Experiment

▶

5. Entities and Polymers Entities & Polymers (29)

Entity 1 Entity 1 polymer

Description description	Photosystem I P700 chlorophyll a apoprotein A1
Molecular weight formula_weight	85183.6 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A
Atom count atom_count	48242

VYDNLIENYMTITPPEQQVKRVRVAFVSNPVETSFEKWSRPGHFSRLLSKGPNTTTWIWNLHADAHDFDNHTTDLEDISRKVFSAHFGQLAIIEIWLSGMFFHGARFSNYEAWLLDPIHVKPSAQIVWPIVGQEILNGDVGGNFQGIQITSGLFQLWRSCGITSEFQLYITALTGLIFSAVLFFAGWFHYHKAAPKLEWFQNVESMLNHHLSGLLGLGCLSWAGHQIHVSLPINKLLDSGVNPAELPLPHDFILDKSLISQLYPSFSKGLAPFFTFHWSEYSDFLTFRGGLNNVTGGLWLTDVAHHHLALAVLFILAGHMYKTNWKIGHDIKGLLESHTGPFTGQGHKGLYEIFTNSWHAQLSLNLAMMGSLSIIVAQHMYSMPPYPYIAIDYGTELSLFTHHYWIGGFCIVGAAAHAAIFMVRDYDPALNFNNLLDRVLLHRDAIISHLNWVCIFLGLHSFGLYIHNDTLSALGRPQDMFSDSAIQLQPVFAQWIQNTHYLAPTLTAFNLVSPTTPVWGGDVVSISGKVAMMPIKLGTADFLVHHIHAFTIHVTVLILLKGVLFSRSSRLIPDKASLGFRFPCDGPGRGGTCQVSAWDHVFLGLFWMYNSISVAIFHFSWKMQSDVWGTVLANKVSHITGGNFSQGSLTINGWLRDFLWAQSSQVIQSYGSPLSAYGLMFLGAHFVWAFSLMFLFSGRGYWQELIESIVWAHNKLKVAPNIQPRALSITQGRAVGVAHYLLGGIATTWSFFLARIISVG

Entity 2 Entity 2 polymer

Description description	Photosystem I P700 chlorophyll a apoprotein A2
Molecular weight formula_weight	82780.3 kDa
EC 编号 ec_number	1.97.1.12
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	B

MATKFPKFSQGLAQDPTTRRIWFGIATSHDFESHDGMTENNLYQKIFASHFGQLAIIFLWTSGNLFHVAWQGNFEQWIKDPLHIRPIAHAISDPHFGQPAIEAFTRSQFPGPVNIAYSGVYQWWYTIGLRTNVDLYNGSMFLLFIATLALFAGWLHLEPKYSPKVSWFKDAESRLNHHLSALFGLSSLAWSGHLIHVAIPESRGIHVRWDNFLSQLPHPSGLEPFFKGNWSLYSENPDSLTHVFGTASGAGTAVLTFLGGFHPETKSLWLTDIAHHHLAIAVLFIVAGHMYRTNFAIGHRIDDILNAHKAPSGKLGLGHFGLYETINNSLHFQLGLALASLGVITSLVAQHMYSLSPYAFLIQDRTTMAALYTHHQYIAGFIMTGAFAHGAIFFIRDFDEEKNKGNVLSRILDHKEAIISHLSWVTLFLGFHTLGLYVHNDVMQAFGTPEKQILIEPVFAQWIQSAHGKNIYELNILLSSDSSNAFSASQAIWLPGWLNGINDKSTSLFLQIGPGDFLVHHAIALGLHTTTLILVKGALDARGSRLMPDKKDFGYSFPCDGPGRGGTCDISAWDAFYLAVFWMLNTIGWTTFYWHWKHITLWQGNVGQFNESSTYLMGWLRDYLWLNSSQLINGYNPFGMNSLAVWGWMFLFGHLVWATGFMFLISWRGYWQELIETLVWAHERTPITNVFKWTDKPVALSIVQARLVGLAHFSVGYVFTYAAFLIASTSAKFG

Entity 3 Entity 3 polymer

Description description	Photosystem I iron-sulfur center
Molecular weight formula_weight	8784.1 kDa
EC 编号 ec_number	1.97.1.12
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	C

