SAXSdb — 1np7

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

DNA photolyase

Synechocystis sp.

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein monomer	Monomer	Protein 1	SULFATE ION × 2 FLAVIN-ADENINE DINUCLEOTIDE × 1 water × 1	Consistent with protein count
2	Protein monomer	Monomer	Protein 1	SULFATE ION × 1 FLAVIN-ADENINE DINUCLEOTIDE × 1 water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	P77967_SYNY3
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 38–489； UniProt 2–453 Author chain B； PDBConstruct 38–489； UniProt 2–453

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.

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2. Structure Basics 2. Structure Basics

Entry ID entry_id	1np7
Deposition date deposition_date	2003-01-17
Structure title title	Crystal Structure Analysis of Synechocystis sp. PCC6803 cryptochrome
Keywords keywords	protein with FAD cofactor, LYASE; LYASE
Experimental Method method	X-RAY DIFFRACTION

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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.

1np7__assembly_1__model_1

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

Download this curve (.dat)

1np7__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1np7__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	24.39 Å
Rg (electron density)	23.74 Å
Total Rg	24.75 Å
Atom count	4062
Residues	483
Excluded volume	71760 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1np7__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`1np7__assembly_2__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download

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4. Crystallography and Experiment 4. Crystallography & Experiment

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5. Entities and Polymers Entities & Polymers (4)

Entity 1 Entity 1 polymer

Description description	DNA photolyase
Molecular weight formula_weight	57111.8 kDa
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B
Atom count atom_count	8467

MKHVPPTVLVWFRNDLRLHDHEPLHRALKSGLAITAVYCYDPRQFAQTHQGFAKTGPWRSNFLQQSVQNLAESLQKVGNKLLVTTGLPEQVIPQIAKQINAKTIYYHREVTQEELDVERNLVKQLTILGIEAKGYWGSTLCHPEDLPFSIQDLPDLFTKFRKDIEKKKISIRPCFFAPSQLLPSPNIKLELTAPPPEFFPQINFDHRSVLAFQGGETAGLARLQDYFWHGDRLKDYKETRNGMVGADYSSKFSPWLALGCLSPRFIYQEVKRYEQERVSNDSTHWLIFELLWRDFFRFVAQKYGNKLFNRGGLLNKNFPWQEDQVRFELWRSGQTGYPLVDANMRELNLTGFMSNRGRQNVASFLCKNLGIDWRWGAEWFESCLIDYDVCSNWGNWNYTAGIGNDARDFRYFNIPKQSQQYDPQGTYLRHWLPELKNLPGDKIHQPWLLSATEQKQWGVQLGVDYPRPCVNFHQSVEARRKIEQMGVIA

Source Source

Source organism organism	Synechocystis sp.
NCBI taxonomy ID ncbi_taxonomy_id	1148
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 non-polymer

Description description	SULFATE ION
Molecular weight formula_weight	96.1 kDa
Source method src_method	syn
Copy count entity_count	3

Entity 3 Entity 3 non-polymer

Description description	FLAVIN-ADENINE DINUCLEOTIDE
Molecular weight formula_weight	785.5 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 4 Entity 4 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	348

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6. Fold Classification (SCOP + CATH) 10 domains

SCOP 2.08 (4 domains)

Domain ID domain_id	d1np7a1
Class class	a — All alpha proteins
Fold Fold fold	a.99 — Cryptochrome/photolyase FAD-binding domain
Superfamily Superfamily superfamily	a.99.1 — Cryptochrome/photolyase FAD-binding domain
Family Family family	a.99.1.1 — Cryptochrome/photolyase FAD-binding domain

Domain ID domain_id	d1np7a2
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.28 — Cryptochrome/photolyase, N-terminal domain
Superfamily Superfamily superfamily	c.28.1 — Cryptochrome/photolyase, N-terminal domain
Family Family family	c.28.1.1 — Cryptochrome/photolyase, N-terminal domain

Domain ID domain_id	d1np7b1
Class class	a — All alpha proteins
Fold Fold fold	a.99 — Cryptochrome/photolyase FAD-binding domain
Superfamily Superfamily superfamily	a.99.1 — Cryptochrome/photolyase FAD-binding domain
Family Family family	a.99.1.1 — Cryptochrome/photolyase FAD-binding domain

Domain ID domain_id	d1np7b2
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.28 — Cryptochrome/photolyase, N-terminal domain
Superfamily Superfamily superfamily	c.28.1 — Cryptochrome/photolyase, N-terminal domain
Family Family family	c.28.1.1 — Cryptochrome/photolyase, N-terminal domain

CATH v4.4 (6 domains)

Domain ID domain_id	1np7A01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	620 — HUPs

Domain ID domain_id	1np7A02
Class class	1 — Mainly Alpha
Architecture architecture	25 — Alpha Horseshoe
Topology topology	40 — Serine Threonine Protein Phosphatase 5, Tetratricopeptide repeat
Homologous superfamily homologous superfamily	80 —

Domain ID domain_id	1np7A03
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	579 — DNA Cyclobutane Dipyrimidine Photolyase, subunit A; domain 3
Homologous superfamily homologous superfamily	10 — DNA Cyclobutane Dipyrimidine Photolyase, subunit A, domain 3

Domain ID domain_id	1np7B01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	620 — HUPs

Domain ID domain_id	1np7B02
Class class	1 — Mainly Alpha
Architecture architecture	25 — Alpha Horseshoe
Topology topology	40 — Serine Threonine Protein Phosphatase 5, Tetratricopeptide repeat
Homologous superfamily homologous superfamily	80 —

Domain ID domain_id	1np7B03
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	579 — DNA Cyclobutane Dipyrimidine Photolyase, subunit A; domain 3
Homologous superfamily homologous superfamily	10 — DNA Cyclobutane Dipyrimidine Photolyase, subunit A, domain 3

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Unit-cell length a length_a	126.284 Å
Unit-cell length b length_b	89.477 Å
Unit-cell length c length_c	121.687 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	120.46 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	8

Space group space_group	C 1 2 1
Space-group number int_tables_number	5
Crystal system crystal_system	—

Resolution resolution	1.900 Å
Low-resolution limit resolution_low	30.000 Å
R factor r_factor	0.2090
R_work r_work	0.2080
R_free r_free	0.2330

Crystal Structure Analysis of Synechocystis sp. PCC6803 cryptochrome

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

DNA photolyase

State in the Current Structure

Other States of the Same Protein in the Database

2. Structure Basics 2. Structure Basics

3. Official assembly/model SAXS Official SAXS Profiles

1np7__assembly_1__model_1

1np7__assembly_1__model_1 | I(q)

1np7__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

Diffraction experiment Diffraction

5. Entities and Polymers Entities & Polymers (4)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 water

6. Fold Classification (SCOP + CATH) 10 domains

SCOP 2.08 (4 domains)

CATH v4.4 (6 domains)

7. Citations (1)

Crystal Structure Analysis of Synechocystis sp. PCC6803 cryptochrome

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

DNA photolyase

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

1np7__assembly_1__model_1

1np7__assembly_1__model_1 | I(q)

1np7__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

Diffraction experiment Diffraction

5. Entities and Polymers Entities & Polymers (4)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 water

6. Fold Classification (SCOP + CATH) 10 domains

SCOP 2.08 (4 domains)

CATH v4.4 (6 domains)

7. Citations (1)