Your Science. Your Community. Your ACA.
The ACA brings together researchers, educators, and professionals from across the structural sciences—from small-molecule crystallography and structural biology to materials science, powder diffraction, cryo-EM, computation, and data science.
What makes ACA unique is its interdisciplinary community. Rather than focusing on a single technique or discipline, ACA connects scientists across specialties, creating opportunities to exchange ideas, build collaborations, and advance structural science together.
Whether you're a student, early-career scientist, or established professional, ACA offers a place to connect, contribute, and grow.
Great science doesn't happen in isolation.
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Find Your Place in the Structure.
Connect with the people, ideas, and opportunities that move structural science forward.
Your place is waiting.
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The Benefits of Belonging: It's All in the Structure.
Every atom plays a role in a crystal's structure. Every connection contributes to something greater.
The same is true of the ACA. Our strength comes from the scientists, ideas, and connections that make up our community.
From professional development and scientific collaboration to publications, recognition, leadership, and meeting discounts, ACA membership gives you the tools and opportunities to build something meaningful.
Explore Your Member Benefits:
 A Broader Scientific Network
Connect with researchers, educators, and professionals across academia, industry, and national laboratories. Build meaningful relationships, discover new perspectives, and explore opportunities for collaboration beyond your own specialty.
 Scientific Exchange & Collaboration
Expand your knowledge through interdisciplinary scientific meetings, workshops, and professional activities. Explore emerging techniques, share research, and engage with colleagues working across the structural sciences.
 Annual Meeting Benefits
Enjoy discounted member registration rates and receive advance information about ACA Annual Meetings, workshops, and other eligible activities. Connect with colleagues, present research, and discover developments across structural science.
 Special Interest Groups (SIGs)
Connect with colleagues who share your scientific interests through ACA's Special Interest Groups. Participate in focused discussions, contribute to scientific programming, explore leadership opportunities, and help shape your specialty within our broader interdisciplinary community.
 Professional Recognition
Celebrate scientific excellence, leadership, and service through our awards and honors programs. Members may be eligible for recognition at various career stages, including early-career awards and the prestigious ACA Fellows Program.
 Access to Outreach & Engagement Activities
Help inspire the next generation of scientists through our community outreach and educational initiatives. Share your expertise, engage with students and educators, and contribute to efforts that increase awareness and understanding of structural science.
 Member Publications
Stay connected through RefleXions, our member newsletter, featuring scientific highlights, community news, and professional opportunities. Members also receive a complimentary subscription to Physics Today, offering perspectives and developments from across the physical sciences.
 Privacy & Security
Connect with fellow members through our secure, members-only online directory, designed to support professional networking and collaboration while respecting member privacy. Directory access is restricted to eligible members, and members can manage their profile information and available privacy settings to control what information is visible to others.
 Connections Beyond ACA
Expand your professional reach through our relationships with peer scientific societies, industry partners, and the broader scientific community. These connections create additional opportunities for collaboration, knowledge sharing, professional engagement, and interdisciplinary exchange.
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