MSHSVKIYNTCIGCTQCVRACPTDVLEMVPWDGCKAGQIASSPRTEDCVGCKRCESACPTDFLSVRVYLGSETSRSMGLAY

Entity 4 Entity 4 polymer

Description description	Photosystem I reaction center subunit II
Molecular weight formula_weight	76196.2 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	D

LAAGALFGLALSPSVASNYAAPSAVRASTTISAVRPVVFTGSYVRGVQTGRTTVVEATPNQEVETLASANNLWVTAAAAGLAFSAASLVLALLRKPRSEETYSMLAEAAEVGKAPWTAPKLEDALKNEKARQKAEALSTQLPVFWDLRDALGEVPKSKFPEVFARYKGSTGTLLSAAKTEEYYAITWTSPKTQIYELPTGGAAEMDEGLNIMYFARKEQCLALGAQLRTKFKPRIESFAIYRVFPNGETQYLHPKDGVFPEKVNQGRTKANHNPRSIGENKEPASVKFTGTTPKDVQTEGAVAMFAETGEKAAKPAWTVPDLADALKNTSAVAKAKGIATQLPTFWELRDALSEVPKSKFPEVFASYKGSTGTLLSAAEKEEKYVITWTSPKKQIFELPTGGAAEMEEGENIFFFARKEQCLALGAQLRTAFKPRIENFQIFRVFPNGEVQYLHPKDGVFPEKVNQGRTKANHNPRSIGENAEPASVKFTGTTPKDVQTEGAVAMFAETGEKAAKPAWTVPNLSDALKNTAAVAKAKEIATQLPTFWELRDALSEVPKSKFPEVFASYKGSTGTLLAAAEKEEKYVITWTSPKKQIFELPTGGAAEMEEGENIFYFARKEQCLALGAQLRTAFKPRIENFQIFRVFPNGEVQYLHPKDGVFPEKVNAGRQQANHNARSIGENVEPASVKFSGSTPKDL

Entity 5 Entity 5 polymer

Description description	Photosystem I reaction center subunit IV
Molecular weight formula_weight	17927.3 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	E

ECLFFFGQITMAFNNAMADPWFKFTAVSSATLMAIGCALMAIAELTAPQQQALYAAPAVQTRMITRLADDAAARVADRTQFIEEYKERRAEAPATPKAKAGPARGSTVKVTRPESYWYNQYGKVISVDESGAIRYPVVVRFEKENYQGVTTNNFALDELEY

Entity 6 Entity 6 polymer

Description description	Photosystem I reaction center subunit III
Molecular weight formula_weight	35240.2 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	F

QNLESKQLSIFFRAEHKMYRCNYQNLESKQWSMTAVLGVTALLSVSVGATAGFIASQPSTTSLYAPASTTTSISSVAAIPVSQAAARAPVQAVPVSEAQSVEQSIYTEAPQASFNWAPVAALIALPTAIAAFLLRRSENEVKLATAGVAASAVLASGAMTAMPANATEAILGLTPCAESAKFQKVLTKEVKALEKREKLYEPGSAPFQALEATKAKTQARFAKYAESGLLCGADGLPHLISDPGLAVKYGHAGETLIPTIGFLYVAGYIGTAGRTYLQEISTRQKPTQSEIIIDVPLATSIAFKSWDWPNKAVKELASGTLLEDAKNVPVSRR

Entity 7 Entity 7 polymer

Description description	Photosystem I reaction center subunit IX
Molecular weight formula_weight	4298.1 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	J

MKYFTTYLSTAPVVAVLWFTLTASLLIEINRFFPDIL

Entity 8 Entity 8 polymer

Description description	Photosystem I reaction center subunit XII
Molecular weight formula_weight	3445.1 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	M

MEITTNQVYIALLASLIPAFFAFKLGKSLNQ

Entity 9 Entity 9 polymer

Description description	LHCI-1
Molecular weight formula_weight	52475.8 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	1

