Structure of PDB 7y3f Chain 4

Receptor sequence

>7y3f4 (length=329) Species: 1180 (Nostoc sp.) [Search protein sequence]

YDWWAGNARFANLSGLFIGAHVAQAALTTLWAGAFTWFEISRYKPEIPMG
EQGLILLPHLATLGFGVGVSGQVVNTYPYFVIGALHLISSAVLGAGALFH
TFKGPRNLKNTTGSARKFHFEWNDPKQLGLILGHHLLFLGMAALLLVGKA
MFWGGLYDATTQVVRVVNHPTLNPFVIYGYQTHFASVNNLEDLVGGHIYV
GLILIGGGIWHIVKEPLPWAKKLLIFSGEAILSYSLGGIALAGFVAAYFC
AVNTLAYPVEFYGAPLELKFGVTPYFADTVKLADGGYSARAWLANAHFFL
AFFFLQGHLWHALRAIGVDFRQIEKSLNA

3D structure

PDB

7y3f Structure of a monomeric photosystem I core associated with iron-stress-induced-A proteins from Anabaena sp. PCC 7120

Chain

Resolution

2.62 Å

3D
structure

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Enzymatic activity

Enzyme Commision number

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)
BS01	CLA	4	A152 A153 L156 L203 H207 V210 F259 A266 Y267	A142 A143 L146 L193 H197 V200 F249 A256 Y257
BS02	CLA	4	T39 A42 L66 L70 I92 H96	T29 A32 L56 L60 I82 H86
BS03	CLA	4	W41 F45 F48 G63 I65 W302	W31 F35 F38 G53 I55 W292
BS04	CLA	4	W14 A15 N17 L242 L246 F313 F314 G317 W320 H321 R324	W4 A5 N7 L232 L236 F303 F304 G307 W310 H311 R314
BS05	CLA	4	N17 F20 F27 H31 Q34 I241 L242 S245 I249	N7 F10 F17 H21 Q24 I231 L232 S235 I239
BS06	CLA	4	Q34 L37 F314	Q24 L27 F304
BS07	CLA	4	W13 N17 R19 L26 A30	W3 N7 R9 L16 A20
BS08	CLA	4	F109 H110 F128	F99 H100 F118
BS09	CLA	4	Q316 L319 W320	Q306 L309 W310
BS10	CLA	4	F280 V282 T283 P284 F312	F270 V272 T273 P274 F302
BS11	CLA	4	A101 A105 L108	A91 A95 L98

Gene Ontology

	Molecular Function
GO:0016168	chlorophyll binding

	Biological Process
GO:0009767	photosynthetic electron transport chain
GO:0015979	photosynthesis
GO:0019684	photosynthesis, light reaction

	Cellular Component
GO:0009521	photosystem
GO:0009522	photosystem I
GO:0009579	thylakoid
GO:0016020	membrane
GO:0031676	plasma membrane-derived thylakoid membrane

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Molecular Function

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Biological Process

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Cellular Component

External links

PDB	RCSB:7y3f, PDBe:7y3f, PDBj:7y3f
PDBsum	7y3f
PubMed	36805598
UniProt	Q8YQ35\|ISIA_NOSS1 Iron stress-induced chlorophyll-binding protein (Gene Name=isiA)

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