LVGFVAAQTTSLHAPVVVRPVVQASTLAVPAARAGRANVLLRAGTESQIVPKNGFATKVNVAFVPLACGVGALAALVATLVHKKEQPLAMLATSGEKRPTWFPGAEAPAWLTGEFPGDRGFDPCGLARDPVDFAKFRDSEVFHGRWAMLGLVGCLVPEVFGNLGIAQLPAWYDAATVANTSNLDYLGNPNLVHASNVSFIALSTLLLMGPVEAWRWNGALASEAKSAERTTYPGGPFDPLKLGASPELKLKEIKNGRLAMVGMFGFWAQSYVTGEGPLANLAAHLADPAHNNLLNTVAMFAASGEKRPTWFPGAEAPAWLTGEYPGDRGFDPFGLAKDPEDFAKNRDSEVYHGRWAMLGLVGCLVPEVFGNLGIAQLPAWYEAGAVANTGSLDYLGNPNLVHASNVPLIFFTTLLLFLPIEAWRWNGQIAPDAKSKEWTTYPGGPFDPLKLGASPELKLKEIKNGRLAMVGMFGFWAQSYVTGEGPLANLAA

Entity 10 Entity 10 polymer

Description description	LHCI-2
Molecular weight formula_weight	65361.5 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	2

IFFRHSLLSSTHFKMPNNADAMKFGLAAGAAMGVIVYVLAGTASSTSLAATHVNIQQAPAVIPRMASVPSAYTIATNPIGASARVVDANYESTDYLTLPATEKSTMGSLLMIAAAGVAAAVAFVWKSVPRQQDSVINVPLLPVSVATMATSGKKSKAPAADNLSQWYGPDRAKWLGPLTGQVPAYLTGELPGDYGWDTAGLGADPVTLARYREAEVIHARWAMLGALGVVTPELLAGNGVPFGEGAVWYKAGAQIFSADGLNYLGNPSLIHAQSVVLTFLSTLAIMGAVEAYRYGGGVGDFGRELDTLYPGGPFDPLGLANDPDALAELKVKELKNGRLAMVAMLGFYVQPLVTKAGPVENLTFHLADPSSNNIFSFTSGFAMFAATGSKWYGPNRPKWLGPLSGGAVPEYLKGEYAGDYGFDTAGLAADPKLFQRYRDAELQNGRWAMLGVLGCLAPEVLSNVFGVPYPEPVWFKTGATILNGGSIDYLANPKLIHASNLLLTLVLELVFFFAAETWREAGEGPLGKAQDKSYPGGVFDPLGLSKDPAAFAEAKVKEVKNGRLAMLAMLGLFVQAGVTGQSPLENLSAHLANPGVNFWTSYAPTLAMFAASGRKSAAPK

Entity 11 Entity 11 polymer

Description description	LHCI-3
Molecular weight formula_weight	46443.4 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	3

VYFFSKKMASSVPLKQLSIVLLSGAAIACIFISDASTSLSTVSPVVQSRTLQRIDNQLKASRIQTYPGTTLQLRTASSTTLNEVFGKEGKFQLSLLAPLLSTLGAAVAIFMWNKKTQEETAMFAATGEKLSDWYGPNRKLFLGPLSDGAPEHLKGELPGDYGFDVLGLATQPTRLERYRQGEIINGRWAMLGIVGCIVPELLARNYGVPFPEPVWFKTGATVFSEEGLNYLGNPSLIHAKSIAAILVTEILFVGAAEAFRVSGGPLGPATDLVYPGKAFDPLGLSKDETAFAELKVKEVKNGRLAMLGMLGLFMQGFATGKGPLQNLADHLADPTGANIITFHQRVLSDLGGVAMFAATGEKLSDWYGPNRKLFLGPLSDGAPEHLKGELPGDYGFDVLGLATQPTRLERYRQGEIINGRWAMLGIVGCIV

Entity 12 Entity 12 polymer

Description description	LHCI-4
Molecular weight formula_weight	44705.5 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	4

IPELLGRGVWFQAGESVDAAQLGLYFMFLAAPSEYWRGNGGFGWDQKEKKAGNRIYPGFDPLKMTSDETKTKEIKNGRLAMIAFLGLVSQANTTGVSPFQNLAAVFGASPVAMFTTTGEKRPLWFPGAKPPAYLTGEFPADRGFDPLGLAKDPATYERMRSSEVFHSRLAMLGVVGSLIPELQGQGAWYTLSEKQFGPGPNGEVIGFTELALIGMLFSYPLEYWRGNGGFGWFEEKGDRTYPGFDPLQLTSEYTKTAEIKNGRLAMSALLGFAVQHATTGASPLENWAATTGGSVAMFAAAGERATWFPGAKAPPHLTGEFPGDRGFDPVDFAANPESFERMRASEVFHGRMAMLGVAGCLIPELLGRGVWFQAGESVDAAQLGLYFMFLAAPSEYWRGNGGFGWDQKEKK

Entity 13 Entity 13 polymer

Description description	Chloroplast light-harvesting complex I protein
Molecular weight formula_weight	27130.7 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	5

WRGNGGFGWFEEKGDRTYPGFDPLQLTSEYTKTAEIKNGRLAMSALLGFAVQHATTGASPLENWAATTGGSVAMFAAAGERATWFPGAKAPPHLTGEFPGDRGFDPVDFAANPESFERMRASEVFHGRMAMLGVAGCLIPELLGRGVWFQAGESVDAAQLGLYFMFLAAPSEYWRGNGGFGWDQKEKKAGNRIYPGFDPLKMTSDETKTKEIKNGRLAMIAFLGLVSQANTTGVSPFQNLAAVFGASPVAML

Entity 14 Entity 14 polymer

Description description	LHCI-6
Molecular weight formula_weight	95661.0 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	6

YFFSDKKMYGTVSASSSNKATSTVAVCACAAVFAVAGFVAVQPRSLYAPAAVRPVVQATMTTVPVAHSVQSNTVAAQIQSRPLNVESNVFAQVGSTFAPIALGVGALAAFVAALIHKGQQPVAMAASSGERLLWIPNATPPAHLTGEFPGDRGFDPLGLSKDPKVFARMRISEVFHGRLAMLGIVGCVGQEWLFNKGAWFDYSDFDLPRLGLIALQVIAPLEYWRGNGGFSWNGNDGPDRSYPGFDPLGLTTEDTKLREIKNGRLAMSAMLGLEVQSHITGKSPLTNLGDHLSSPFTANILTGGGSVAMFSTSGKVDRPLWFPGGYAPSYLTGQYFGDRGFDPAGLAADPKVFERMRVSEVYHGRLAMLAIVGAVVPDILGKGAWYEAAQNAGIGVNEVAVFTAAYGVVEVARGLKANSDPTKNYPGFDPLKLTTDYTKEAEIKNGRLALTGMLGLEVQRHVTGVSPLVNLVEHVKHPLNHNIAESVMHQWPVAMFAATGHKDGVWFPGAQPPAHLTGEYPADRGFDPLSLAADPTVYARMRVSEVFHARLSMLAIVGSIVPELLGKGAWFEVGNSVDGIKLGFILMAIAAPTEYWRGNGGFNWDKGTADRSYPGFDPLKLTTDYTKAAEIKNGRLAMTGLLGLTFQYLATGESPLANLAAHLANPVGANITTTLAMYSTSGEKYRGLWFPNITPPAYLTGEFPADRGFDPAGLAADPKVYERMRVAEVFNGRLAMLAIVGCVYPELLGNGVWFEVWNKVDFYRFALISLQVVAPLEYWRGNGGFGWDGEEKYDRSYPGFDPCNLTTEYTKAAEIKNGRLAMIGMFGLEVQNHVTAQGPVANLIEHLRHPLAANIGASLAHPWPPVAMFATTGHKDGVWFPGAQPPAHL

Entity 15 Entity 15 polymer

Description description	LHCI-7
Molecular weight formula_weight	66506.6 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	7

EIKNGRLAMTAMLGLEVQSHITGKSPLTNLSEHLSHPLSANLLTGGGSLAMFSTAGQKTDRRPLWFPGGYAPSWLTGQHFGDRGFDPAGLAADPKVFERMRVSEVYHGRLAMLAIVGAVVPDIQGKGAWYEAAQSAGIGVNEVAVFTAAYGIAEVARGLKANSDPTSRYPGFDPLNLTTDYTKEAEIKNGRLALTAMLGLEVQRHVTGVSPLVNLVEHVKHPLGHNIAESVMHQWPVAMFAATGHKDGVWFPGATPPAHLTGEYPADRGFDPLSLAADPTVYARMRVSEVFHARLSMLAIVGAIVPEVLGKGAWFEAGNSVDGIKLGFIAMAIAAPTEYWRGNGGFNWDKGAADRSYPGFDPLKLTTDYTKAAEIKNGRLAMAGLLGLTFQYLATGESPLANLAAHLANPVGANITTTLAMYSTSGEKYRGLWFPNITPPAYLTGEFPADRGFDPAGLAADPKVYERMRIAEVFNGRLAMLAIVGCVYPELLGNGVWFEVWNKVDFYRFALISLQVVAPLEYWRGNGGFGWDGEEKYDRSYPGFDPCNLTTEYTKAAEIKNGRLAMIGMFGLEVQSHVTAQGPVANLIEHLRHPLAANIGANLAHPWPPVAMFATT

Entity 16 Entity 16 polymer

Description description	LHCI-8
Molecular weight formula_weight	89149.5 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	8

FFSIEKKMYGAAHNSSSNKNATSIVAFFGCAAVFAVAGFVAAQPGALYAPASVRPAVASMTAAPAMMIQRPSSAVAATNVQAQNVQGSGYHQVGATFAPIVLGVGAITAFVAALLHRGQKPVAMAATTGERLLWVPNATPPAHLTGEFPGDRGFDPLGLAKDPKVYQRMRISEVFHGRLAMLGIVGCVAPELFFSKGAWFDYSDYDLNRLGLIALQVIAPLEYWRGNGGFSWDGNDGPDRSYPGFDPLGLTNEETKLQEIKNGRLAMTAMLGLEVQSHITGKSPLTNLSEHLSHPLSANLLTGGGSLAMFSTAGQKTDRRPLWFPGGYAPSWLTGQHFGDRGFDPAGLAADPKVFERMRVSEVYHGRLAMLAIVGAVVPDIQGKGAWYEAAQSAGIGVNEVAVFTAAYGIAEVARGLKANSDPTSRYPGFDPLNLTTDYTKEAEIKNGRLALTAMLGLEVQRHVTGVSPLVNLVEHVKHPLGHNIAESVMHQWPVAMFAATGHKDGVWFPGATPPAHLTGEYPADRGFDPLSLAADPTVYARMRVSEVFHARLSMLAIVGSIVPELLGKGAWFEVGNSVDGIKLGFILMAIAAPTEYWRGNGGFNWDKGTADRSYPGFDPLKLTTDYTKAAEIKNGRLAMTGLLGLTFQYLATGESPLANLAAHLANPVGANITTTLAMYSTSGEKYRGLWFPNITPPAYLTGEFPADRGFDPAGLAADPKVYERMRVAEVFNGRLAMLAIVGCVYPELLGNGVWFEVWNKVDFYRFALISLQVVAPLEYWRGNGGFGWDGEEKYDRSYPGFDPCNLTTEYTKAAEIKNGRLAMIGMF

Entity 17 Entity 17 polymer

Description description	LHCI-9
Molecular weight formula_weight	94434.3 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	9

GFVAAQPGALYAPASVRPAVASMTAAPAMMIQRPSSAVAATNVQAQNVQGSGYHQVGATFAPIVLGVGAITAFVAALLHRGQKPVAMAATTGERLLWIPNATPPAHLTGEFPGDRGFDPLGLAKDPKVYQRMRISEVFHGRLAMLGIVGCVAPELFFSKGAWFDYSDYDLNRLGLIALQVIAPLEYWRGNGGFSWDGNDGPDRSYPGFDPLGLTNEETKLQEIKNGRLAMTAMLGLEVQSHITGKSPLTNLSEHLSHPLSANLLTGGGSLAMFSTAGQKTDRRPLWFPGGYAPSWLTGQHFGDRGFDPAGLAADPKVFERMRVSEVYHGRLAMLAIVGAVVPDIQGKGAWYEAAQSAGIGVNEVAVFTAAYGIAEVARGLKANSDPTSRYPGFDPLNLTTDYTKEAEIKNGRLALTAMLGLEVQRHVTGVSPLVNLVEHVKHPLGHNIAESVMHQWPVAMFAATGHKDGVWFPGATPPAHLTGEYPADRGFDPLSLAADPTVYARMRVSEVFHARLCMLAIVGAIVPEVLGKGAWFEAGNSVDGIKLGFIAMAIAAPTEYWRGNGGFNWDKGAADRSYPGFDPLKLTTDYTKAAEIKNGRLAMAGLLGLTFQYLATGESPLANLAAHLANPVGTNITTTLAMYSTSGEKYRGLWFPNITPPAYLTGEFPADRGFDPAGLAADPKVYERMRIAEVFNGRLAMLAIVGCVYPELLGNGVWFEVWNKVDFYRFALISLQVVAPLEYWRGNGGFGWDGEEKYDRSYPGFDPCNLTTEYTKAAEIKNGRLAMIGMFGLEVQSHVTAQGPVANLIEHLRPCSWSVRLESYTPVCWHAPGFFQNFQRMGQRAPFQWGVTEPPSFIHTSATVNEGWWGSES

Entity 18 Entity 18 polymer

Description description	LHCI-10
Molecular weight formula_weight	69436.8 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	10

MSAMLGLEVQSHITGKSPLTNLGDHLSSPFTANILTGGGSVAMFSTSGKVDRPLWFPGGYAPSYLTGQYFGDRGFDPAGLAADPKVFERMRVSEVYHGRLAMLAIVGAVVPDILGKGAWYEAAQNAGIGVNEVAVFTAAYGVVEVARGLKANSDPTKNYPGFDPLKLTTDYTKEAEIKNGRLALTGMLGLEVQRHVTGVSPLVNLVEHVKHPLNHNIAESVMHQWPVAMFAATGHKDGVWFPGAQPPAHLTGEYPADRGFDPLSLAADPTVYARMRVSEVFHARLSMLAIVGSIVPELLGKGAWFEVGNSVDGIKLGFILMAIAAPTEYWRGNGGFNWDKGTADRSYPGFDPLKLTTDYTKAAEIKNGRLAMTGLLGLTFQYLATGESPLANLAAHLANPVGANITTTLAMYSTSGEKYRGLWFPNITPPAYLTGEFPADRGFDPAGLAADPKVYERMRVAEVFNGRLAMLAIVGCVYPELLGNGVWFEVWNKVDFYRFALISLQVVAPLEYWRGNGGFGWDGEEKYDRSYPGFDPCNLTTEYTKAAEIKNGRLAMIGMFGLEVQNHVTAQGPVANLIEHLRHPLAANIGANLAHPWPPVAMFATTGHKDGVWFPGAQPPAHLTGEYPADRGFDPLSLAADPT

Entity 19 Entity 19 polymer

Description description	LHCI-11
Molecular weight formula_weight	112373.1 kDa
Source method src_method	nat
Copy count entity_count	3

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	11,12,13

FFSDKKMYGTVSASSSNKATSTVAVCACAAVFAVAGFVAVQPRSLYAPAAVRPVVQATMTTVPVAHSVQSNTVAAQIQSRPLNVESNVFAQVGSTFAPIALGVGALAAFVAALIHKGQQPVAMAASSGERLLWIPNATPPAHLTGEFPGDRGFDPLGLSKDPKVFARMRISEVFHGRLAMLGIVGCVGQEWLFNKGAWFDYSDFDLPRLGLIALQVIAPLEYWRGNGGFSWNGNDGPDRSYPGFDPLGLTTEDTKLREIKNGRLAMSAMLGLEVQSHITGKSPLTNLGDHLSSPFTANILTGGGSVAMFSTSGKVDRPLWFPGGYAPSYLTGQYFGDRGFDPAGLAADPKVFERMRVSEVYHGRLAMLAIVGAVVPDILGKGAWYEAAQNAGIGVNEVAVFTAAYGVVEVARGLKANSDPTKNYPGFDPLKLTTDYTKEAEIKNGRLALTGMLGLEVQRHVTGVSPLVNLVEHVKHPLNHNIAESVMHQWPVAMFAATGHKDGVWFPGAQPPAHLTGEYPADRGFDPLSLAADPTVYARMRVSEVFHARLSMLAIVGSIVPELLGKGAWFEVGNSVDGIKLGFILMAIAAPTEYWRGNGGFNWDKGTADRSYPGFDPLKLTTDYTKAAEIKNGRLAMTGLLGLTFQYLATGESPLANLAAHLANPVGANITTTLAMYSTSGEKYRGLWFPNITPPAYLTGEFPADRGFDPAGLAADPKVYERMRIAEVFNGRLAMLAIVGCVYPELLGNGVWFEVWNKVDFYRFALISLQVVAPLEYWRGNGGFGWDGEEKYDRSYPGFDPCNLTTEYTKAAEIKNGRLAMIGMFGLEVQSHVTAQGPVANLIEHLRHPLAANIGANLAHPWPPVAMFATTGHKDGVWFPGATPPAHLTGEYPADRGFDPLSLAADPTVYARMRVSEVFHARLSMLAIVGAIVPEVLGKGAWFEAGNSVDGIKLGFIAMAIAAPTEYWRGNGGFNWDKGAADRSYPGFDPLKLTTDYTKAAEIKNGRLAMAGLLGLTFQYLATGESPLANLAAHLANPVGANITTTLA

Entity 20 Entity 20 non-polymer

Description description	CHLOROPHYLL A ISOMER
Molecular weight formula_weight	893.5 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 21 Entity 21 non-polymer

Description description	CHLOROPHYLL A
Molecular weight formula_weight	893.5 kDa
Source method src_method	syn
Copy count entity_count	236

Entity 22 Entity 22 non-polymer

Description description	PHYLLOQUINONE
Molecular weight formula_weight	450.7 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 23 Entity 23 non-polymer

Description description	IRON/SULFUR CLUSTER
Molecular weight formula_weight	351.6 kDa
Source method src_method	syn
Copy count entity_count	3

Entity 24 Entity 24 non-polymer

Description description	BETA-CAROTENE
Molecular weight formula_weight	536.9 kDa
Source method src_method	syn
Copy count entity_count	17

Entity 25 Entity 25 non-polymer

Description description	1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE
Molecular weight formula_weight	723.0 kDa
Source method src_method	syn
Copy count entity_count	14

Entity 26 Entity 26 non-polymer

Description description	UNKNOWN LIGAND
Source method src_method	syn
Copy count entity_count	42

Entity 27 Entity 27 non-polymer

Description description	DIGALACTOSYL DIACYL GLYCEROL (DGDG)
Molecular weight formula_weight	949.3 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 28 Entity 28 non-polymer

Description description	(3S,3'R,5R,6S,7cis)-7',8'-didehydro-5,6-dihydro-5,6-epoxy-beta,beta-carotene-3,3'-diol
Molecular weight formula_weight	582.9 kDa
Source method src_method	syn
Copy count entity_count	26

Entity 29 Entity 29 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	44

▶

Unit-cell length a length_a	1.000 Å
Unit-cell length b length_b	1.000 Å
Unit-cell length c length_c	1.000 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	—

Space group space_group	P 1
Space-group number int_tables_number	1
Crystal system crystal_system	—

Resolution resolution	2.83 Å
Resolution测定Method resolution_method	—
颗粒数 num_particles	56060

PSI-LHCI of Euglena gracilis strain Z

1. Protein Identity and Related Structures Protein Identity & Related Structures

Photosystem I P700 chlorophyll a apoprotein A2

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Photosystem I iron-sulfur center

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Photosystem I reaction center subunit IX

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Photosystem I reaction center subunit XII

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Chloroplast light-harvesting complex I protein

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

2. Structure Basics 2. Structure Basics

3. Official assembly/model SAXS Official SAXS Profiles

9vfj__assembly_1__model_1

9vfj__assembly_1__model_1 | I(q)

9vfj__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

冷冻电镜 EM 3D

5. Entities and Polymers Entities & Polymers (29)

Entity 1 Entity 1 polymer

Polymer Polymer

Entity 2 Entity 2 polymer

Polymer Polymer

Entity 3 Entity 3 polymer

Polymer Polymer

Entity 4 Entity 4 polymer

Polymer Polymer

Entity 5 Entity 5 polymer

Polymer Polymer

Entity 6 Entity 6 polymer

Polymer Polymer

Entity 7 Entity 7 polymer

Polymer Polymer

Entity 8 Entity 8 polymer

Polymer Polymer

Entity 9 Entity 9 polymer

Polymer Polymer

Entity 10 Entity 10 polymer

Polymer Polymer

Entity 11 Entity 11 polymer

Polymer Polymer

Entity 12 Entity 12 polymer

Polymer Polymer

Entity 13 Entity 13 polymer

Polymer Polymer

Entity 14 Entity 14 polymer

Polymer Polymer